Rename tests-clar to tests

29 files changed, 4133 insertions, 0 deletions

diff --git a/tests/object/blob/filter.c b/tests/object/blob/filter.c
new file mode 100644
index 000000000..0b2d6bf9e
--- /dev/null
+++ b/tests/object/blob/filter.c
@@ -0,0 +1,143 @@
+#include "clar_libgit2.h"
+#include "posix.h"
+#include "blob.h"
+#include "buf_text.h"
+
+static git_repository *g_repo = NULL;
+
+#define CRLF_NUM_TEST_OBJECTS	9
+
+static const char *g_crlf_raw[CRLF_NUM_TEST_OBJECTS] = {
+	"",
+	"foo\nbar\n",
+	"foo\rbar\r",
+	"foo\r\nbar\r\n",
+	"foo\nbar\rboth\r\nreversed\n\ragain\nproblems\r",
+	"123\n\000\001\002\003\004abc\255\254\253\r\n",
+	"\xEF\xBB\xBFThis is UTF-8\n",
+	"\xEF\xBB\xBF\xE3\x81\xBB\xE3\x81\x92\xE3\x81\xBB\xE3\x81\x92\r\n\xE3\x81\xBB\xE3\x81\x92\xE3\x81\xBB\xE3\x81\x92\r\n",
+	"\xFE\xFF\x00T\x00h\x00i\x00s\x00!"
+};
+
+static git_off_t g_crlf_raw_len[CRLF_NUM_TEST_OBJECTS] = {
+	-1, -1, -1, -1, -1, 17, -1, -1, 12
+};
+
+static git_oid g_crlf_oids[CRLF_NUM_TEST_OBJECTS];
+
+static git_buf g_crlf_filtered[CRLF_NUM_TEST_OBJECTS] = {
+	{ "", 0, 0 },
+	{ "foo\nbar\n", 0, 8 },
+	{ "foo\rbar\r", 0, 8 },
+	{ "foo\nbar\n", 0, 8 },
+	{ "foo\nbar\rboth\nreversed\n\ragain\nproblems\r", 0, 38 },
+	{ "123\n\000\001\002\003\004abc\255\254\253\n", 0, 16 },
+	{ "\xEF\xBB\xBFThis is UTF-8\n", 0, 17 },
+	{ "\xEF\xBB\xBF\xE3\x81\xBB\xE3\x81\x92\xE3\x81\xBB\xE3\x81\x92\n\xE3\x81\xBB\xE3\x81\x92\xE3\x81\xBB\xE3\x81\x92\n", 0, 29 },
+	{ "\xFE\xFF\x00T\x00h\x00i\x00s\x00!", 0, 12 }
+};
+
+static git_buf_text_stats g_crlf_filtered_stats[CRLF_NUM_TEST_OBJECTS] = {
+	{ 0, 0, 0, 0, 0, 0, 0 },
+	{ 0, 0, 0, 2, 0, 6, 0 },
+	{ 0, 0, 2, 0, 0, 6, 0 },
+	{ 0, 0, 2, 2, 2, 6, 0 },
+	{ 0, 0, 4, 4, 1, 31, 0 },
+	{ 0, 1, 1, 2, 1, 9, 5 },
+	{ GIT_BOM_UTF8, 0, 0, 1, 0, 16, 0 },
+	{ GIT_BOM_UTF8, 0, 2, 2, 2, 27, 0 },
+	{ GIT_BOM_UTF16_BE, 5, 0, 0, 0, 7, 5 },
+};
+
+void test_object_blob_filter__initialize(void)
+{
+	int i;
+
+	g_repo = cl_git_sandbox_init("empty_standard_repo");
+
+	for (i = 0; i < CRLF_NUM_TEST_OBJECTS; i++) {
+		if (g_crlf_raw_len[i] < 0)
+			g_crlf_raw_len[i] = strlen(g_crlf_raw[i]);
+
+		cl_git_pass(git_blob_create_frombuffer(
+			&g_crlf_oids[i], g_repo, g_crlf_raw[i], (size_t)g_crlf_raw_len[i]));
+	}
+}
+
+void test_object_blob_filter__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+void test_object_blob_filter__unfiltered(void)
+{
+	int i;
+	git_blob *blob;
+
+	for (i = 0; i < CRLF_NUM_TEST_OBJECTS; i++) {
+		size_t raw_len = (size_t)g_crlf_raw_len[i];
+
+		cl_git_pass(git_blob_lookup(&blob, g_repo, &g_crlf_oids[i]));
+
+		cl_assert_equal_sz(raw_len, (size_t)git_blob_rawsize(blob));
+		cl_assert_equal_i(
+			0, memcmp(g_crlf_raw[i], git_blob_rawcontent(blob), raw_len));
+
+		git_blob_free(blob);
+	}
+}
+
+void test_object_blob_filter__stats(void)
+{
+	int i;
+	git_blob *blob;
+	git_buf buf = GIT_BUF_INIT;
+	git_buf_text_stats stats;
+
+	for (i = 0; i < CRLF_NUM_TEST_OBJECTS; i++) {
+		cl_git_pass(git_blob_lookup(&blob, g_repo, &g_crlf_oids[i]));
+		cl_git_pass(git_blob__getbuf(&buf, blob));
+		git_buf_text_gather_stats(&stats, &buf, false);
+		cl_assert_equal_i(
+			0, memcmp(&g_crlf_filtered_stats[i], &stats, sizeof(stats)));
+		git_blob_free(blob);
+	}
+
+	git_buf_free(&buf);
+}
+
+void test_object_blob_filter__to_odb(void)
+{
+	git_filter_list *fl = NULL;
+	git_config *cfg;
+	int i;
+	git_blob *blob;
+	git_buf out = GIT_BUF_INIT;
+
+	cl_git_pass(git_repository_config(&cfg, g_repo));
+	cl_assert(cfg);
+
+	git_attr_cache_flush(g_repo);
+	cl_git_append2file("empty_standard_repo/.gitattributes", "*.txt text\n");
+
+	cl_git_pass(git_filter_list_load(
+		&fl, g_repo, NULL, "filename.txt", GIT_FILTER_TO_ODB));
+	cl_assert(fl != NULL);
+
+	for (i = 0; i < CRLF_NUM_TEST_OBJECTS; i++) {
+		cl_git_pass(git_blob_lookup(&blob, g_repo, &g_crlf_oids[i]));
+
+		cl_git_pass(git_filter_list_apply_to_blob(&out, fl, blob));
+
+		cl_assert_equal_sz(g_crlf_filtered[i].size, out.size);
+
+		cl_assert_equal_i(
+			0, memcmp(out.ptr, g_crlf_filtered[i].ptr, out.size));
+
+		git_blob_free(blob);
+	}
+
+	git_filter_list_free(fl);
+	git_buf_free(&out);
+	git_config_free(cfg);
+}
diff --git a/tests/object/blob/fromchunks.c b/tests/object/blob/fromchunks.c
new file mode 100644
index 000000000..03ed4efb4
--- /dev/null
+++ b/tests/object/blob/fromchunks.c
@@ -0,0 +1,119 @@
+#include "clar_libgit2.h"
+#include "buffer.h"
+#include "posix.h"
+#include "path.h"
+#include "fileops.h"
+
+static git_repository *repo;
+static char textual_content[] = "libgit2\n\r\n\0";
+
+void test_object_blob_fromchunks__initialize(void)
+{
+	repo = cl_git_sandbox_init("testrepo.git");
+}
+
+void test_object_blob_fromchunks__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+static int text_chunked_source_cb(char *content, size_t max_length, void *payload)
+{
+	int *count;
+
+	GIT_UNUSED(max_length);
+
+	count = (int *)payload;
+	(*count)--;
+
+	if (*count == 0)
+		return 0;
+
+	strcpy(content, textual_content);
+	return (int)strlen(textual_content);
+}
+
+void test_object_blob_fromchunks__can_create_a_blob_from_a_in_memory_chunk_provider(void)
+{
+	git_oid expected_oid, oid;
+	git_object *blob;
+	int howmany = 7;
+
+	cl_git_pass(git_oid_fromstr(&expected_oid, "321cbdf08803c744082332332838df6bd160f8f9"));
+
+	cl_git_fail_with(
+		git_object_lookup(&blob, repo, &expected_oid, GIT_OBJ_ANY),
+		GIT_ENOTFOUND);
+
+	cl_git_pass(git_blob_create_fromchunks(&oid, repo, NULL, text_chunked_source_cb, &howmany));
+
+	cl_git_pass(git_object_lookup(&blob, repo, &expected_oid, GIT_OBJ_ANY));
+	cl_assert(git_oid_cmp(&expected_oid, git_object_id(blob)) == 0);
+
+	git_object_free(blob);
+}
+
+void test_object_blob_fromchunks__doesnot_overwrite_an_already_existing_object(void)
+{
+	git_buf path = GIT_BUF_INIT;
+	git_buf content = GIT_BUF_INIT;
+	git_oid expected_oid, oid;
+	int howmany = 7;
+	
+	cl_git_pass(git_oid_fromstr(&expected_oid, "321cbdf08803c744082332332838df6bd160f8f9"));
+
+	cl_git_pass(git_blob_create_fromchunks(&oid, repo, NULL, text_chunked_source_cb, &howmany));
+
+	/* Let's replace the content of the blob file storage with something else... */
+	cl_git_pass(git_buf_joinpath(&path, git_repository_path(repo), "objects/32/1cbdf08803c744082332332838df6bd160f8f9"));
+	cl_git_pass(p_unlink(git_buf_cstr(&path)));
+	cl_git_mkfile(git_buf_cstr(&path), "boom");
+
+	/* ...request a creation of the same blob... */
+	howmany = 7;
+	cl_git_pass(git_blob_create_fromchunks(&oid, repo, NULL, text_chunked_source_cb, &howmany));
+
+	/* ...and ensure the content of the faked blob file hasn't been altered */
+	cl_git_pass(git_futils_readbuffer(&content, git_buf_cstr(&path)));
+	cl_assert(!git__strcmp("boom", git_buf_cstr(&content)));
+
+	git_buf_free(&path);
+	git_buf_free(&content);
+}
+
+#define GITATTR "* text=auto\n" \
+	"*.txt text\n" \
+	"*.data binary\n"
+
+static void write_attributes(git_repository *repo)
+{
+	git_buf buf = GIT_BUF_INIT;
+
+	cl_git_pass(git_buf_joinpath(&buf, git_repository_path(repo), "info"));
+	cl_git_pass(git_buf_joinpath(&buf, git_buf_cstr(&buf), "attributes"));
+
+	cl_git_pass(git_futils_mkpath2file(git_buf_cstr(&buf), 0777));
+	cl_git_rewritefile(git_buf_cstr(&buf), GITATTR);
+
+	git_buf_free(&buf);
+}
+
+static void assert_named_chunked_blob(const char *expected_sha, const char *fake_name)
+{
+	git_oid expected_oid, oid;
+	int howmany = 7;
+
+	cl_git_pass(git_oid_fromstr(&expected_oid, expected_sha));
+
+	cl_git_pass(git_blob_create_fromchunks(&oid, repo, fake_name, text_chunked_source_cb, &howmany));
+	cl_assert(git_oid_cmp(&expected_oid, &oid) == 0);
+}
+
+void test_object_blob_fromchunks__creating_a_blob_from_chunks_honors_the_attributes_directives(void)
+{
+	write_attributes(repo);
+
+	assert_named_chunked_blob("321cbdf08803c744082332332838df6bd160f8f9", "dummy.data");
+	assert_named_chunked_blob("e9671e138a780833cb689753570fd10a55be84fb", "dummy.txt");
+	assert_named_chunked_blob("e9671e138a780833cb689753570fd10a55be84fb", "dummy.dunno");
+}
diff --git a/tests/object/blob/write.c b/tests/object/blob/write.c
new file mode 100644
index 000000000..203bc67c1
--- /dev/null
+++ b/tests/object/blob/write.c
@@ -0,0 +1,69 @@
+#include "clar_libgit2.h"
+#include "buffer.h"
+#include "posix.h"
+#include "path.h"
+#include "fileops.h"
+
+static git_repository *repo;
+
+#define WORKDIR "empty_standard_repo"
+#define BARE_REPO "testrepo.git"
+#define ELSEWHERE "elsewhere"
+
+typedef int (*blob_creator_fn)(
+	git_oid *,
+	git_repository *,
+	const char *);
+
+void test_object_blob_write__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+static void assert_blob_creation(const char *path_to_file, const char *blob_from_path, blob_creator_fn creator)
+{
+	git_oid oid;
+	cl_git_mkfile(path_to_file, "1..2...3... Can you hear me?\n");
+
+	cl_must_pass(creator(&oid, repo, blob_from_path));
+	cl_assert(git_oid_streq(&oid, "da5e4f20c91c81b44a7e298f3d3fb3fe2f178e32") == 0);
+}
+
+void test_object_blob_write__can_create_a_blob_in_a_standard_repo_from_a_file_located_in_the_working_directory(void)
+{
+	repo = cl_git_sandbox_init(WORKDIR);
+
+	assert_blob_creation(WORKDIR "/test.txt", "test.txt", &git_blob_create_fromworkdir);
+}
+
+void test_object_blob_write__can_create_a_blob_in_a_standard_repo_from_a_absolute_filepath_pointing_outside_of_the_working_directory(void)
+{
+	git_buf full_path = GIT_BUF_INIT;
+
+	repo = cl_git_sandbox_init(WORKDIR);
+
+	cl_must_pass(p_mkdir(ELSEWHERE, 0777));
+	cl_must_pass(git_path_prettify_dir(&full_path, ELSEWHERE, NULL));
+	cl_must_pass(git_buf_puts(&full_path, "test.txt"));
+
+	assert_blob_creation(ELSEWHERE "/test.txt", git_buf_cstr(&full_path), &git_blob_create_fromdisk);
+
+	git_buf_free(&full_path);
+	cl_must_pass(git_futils_rmdir_r(ELSEWHERE, NULL, GIT_RMDIR_REMOVE_FILES));
+}
+
+void test_object_blob_write__can_create_a_blob_in_a_bare_repo_from_a_absolute_filepath(void)
+{
+	git_buf full_path = GIT_BUF_INIT;
+
+	repo = cl_git_sandbox_init(BARE_REPO);
+
+	cl_must_pass(p_mkdir(ELSEWHERE, 0777));
+	cl_must_pass(git_path_prettify_dir(&full_path, ELSEWHERE, NULL));
+	cl_must_pass(git_buf_puts(&full_path, "test.txt"));
+
+	assert_blob_creation(ELSEWHERE "/test.txt", git_buf_cstr(&full_path), &git_blob_create_fromdisk);
+
+	git_buf_free(&full_path);
+	cl_must_pass(git_futils_rmdir_r(ELSEWHERE, NULL, GIT_RMDIR_REMOVE_FILES));
+}
diff --git a/tests/object/cache.c b/tests/object/cache.c
new file mode 100644
index 000000000..b927b2514
--- /dev/null
+++ b/tests/object/cache.c
@@ -0,0 +1,287 @@
+#include "clar_libgit2.h"
+#include "repository.h"
+
+static git_repository *g_repo;
+
+void test_object_cache__initialize(void)
+{
+	g_repo = NULL;
+}
+
+void test_object_cache__cleanup(void)
+{
+	git_repository_free(g_repo);
+	g_repo = NULL;
+
+	git_libgit2_opts(GIT_OPT_SET_CACHE_OBJECT_LIMIT, (int)GIT_OBJ_BLOB, (size_t)0);
+}
+
+static struct {
+	git_otype type;
+	const char *sha;
+} g_data[] = {
+	/* HEAD */
+	{ GIT_OBJ_BLOB, "a8233120f6ad708f843d861ce2b7228ec4e3dec6" }, /* README */
+	{ GIT_OBJ_BLOB, "3697d64be941a53d4ae8f6a271e4e3fa56b022cc" }, /* branch_file.txt */
+	{ GIT_OBJ_BLOB, "a71586c1dfe8a71c6cbf6c129f404c5642ff31bd" }, /* new.txt */
+
+	/* refs/heads/subtrees */
+	{ GIT_OBJ_BLOB, "1385f264afb75a56a5bec74243be9b367ba4ca08" }, /* README */
+	{ GIT_OBJ_TREE, "f1425cef211cc08caa31e7b545ffb232acb098c3" }, /* ab */
+	{ GIT_OBJ_BLOB, "d6c93164c249c8000205dd4ec5cbca1b516d487f" }, /* ab/4.txt */
+	{ GIT_OBJ_TREE, "9a03079b8a8ee85a0bee58bf9be3da8b62414ed4" }, /* ab/c */
+	{ GIT_OBJ_BLOB, "270b8ea76056d5cad83af921837702d3e3c2924d" }, /* ab/c/3.txt */
+	{ GIT_OBJ_TREE, "b6361fc6a97178d8fc8639fdeed71c775ab52593" }, /* ab/de */
+	{ GIT_OBJ_BLOB, "e7b4ad382349ff96dd8199000580b9b1e2042eb0" }, /* ab/de/2.txt */
+	{ GIT_OBJ_TREE, "3259a6bd5b57fb9c1281bb7ed3167b50f224cb54" }, /* ab/de/fgh */
+	{ GIT_OBJ_BLOB, "1f67fc4386b2d171e0d21be1c447e12660561f9b" }, /* ab/de/fgh/1.txt */
+	{ GIT_OBJ_BLOB, "45b983be36b73c0788dc9cbcb76cbb80fc7bb057" }, /* branch_file.txt */
+	{ GIT_OBJ_BLOB, "fa49b077972391ad58037050f2a75f74e3671e92" }, /* new.txt */
+
+	/* refs/heads/chomped */
+	{ GIT_OBJ_BLOB, "0266163a49e280c4f5ed1e08facd36a2bd716bcf" }, /* readme.txt */
+
+	{ 0, NULL },
+	{ 0, NULL }
+};
+
+void test_object_cache__cache_everything(void)
+{
+	int i, start;
+	git_oid oid;
+	git_odb_object *odb_obj;
+	git_object *obj;
+	git_odb *odb;
+
+	git_libgit2_opts(
+		GIT_OPT_SET_CACHE_OBJECT_LIMIT, (int)GIT_OBJ_BLOB, (size_t)32767);
+
+	cl_git_pass(git_repository_open(&g_repo, cl_fixture("testrepo.git")));
+	cl_git_pass(git_repository_odb(&odb, g_repo));
+
+	start = (int)git_cache_size(&g_repo->objects);
+
+	for (i = 0; g_data[i].sha != NULL; ++i) {
+		int count = (int)git_cache_size(&g_repo->objects);
+
+		cl_git_pass(git_oid_fromstr(&oid, g_data[i].sha));
+
+		/* alternate between loading raw and parsed objects */
+		if ((i & 1) == 0) {
+			cl_git_pass(git_odb_read(&odb_obj, odb, &oid));
+			cl_assert(g_data[i].type == git_odb_object_type(odb_obj));
+			git_odb_object_free(odb_obj);
+		} else {
+			cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
+			cl_assert(g_data[i].type == git_object_type(obj));
+			git_object_free(obj);
+		}
+
+		cl_assert_equal_i(count + 1, (int)git_cache_size(&g_repo->objects));
+	}
+
+	cl_assert_equal_i(i, (int)git_cache_size(&g_repo->objects) - start);
+
+	git_odb_free(odb);
+
+	for (i = 0; g_data[i].sha != NULL; ++i) {
+		int count = (int)git_cache_size(&g_repo->objects);
+
+		cl_git_pass(git_oid_fromstr(&oid, g_data[i].sha));
+		cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
+		cl_assert(g_data[i].type == git_object_type(obj));
+		git_object_free(obj);
+
+		cl_assert_equal_i(count, (int)git_cache_size(&g_repo->objects));
+	}
+}
+
+void test_object_cache__cache_no_blobs(void)
+{
+	int i, start, nonblobs = 0;
+	git_oid oid;
+	git_odb_object *odb_obj;
+	git_object *obj;
+	git_odb *odb;
+
+	git_libgit2_opts(GIT_OPT_SET_CACHE_OBJECT_LIMIT, (int)GIT_OBJ_BLOB, (size_t)0);
+
+	cl_git_pass(git_repository_open(&g_repo, cl_fixture("testrepo.git")));
+	cl_git_pass(git_repository_odb(&odb, g_repo));
+
+	start = (int)git_cache_size(&g_repo->objects);
+
+	for (i = 0; g_data[i].sha != NULL; ++i) {
+		int count = (int)git_cache_size(&g_repo->objects);
+
+		cl_git_pass(git_oid_fromstr(&oid, g_data[i].sha));
+
+		/* alternate between loading raw and parsed objects */
+		if ((i & 1) == 0) {
+			cl_git_pass(git_odb_read(&odb_obj, odb, &oid));
+			cl_assert(g_data[i].type == git_odb_object_type(odb_obj));
+			git_odb_object_free(odb_obj);
+		} else {
+			cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
+			cl_assert(g_data[i].type == git_object_type(obj));
+			git_object_free(obj);
+		}
+
+		if (g_data[i].type == GIT_OBJ_BLOB)
+			cl_assert_equal_i(count, (int)git_cache_size(&g_repo->objects));
+		else {
+			cl_assert_equal_i(count + 1, (int)git_cache_size(&g_repo->objects));
+			nonblobs++;
+		}
+	}
+
+	cl_assert_equal_i(nonblobs, (int)git_cache_size(&g_repo->objects) - start);
+
+	git_odb_free(odb);
+}
+
+static void *cache_parsed(void *arg)
+{
+	int i;
+	git_oid oid;
+	git_object *obj;
+
+	for (i = ((int *)arg)[1]; g_data[i].sha != NULL; i += 2) {
+		cl_git_pass(git_oid_fromstr(&oid, g_data[i].sha));
+		cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
+		cl_assert(g_data[i].type == git_object_type(obj));
+		git_object_free(obj);
+	}
+
+	for (i = 0; i < ((int *)arg)[1]; i += 2) {
+		cl_git_pass(git_oid_fromstr(&oid, g_data[i].sha));
+		cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
+		cl_assert(g_data[i].type == git_object_type(obj));
+		git_object_free(obj);
+	}
+
+	return arg;
+}
+
+static void *cache_raw(void *arg)
+{
+	int i;
+	git_oid oid;
+	git_odb *odb;
+	git_odb_object *odb_obj;
+
+	cl_git_pass(git_repository_odb(&odb, g_repo));
+
+	for (i = ((int *)arg)[1]; g_data[i].sha != NULL; i += 2) {
+		cl_git_pass(git_oid_fromstr(&oid, g_data[i].sha));
+		cl_git_pass(git_odb_read(&odb_obj, odb, &oid));
+		cl_assert(g_data[i].type == git_odb_object_type(odb_obj));
+		git_odb_object_free(odb_obj);
+	}
+
+	for (i = 0; i < ((int *)arg)[1]; i += 2) {
+		cl_git_pass(git_oid_fromstr(&oid, g_data[i].sha));
+		cl_git_pass(git_odb_read(&odb_obj, odb, &oid));
+		cl_assert(g_data[i].type == git_odb_object_type(odb_obj));
+		git_odb_object_free(odb_obj);
+	}
+
+	git_odb_free(odb);
+
+	return arg;
+}
+
+#define REPEAT 20
+#define THREADCOUNT 50
+
+void test_object_cache__threadmania(void)
+{
+	int try, th, max_i;
+	void *data;
+	void *(*fn)(void *);
+
+#ifdef GIT_THREADS
+	git_thread t[THREADCOUNT];
+#endif
+
+	for (max_i = 0; g_data[max_i].sha != NULL; ++max_i)
+		/* count up */;
+
+	for (try = 0; try < REPEAT; ++try) {
+
+		cl_git_pass(git_repository_open(&g_repo, cl_fixture("testrepo.git")));
+
+		for (th = 0; th < THREADCOUNT; ++th) {
+			data = git__malloc(2 * sizeof(int));
+
+			((int *)data)[0] = th;
+			((int *)data)[1] = th % max_i;
+
+			fn = (th & 1) ? cache_parsed : cache_raw;
+
+#ifdef GIT_THREADS
+			cl_git_pass(git_thread_create(&t[th], NULL, fn, data));
+#else
+			cl_assert(fn(data) == data);
+			git__free(data);
+#endif
+		}
+
+#ifdef GIT_THREADS
+		for (th = 0; th < THREADCOUNT; ++th) {
+			cl_git_pass(git_thread_join(t[th], &data));
+			cl_assert_equal_i(th, ((int *)data)[0]);
+			git__free(data);
+		}
+#endif
+
+		git_repository_free(g_repo);
+		g_repo = NULL;
+	}
+}
+
+static void *cache_quick(void *arg)
+{
+	git_oid oid;
+	git_object *obj;
+
+	cl_git_pass(git_oid_fromstr(&oid, g_data[4].sha));
+	cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
+	cl_assert(g_data[4].type == git_object_type(obj));
+	git_object_free(obj);
+
+	return arg;
+}
+
+void test_object_cache__fast_thread_rush(void)
+{
+	int try, th, data[THREADCOUNT*2];
+#ifdef GIT_THREADS
+	git_thread t[THREADCOUNT*2];
+#endif
+
+	for (try = 0; try < REPEAT; ++try) {
+		cl_git_pass(git_repository_open(&g_repo, cl_fixture("testrepo.git")));
+
+		for (th = 0; th < THREADCOUNT*2; ++th) {
+			data[th] = th;
+#ifdef GIT_THREADS
+			cl_git_pass(
+				git_thread_create(&t[th], NULL, cache_quick, &data[th]));
+#else
+			cl_assert(cache_quick(&data[th]) == &data[th]);
+#endif
+		}
+
+#ifdef GIT_THREADS
+		for (th = 0; th < THREADCOUNT*2; ++th) {
+			void *rval;
+			cl_git_pass(git_thread_join(t[th], &rval));
+			cl_assert_equal_i(th, *((int *)rval));
+		}
+#endif
+
+		git_repository_free(g_repo);
+		g_repo = NULL;
+	}
+}
diff --git a/tests/object/commit/commitstagedfile.c b/tests/object/commit/commitstagedfile.c
new file mode 100644
index 000000000..9867ab418
--- /dev/null
+++ b/tests/object/commit/commitstagedfile.c
@@ -0,0 +1,132 @@
+#include "clar_libgit2.h"
+#include "posix.h"
+
+static git_repository *repo;
+
+void test_object_commit_commitstagedfile__initialize(void)
+{
+	cl_fixture("treebuilder");
+	cl_git_pass(git_repository_init(&repo, "treebuilder/", 0));
+	cl_assert(repo != NULL);
+}
+
+void test_object_commit_commitstagedfile__cleanup(void)
+{
+	git_repository_free(repo);
+	repo = NULL;
+
+	cl_fixture_cleanup("treebuilder");
+}
+
+void test_object_commit_commitstagedfile__generate_predictable_object_ids(void)
+{
+	git_index *index;
+	const git_index_entry *entry;
+	git_oid expected_blob_oid, tree_oid, expected_tree_oid, commit_oid, expected_commit_oid;
+	git_signature *signature;
+	git_tree *tree;
+	char buffer[128];
+
+	/*
+	 * The test below replicates the following git scenario
+	 *
+	 * $ echo "test" > test.txt
+	 * $ git hash-object test.txt
+	 * 9daeafb9864cf43055ae93beb0afd6c7d144bfa4
+	 *
+	 * $ git add .
+	 * $ git commit -m "Initial commit"
+	 *
+	 * $ git log
+	 * commit 1fe3126578fc4eca68c193e4a3a0a14a0704624d
+	 * Author: nulltoken <emeric.fermas@gmail.com>
+	 * Date:   Wed Dec 14 08:29:03 2011 +0100
+	 *
+	 *     Initial commit
+	 *
+	 * $ git show 1fe3 --format=raw
+	 * commit 1fe3126578fc4eca68c193e4a3a0a14a0704624d
+	 * tree 2b297e643c551e76cfa1f93810c50811382f9117
+	 * author nulltoken <emeric.fermas@gmail.com> 1323847743 +0100
+	 * committer nulltoken <emeric.fermas@gmail.com> 1323847743 +0100
+	 * 
+	 *     Initial commit
+	 * 
+	 * diff --git a/test.txt b/test.txt
+	 * new file mode 100644
+	 * index 0000000..9daeafb
+	 * --- /dev/null
+	 * +++ b/test.txt
+	 * @@ -0,0 +1 @@
+	 * +test
+	 *
+	 * $ git ls-tree 2b297
+	 * 100644 blob 9daeafb9864cf43055ae93beb0afd6c7d144bfa4    test.txt
+	 */
+
+	cl_git_pass(git_oid_fromstr(&expected_commit_oid, "1fe3126578fc4eca68c193e4a3a0a14a0704624d"));
+	cl_git_pass(git_oid_fromstr(&expected_tree_oid, "2b297e643c551e76cfa1f93810c50811382f9117"));
+	cl_git_pass(git_oid_fromstr(&expected_blob_oid, "9daeafb9864cf43055ae93beb0afd6c7d144bfa4"));
+
+	/*
+	 * Add a new file to the index
+	 */
+	cl_git_mkfile("treebuilder/test.txt", "test\n");
+	cl_git_pass(git_repository_index(&index, repo));
+	cl_git_pass(git_index_add_bypath(index, "test.txt"));
+
+	entry = git_index_get_byindex(index, 0);
+
+	cl_assert(git_oid_cmp(&expected_blob_oid, &entry->oid) == 0);
+
+	/*
+	 * Information about index entry should match test file
+	 */
+	{
+		struct stat st;
+		cl_must_pass(p_lstat("treebuilder/test.txt", &st));
+		cl_assert(entry->file_size == st.st_size);
+#ifndef _WIN32
+		/*
+		 * Windows doesn't populate these fields, and the signage is
+		 * wrong in the Windows version of the struct, so lets avoid
+		 * the "comparing signed and unsigned" compilation warning in
+		 * that case.
+		 */
+		cl_assert(entry->uid == st.st_uid);
+		cl_assert(entry->gid == st.st_gid);
+#endif
+	}
+
+	/*
+	 * Build the tree from the index
+	 */
+	cl_git_pass(git_index_write_tree(&tree_oid, index));
+
+	cl_assert(git_oid_cmp(&expected_tree_oid, &tree_oid) == 0);
+
+	/*
+	 * Commit the staged file
+	 */
+	cl_git_pass(git_signature_new(&signature, "nulltoken", "emeric.fermas@gmail.com", 1323847743, 60));
+	cl_git_pass(git_tree_lookup(&tree, repo, &tree_oid));
+
+	cl_assert_equal_i(16, git_message_prettify(buffer, 128, "Initial commit", 0));
+
+	cl_git_pass(git_commit_create_v(
+		&commit_oid,
+		repo,
+		"HEAD",
+		signature,
+		signature,
+		NULL,
+		buffer,
+		tree,
+		0));
+
+	cl_assert(git_oid_cmp(&expected_commit_oid, &commit_oid) == 0);
+
+	git_signature_free(signature);
+	git_tree_free(tree);
+	git_index_free(index);
+}
diff --git a/tests/object/lookup.c b/tests/object/lookup.c
new file mode 100644
index 000000000..cfa6d4678
--- /dev/null
+++ b/tests/object/lookup.c
@@ -0,0 +1,65 @@
+#include "clar_libgit2.h"
+
+#include "repository.h"
+
+static git_repository *g_repo;
+
+void test_object_lookup__initialize(void)
+{
+   cl_git_pass(git_repository_open(&g_repo, cl_fixture("testrepo.git")));
+}
+
+void test_object_lookup__cleanup(void)
+{
+	git_repository_free(g_repo);
+	g_repo = NULL;
+}
+
+void test_object_lookup__lookup_wrong_type_returns_enotfound(void)
+{
+	const char *commit = "e90810b8df3e80c413d903f631643c716887138d";
+	git_oid oid;
+	git_object *object;
+
+	cl_git_pass(git_oid_fromstr(&oid, commit));
+	cl_assert_equal_i(
+		GIT_ENOTFOUND, git_object_lookup(&object, g_repo, &oid, GIT_OBJ_TAG));
+}
+
+void test_object_lookup__lookup_nonexisting_returns_enotfound(void)
+{
+	const char *unknown = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef";
+	git_oid oid;
+	git_object *object;
+
+	cl_git_pass(git_oid_fromstr(&oid, unknown));
+	cl_assert_equal_i(
+		GIT_ENOTFOUND, git_object_lookup(&object, g_repo, &oid, GIT_OBJ_ANY));
+}
+
+void test_object_lookup__lookup_wrong_type_by_abbreviated_id_returns_enotfound(void)
+{
+	const char *commit = "e90810b";
+	git_oid oid;
+	git_object *object;
+
+	cl_git_pass(git_oid_fromstrn(&oid, commit, strlen(commit)));
+	cl_assert_equal_i(
+		GIT_ENOTFOUND, git_object_lookup_prefix(&object, g_repo, &oid, strlen(commit), GIT_OBJ_TAG));
+}
+
+void test_object_lookup__lookup_wrong_type_eventually_returns_enotfound(void)
+{
+	const char *commit = "e90810b8df3e80c413d903f631643c716887138d";
+	git_oid oid;
+	git_object *object;
+
+	cl_git_pass(git_oid_fromstr(&oid, commit));
+
+	cl_git_pass(git_object_lookup(&object, g_repo, &oid, GIT_OBJ_COMMIT));
+	git_object_free(object);
+
+	cl_assert_equal_i(
+		GIT_ENOTFOUND, git_object_lookup(&object, g_repo, &oid, GIT_OBJ_TAG));
+}
+
diff --git a/tests/object/lookupbypath.c b/tests/object/lookupbypath.c
new file mode 100644
index 000000000..31aac7647
--- /dev/null
+++ b/tests/object/lookupbypath.c
@@ -0,0 +1,83 @@
+#include "clar_libgit2.h"
+
+#include "repository.h"
+
+static git_repository *g_repo;
+static git_tree *g_root_tree;
+static git_commit *g_head_commit;
+static git_object *g_expectedobject,
+						*g_actualobject;
+
+void test_object_lookupbypath__initialize(void)
+{
+	git_reference *head;
+	git_tree_entry *tree_entry;
+
+	cl_git_pass(git_repository_open(&g_repo, cl_fixture("attr/.gitted")));
+
+	cl_git_pass(git_repository_head(&head, g_repo));
+	cl_git_pass(git_reference_peel((git_object**)&g_head_commit, head, GIT_OBJ_COMMIT));
+	cl_git_pass(git_commit_tree(&g_root_tree, g_head_commit));
+	cl_git_pass(git_tree_entry_bypath(&tree_entry, g_root_tree, "subdir/subdir_test2.txt"));
+	cl_git_pass(git_object_lookup(&g_expectedobject, g_repo, git_tree_entry_id(tree_entry),
+				GIT_OBJ_ANY));
+
+	git_tree_entry_free(tree_entry);
+	git_reference_free(head);
+
+	g_actualobject = NULL;
+}
+void test_object_lookupbypath__cleanup(void)
+{
+	git_object_free(g_actualobject);
+	git_object_free(g_expectedobject);
+	git_tree_free(g_root_tree);
+	git_commit_free(g_head_commit);
+	g_expectedobject = NULL;
+	git_repository_free(g_repo);
+	g_repo = NULL;
+}
+
+void test_object_lookupbypath__errors(void)
+{
+	cl_assert_equal_i(GIT_EINVALIDSPEC,
+			git_object_lookup_bypath(&g_actualobject, (git_object*)g_root_tree,
+				"subdir/subdir_test2.txt", GIT_OBJ_TREE)); // It's not a tree
+	cl_assert_equal_i(GIT_ENOTFOUND,
+			git_object_lookup_bypath(&g_actualobject, (git_object*)g_root_tree,
+				"file/doesnt/exist", GIT_OBJ_ANY));
+}
+
+void test_object_lookupbypath__from_root_tree(void)
+{
+	cl_git_pass(git_object_lookup_bypath(&g_actualobject, (git_object*)g_root_tree,
+				"subdir/subdir_test2.txt", GIT_OBJ_BLOB));
+	cl_assert_equal_i(0, git_oid_cmp(git_object_id(g_expectedobject),
+				git_object_id(g_actualobject)));
+}
+
+void test_object_lookupbypath__from_head_commit(void)
+{
+	cl_git_pass(git_object_lookup_bypath(&g_actualobject, (git_object*)g_head_commit,
+				"subdir/subdir_test2.txt", GIT_OBJ_BLOB));
+	cl_assert_equal_i(0, git_oid_cmp(git_object_id(g_expectedobject),
+				git_object_id(g_actualobject)));
+}
+
+void test_object_lookupbypath__from_subdir_tree(void)
+{
+	git_tree_entry *entry = NULL;
+	git_tree *tree = NULL;
+
+	cl_git_pass(git_tree_entry_bypath(&entry, g_root_tree, "subdir"));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, git_tree_entry_id(entry)));
+
+	cl_git_pass(git_object_lookup_bypath(&g_actualobject, (git_object*)tree,
+				"subdir_test2.txt", GIT_OBJ_BLOB));
+	cl_assert_equal_i(0, git_oid_cmp(git_object_id(g_expectedobject),
+				git_object_id(g_actualobject)));
+
+	git_tree_entry_free(entry);
+	git_tree_free(tree);
+}
+
diff --git a/tests/object/message.c b/tests/object/message.c
new file mode 100644
index 000000000..7ef6374b3
--- /dev/null
+++ b/tests/object/message.c
@@ -0,0 +1,236 @@
+#include "clar_libgit2.h"
+#include "buffer.h"
+#include "message.h"
+
+static void assert_message_prettifying(char *expected_output, char *input, int strip_comments)
+{
+	git_buf prettified_message = GIT_BUF_INIT;
+
+	git_message__prettify(&prettified_message, input, strip_comments);
+	cl_assert_equal_s(expected_output, git_buf_cstr(&prettified_message));
+
+	git_buf_free(&prettified_message);
+}
+
+#define t40 "A quick brown fox jumps over the lazy do"
+#define s40 "                                        "
+#define sss s40 s40 s40 s40 s40 s40 s40 s40 s40 s40 // # 400
+#define ttt t40 t40 t40 t40 t40 t40 t40 t40 t40 t40 // # 400
+
+/* Ported from git.git */
+/* see https://github.com/git/git/blob/master/t/t0030-stripspace.sh */
+void test_object_message__long_lines_without_spaces_should_be_unchanged(void)
+{
+	assert_message_prettifying(ttt "\n", ttt, 0);
+	assert_message_prettifying(ttt ttt "\n", ttt ttt, 0);
+	assert_message_prettifying(ttt ttt ttt "\n", ttt ttt ttt, 0);
+	assert_message_prettifying(ttt ttt ttt ttt "\n", ttt ttt ttt ttt, 0);
+}
+
+void test_object_message__lines_with_spaces_at_the_beginning_should_be_unchanged(void)
+{
+	assert_message_prettifying(sss ttt "\n", sss ttt, 0);
+	assert_message_prettifying(sss sss ttt "\n", sss sss ttt, 0);
+	assert_message_prettifying(sss sss sss ttt "\n", sss sss sss ttt, 0);
+}
+
+void test_object_message__lines_with_intermediate_spaces_should_be_unchanged(void)
+{
+	assert_message_prettifying(ttt sss ttt "\n", ttt sss ttt, 0);
+	assert_message_prettifying(ttt sss sss ttt "\n", ttt sss sss ttt, 0);
+}
+
+void test_object_message__consecutive_blank_lines_should_be_unified(void)
+{
+	assert_message_prettifying(ttt "\n\n" ttt "\n", ttt "\n\n\n\n\n" ttt "\n", 0);
+	assert_message_prettifying(ttt ttt "\n\n" ttt "\n", ttt ttt "\n\n\n\n\n" ttt "\n", 0);
+	assert_message_prettifying(ttt ttt ttt "\n\n" ttt "\n", ttt ttt ttt "\n\n\n\n\n" ttt "\n", 0);
+
+	assert_message_prettifying(ttt "\n\n" ttt ttt "\n", ttt "\n\n\n\n\n" ttt ttt "\n", 0);
+	assert_message_prettifying(ttt "\n\n" ttt ttt ttt "\n", ttt "\n\n\n\n\n" ttt ttt ttt "\n", 0);
+
+	assert_message_prettifying(ttt "\n\n" ttt "\n", ttt "\n\t\n \n\n  \t\t\n" ttt "\n", 0);
+	assert_message_prettifying(ttt ttt "\n\n" ttt "\n", ttt ttt "\n\t\n \n\n  \t\t\n" ttt "\n", 0);
+	assert_message_prettifying(ttt ttt ttt "\n\n" ttt "\n", ttt ttt ttt "\n\t\n \n\n  \t\t\n" ttt "\n", 0);
+
+	assert_message_prettifying(ttt "\n\n" ttt ttt "\n", ttt "\n\t\n \n\n  \t\t\n" ttt ttt "\n", 0);
+	assert_message_prettifying(ttt "\n\n" ttt ttt ttt "\n", ttt "\n\t\n \n\n  \t\t\n" ttt ttt ttt "\n", 0);
+}
+
+void test_object_message__only_consecutive_blank_lines_should_be_completely_removed(void)
+{
+	assert_message_prettifying("", "\n", 0);
+	assert_message_prettifying("", "\n\n\n", 0);
+	assert_message_prettifying("", sss "\n" sss "\n" sss "\n", 0);
+	assert_message_prettifying("", sss sss "\n" sss "\n\n", 0);
+}
+
+void test_object_message__consecutive_blank_lines_at_the_beginning_should_be_removed(void)
+{
+	assert_message_prettifying(ttt "\n", "\n" ttt "\n", 0);
+	assert_message_prettifying(ttt "\n", "\n\n\n" ttt "\n", 0);
+	assert_message_prettifying(ttt ttt "\n", "\n\n\n" ttt ttt "\n", 0);
+	assert_message_prettifying(ttt ttt ttt "\n", "\n\n\n" ttt ttt ttt "\n", 0);
+	assert_message_prettifying(ttt ttt ttt ttt "\n", "\n\n\n" ttt ttt ttt ttt "\n", 0);
+	assert_message_prettifying(ttt "\n", sss "\n" sss "\n" sss "\n" ttt "\n", 0);
+	assert_message_prettifying(ttt "\n", "\n" sss "\n" sss sss "\n" ttt "\n", 0);
+	assert_message_prettifying(ttt "\n", sss sss "\n" sss "\n\n" ttt "\n", 0);
+	assert_message_prettifying(ttt "\n", sss sss sss "\n\n\n" ttt "\n", 0);
+	assert_message_prettifying(ttt "\n", "\n" sss sss sss "\n\n" ttt "\n", 0);
+	assert_message_prettifying(ttt "\n", "\n\n" sss sss sss "\n" ttt "\n", 0);
+}
+
+void test_object_message__consecutive_blank_lines_at_the_end_should_be_removed(void)
+{
+	assert_message_prettifying(ttt "\n", ttt "\n\n", 0);
+	assert_message_prettifying(ttt "\n", ttt "\n\n\n\n", 0);
+	assert_message_prettifying(ttt ttt "\n", ttt ttt "\n\n\n\n", 0);
+	assert_message_prettifying(ttt ttt ttt "\n", ttt ttt ttt "\n\n\n\n", 0);
+	assert_message_prettifying(ttt ttt ttt ttt "\n", ttt ttt ttt ttt "\n\n\n\n", 0);
+	assert_message_prettifying(ttt "\n", ttt "\n" sss "\n" sss "\n" sss "\n", 0);
+	assert_message_prettifying(ttt "\n", ttt "\n\n" sss "\n" sss sss "\n", 0);
+	assert_message_prettifying(ttt "\n", ttt "\n" sss sss "\n" sss "\n\n", 0);
+	assert_message_prettifying(ttt "\n", ttt "\n" sss sss sss "\n\n\n", 0);
+	assert_message_prettifying(ttt "\n", ttt "\n\n" sss sss sss "\n\n", 0);
+	assert_message_prettifying(ttt "\n", ttt "\n\n\n" sss sss sss "\n\n", 0);
+}
+
+void test_object_message__text_without_newline_at_end_should_end_with_newline(void)
+{
+	assert_message_prettifying(ttt "\n", ttt, 0);
+	assert_message_prettifying(ttt ttt "\n", ttt ttt, 0);
+	assert_message_prettifying(ttt ttt ttt "\n", ttt ttt ttt, 0);
+	assert_message_prettifying(ttt ttt ttt ttt "\n", ttt ttt ttt ttt, 0);
+}
+
+void test_object_message__text_plus_spaces_without_newline_should_not_show_spaces_and_end_with_newline(void)
+{
+	assert_message_prettifying(ttt "\n", ttt sss, 0);
+	assert_message_prettifying(ttt ttt "\n", ttt ttt sss, 0);
+	assert_message_prettifying(ttt ttt ttt "\n", ttt ttt ttt sss, 0);
+	assert_message_prettifying(ttt "\n", ttt sss sss, 0);
+	assert_message_prettifying(ttt ttt "\n", ttt ttt sss sss, 0);
+	assert_message_prettifying(ttt "\n", ttt sss sss sss, 0);
+}
+
+void test_object_message__text_plus_spaces_ending_with_newline_should_be_cleaned_and_newline_must_remain(void){
+	assert_message_prettifying(ttt "\n", ttt sss "\n", 0);
+	assert_message_prettifying(ttt "\n", ttt sss sss "\n", 0);
+	assert_message_prettifying(ttt "\n", ttt sss sss sss "\n", 0);
+	assert_message_prettifying(ttt ttt "\n", ttt ttt sss "\n", 0);
+	assert_message_prettifying(ttt ttt "\n", ttt ttt sss sss "\n", 0);
+	assert_message_prettifying(ttt ttt ttt "\n", ttt ttt ttt sss "\n", 0);
+}
+
+void test_object_message__spaces_with_newline_at_end_should_be_replaced_with_empty_string(void)
+{
+	assert_message_prettifying("", sss "\n", 0);
+	assert_message_prettifying("", sss sss "\n", 0);
+	assert_message_prettifying("", sss sss sss "\n", 0);
+	assert_message_prettifying("", sss sss sss sss "\n", 0);
+}
+
+void test_object_message__spaces_without_newline_at_end_should_be_replaced_with_empty_string(void)
+{
+	assert_message_prettifying("", "", 0);
+	assert_message_prettifying("", sss sss, 0);
+	assert_message_prettifying("", sss sss sss, 0);
+	assert_message_prettifying("", sss sss sss sss, 0);
+}
+
+void test_object_message__consecutive_text_lines_should_be_unchanged(void)
+{
+	assert_message_prettifying(ttt ttt "\n" ttt "\n", ttt ttt "\n" ttt "\n", 0);
+	assert_message_prettifying(ttt "\n" ttt ttt "\n" ttt "\n", ttt "\n" ttt ttt "\n" ttt "\n", 0);
+	assert_message_prettifying(ttt "\n" ttt "\n" ttt "\n" ttt ttt "\n", ttt "\n" ttt "\n" ttt "\n" ttt ttt "\n", 0);
+	assert_message_prettifying(ttt "\n" ttt "\n\n" ttt ttt "\n" ttt "\n", ttt "\n" ttt "\n\n" ttt ttt "\n" ttt "\n", 0);
+	assert_message_prettifying(ttt ttt "\n\n" ttt "\n" ttt ttt "\n", ttt ttt "\n\n" ttt "\n" ttt ttt "\n", 0);
+	assert_message_prettifying(ttt "\n" ttt ttt "\n\n" ttt "\n", ttt "\n" ttt ttt "\n\n" ttt "\n", 0);
+}
+
+void test_object_message__strip_comments(void)
+{
+	assert_message_prettifying("", "# comment", 1);
+	assert_message_prettifying("", "# comment\n", 1);
+	assert_message_prettifying("", "# comment    \n", 1);
+
+	assert_message_prettifying(ttt "\n", ttt "\n" "# comment\n", 1);
+	assert_message_prettifying(ttt "\n", "# comment\n" ttt "\n", 1);
+	assert_message_prettifying(ttt "\n" ttt "\n", ttt "\n" "# comment\n" ttt "\n", 1);
+}
+
+void test_object_message__keep_comments(void)
+{
+	assert_message_prettifying("# comment\n", "# comment", 0);
+	assert_message_prettifying("# comment\n", "# comment\n", 0);
+	assert_message_prettifying("# comment\n", "# comment    \n", 0);
+
+	assert_message_prettifying(ttt "\n" "# comment\n", ttt "\n" "# comment\n", 0);
+	assert_message_prettifying("# comment\n" ttt "\n", "# comment\n" ttt "\n", 0);
+	assert_message_prettifying(ttt "\n" "# comment\n" ttt "\n", ttt "\n" "# comment\n" ttt "\n", 0);
+}
+
+void test_object_message__message_prettify(void)
+{
+	char buffer[100];
+
+	cl_assert(git_message_prettify(buffer, sizeof(buffer), "", 0) == 1);
+	cl_assert_equal_s(buffer, "");
+	cl_assert(git_message_prettify(buffer, sizeof(buffer), "", 1) == 1);
+	cl_assert_equal_s(buffer, "");
+
+	cl_assert_equal_i(7, git_message_prettify(buffer, sizeof(buffer), "Short", 0));
+	cl_assert_equal_s("Short\n", buffer);
+	cl_assert_equal_i(7, git_message_prettify(buffer, sizeof(buffer), "Short", 1));
+	cl_assert_equal_s("Short\n", buffer);
+
+	cl_assert(git_message_prettify(buffer, sizeof(buffer), "This is longer\nAnd multiline\n# with some comments still in\n", 0) > 0);
+	cl_assert_equal_s(buffer, "This is longer\nAnd multiline\n# with some comments still in\n");
+
+	cl_assert(git_message_prettify(buffer, sizeof(buffer), "This is longer\nAnd multiline\n# with some comments still in\n", 1) > 0);
+	cl_assert_equal_s(buffer, "This is longer\nAnd multiline\n");
+
+	/* try out overflow */
+	cl_assert(git_message_prettify(buffer, sizeof(buffer),
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890"
+		"1234567890" "1234567890" "1234567890" "1234567890" "12345678",
+		0) > 0);
+	cl_assert_equal_s(buffer,
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890"
+		"1234567890" "1234567890" "1234567890" "1234567890" "12345678\n");
+
+	cl_assert(git_message_prettify(buffer, sizeof(buffer),
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890"
+		"1234567890" "1234567890" "1234567890" "1234567890" "12345678\n",
+		0) > 0);
+	cl_assert_equal_s(buffer,
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890"
+		"1234567890" "1234567890" "1234567890" "1234567890" "12345678\n");
+
+	cl_git_fail(git_message_prettify(buffer, sizeof(buffer),
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890"
+		"1234567890" "1234567890" "1234567890" "1234567890" "123456789",
+		0));
+	cl_git_fail(git_message_prettify(buffer, sizeof(buffer),
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890"
+		"1234567890" "1234567890" "1234567890" "1234567890" "123456789\n",
+		0));
+	cl_git_fail(git_message_prettify(buffer, sizeof(buffer),
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890"
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890",
+		0));
+	cl_git_fail(git_message_prettify(buffer, sizeof(buffer),
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890"
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890""x",
+		0));
+
+	cl_assert(git_message_prettify(buffer, sizeof(buffer),
+		"1234567890" "1234567890" "1234567890" "1234567890" "1234567890\n"
+		"# 1234567890" "1234567890" "1234567890" "1234567890" "1234567890\n"
+		"1234567890",
+		1) > 0);
+
+	cl_assert(git_message_prettify(NULL, 0, "", 0) == 1);
+	cl_assert(git_message_prettify(NULL, 0, "Short test", 0) == 12);
+	cl_assert(git_message_prettify(NULL, 0, "Test\n# with\nComments", 1) == 15);
+}
diff --git a/tests/object/peel.c b/tests/object/peel.c
new file mode 100644
index 000000000..b6c9c7a3b
--- /dev/null
+++ b/tests/object/peel.c
@@ -0,0 +1,105 @@
+#include "clar_libgit2.h"
+
+static git_repository *g_repo;
+
+void test_object_peel__initialize(void)
+{
+	cl_git_pass(git_repository_open(&g_repo, cl_fixture("testrepo.git")));
+}
+
+void test_object_peel__cleanup(void)
+{
+	git_repository_free(g_repo);
+	g_repo = NULL;
+}
+
+static void assert_peel(
+	const char *sha,
+	git_otype requested_type,
+	const char* expected_sha,
+	git_otype expected_type)
+{
+	git_oid oid, expected_oid;
+	git_object *obj;
+	git_object *peeled;
+
+	cl_git_pass(git_oid_fromstr(&oid, sha));
+	cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
+	
+	cl_git_pass(git_object_peel(&peeled, obj, requested_type));
+
+	cl_git_pass(git_oid_fromstr(&expected_oid, expected_sha));
+	cl_assert_equal_i(0, git_oid_cmp(&expected_oid, git_object_id(peeled)));
+
+	cl_assert_equal_i(expected_type, git_object_type(peeled));
+
+	git_object_free(peeled);
+	git_object_free(obj);
+}
+
+static void assert_peel_error(int error, const char *sha, git_otype requested_type)
+{
+	git_oid oid;
+	git_object *obj;
+	git_object *peeled;
+
+	cl_git_pass(git_oid_fromstr(&oid, sha));
+	cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
+	
+	cl_assert_equal_i(error, git_object_peel(&peeled, obj, requested_type));
+
+	git_object_free(obj);
+}
+
+void test_object_peel__peeling_an_object_into_its_own_type_returns_another_instance_of_it(void)
+{
+	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT,
+		"e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);
+	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_TAG,
+		"7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_TAG);
+	assert_peel("53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE,
+		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
+	assert_peel("0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB,
+		"0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB);
+}
+
+void test_object_peel__can_peel_a_tag(void)
+{
+	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_COMMIT,
+		"e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);
+	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_TREE,
+		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
+}
+
+void test_object_peel__can_peel_a_commit(void)
+{
+	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_TREE,
+		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
+}
+
+void test_object_peel__cannot_peel_a_tree(void)
+{
+	assert_peel_error(GIT_EAMBIGUOUS, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_BLOB);
+}
+
+void test_object_peel__cannot_peel_a_blob(void)
+{
+	assert_peel_error(GIT_ENOTFOUND, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_COMMIT);
+}
+
+void test_object_peel__target_any_object_for_type_change(void)
+{
+	/* tag to commit */
+	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_ANY,
+		"e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);
+
+	/* commit to tree */
+	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_ANY,
+		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
+
+	/* fail to peel tree */
+	assert_peel_error(GIT_EAMBIGUOUS, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_ANY);
+
+	/* fail to peel blob */
+	assert_peel_error(GIT_ENOTFOUND, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_ANY);
+}
diff --git a/tests/object/raw/chars.c b/tests/object/raw/chars.c
new file mode 100644
index 000000000..206bf7119
--- /dev/null
+++ b/tests/object/raw/chars.c
@@ -0,0 +1,41 @@
+
+#include "clar_libgit2.h"
+
+#include "odb.h"
+
+void test_object_raw_chars__find_invalid_chars_in_oid(void)
+{
+	git_oid out;
+	unsigned char exp[] = {
+		0x16, 0xa6, 0x77, 0x70, 0xb7,
+		0xd8, 0xd7, 0x23, 0x17, 0xc4,
+		0xb7, 0x75, 0x21, 0x3c, 0x23,
+		0xa8, 0xbd, 0x74, 0xf5, 0xe0,
+	};
+	char in[41] = "16a67770b7d8d72317c4b775213c23a8bd74f5e0";
+	unsigned int i;
+
+	for (i = 0; i < 256; i++) {
+		in[38] = (char)i;
+		if (git__fromhex(i) >= 0) {
+			exp[19] = (unsigned char)(git__fromhex(i) << 4);
+			cl_git_pass(git_oid_fromstr(&out, in));
+			cl_assert(memcmp(out.id, exp, sizeof(out.id)) == 0);
+		} else {
+			cl_git_fail(git_oid_fromstr(&out, in));
+		}
+	}
+}
+
+void test_object_raw_chars__build_valid_oid_from_raw_bytes(void)
+{
+	git_oid out;
+	unsigned char exp[] = {
+		0x16, 0xa6, 0x77, 0x70, 0xb7,
+		0xd8, 0xd7, 0x23, 0x17, 0xc4,
+		0xb7, 0x75, 0x21, 0x3c, 0x23,
+		0xa8, 0xbd, 0x74, 0xf5, 0xe0,
+	};
+	git_oid_fromraw(&out, exp);
+	cl_git_pass(memcmp(out.id, exp, sizeof(out.id)));
+}
diff --git a/tests/object/raw/compare.c b/tests/object/raw/compare.c
new file mode 100644
index 000000000..1c9ce4b81
--- /dev/null
+++ b/tests/object/raw/compare.c
@@ -0,0 +1,124 @@
+
+#include "clar_libgit2.h"
+
+#include "odb.h"
+
+void test_object_raw_compare__succeed_on_copy_oid(void)
+{
+	git_oid a, b;
+	unsigned char exp[] = {
+		0x16, 0xa6, 0x77, 0x70, 0xb7,
+		0xd8, 0xd7, 0x23, 0x17, 0xc4,
+		0xb7, 0x75, 0x21, 0x3c, 0x23,
+		0xa8, 0xbd, 0x74, 0xf5, 0xe0,
+	};
+	memset(&b, 0, sizeof(b));
+	git_oid_fromraw(&a, exp);
+	git_oid_cpy(&b, &a);
+	cl_git_pass(memcmp(a.id, exp, sizeof(a.id)));
+}
+
+void test_object_raw_compare__succeed_on_oid_comparison_lesser(void)
+{
+	git_oid a, b;
+	unsigned char a_in[] = {
+		0x16, 0xa6, 0x77, 0x70, 0xb7,
+		0xd8, 0xd7, 0x23, 0x17, 0xc4,
+		0xb7, 0x75, 0x21, 0x3c, 0x23,
+		0xa8, 0xbd, 0x74, 0xf5, 0xe0,
+	};
+	unsigned char b_in[] = {
+		0x16, 0xa6, 0x77, 0x70, 0xb7,
+		0xd8, 0xd7, 0x23, 0x17, 0xc4,
+		0xb7, 0x75, 0x21, 0x3c, 0x23,
+		0xa8, 0xbd, 0x74, 0xf5, 0xf0,
+	};
+	git_oid_fromraw(&a, a_in);
+	git_oid_fromraw(&b, b_in);
+	cl_assert(git_oid_cmp(&a, &b) < 0);
+}
+
+void test_object_raw_compare__succeed_on_oid_comparison_equal(void)
+{
+	git_oid a, b;
+	unsigned char a_in[] = {
+		0x16, 0xa6, 0x77, 0x70, 0xb7,
+		0xd8, 0xd7, 0x23, 0x17, 0xc4,
+		0xb7, 0x75, 0x21, 0x3c, 0x23,
+		0xa8, 0xbd, 0x74, 0xf5, 0xe0,
+	};
+	git_oid_fromraw(&a, a_in);
+	git_oid_fromraw(&b, a_in);
+	cl_assert(git_oid_cmp(&a, &b) == 0);
+}
+
+void test_object_raw_compare__succeed_on_oid_comparison_greater(void)
+{
+	git_oid a, b;
+	unsigned char a_in[] = {
+		0x16, 0xa6, 0x77, 0x70, 0xb7,
+		0xd8, 0xd7, 0x23, 0x17, 0xc4,
+		0xb7, 0x75, 0x21, 0x3c, 0x23,
+		0xa8, 0xbd, 0x74, 0xf5, 0xe0,
+	};
+	unsigned char b_in[] = {
+		0x16, 0xa6, 0x77, 0x70, 0xb7,
+		0xd8, 0xd7, 0x23, 0x17, 0xc4,
+		0xb7, 0x75, 0x21, 0x3c, 0x23,
+		0xa8, 0xbd, 0x74, 0xf5, 0xd0,
+	};
+	git_oid_fromraw(&a, a_in);
+	git_oid_fromraw(&b, b_in);
+	cl_assert(git_oid_cmp(&a, &b) > 0);
+}
+
+void test_object_raw_compare__compare_fmt_oids(void)
+{
+	const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
+	git_oid in;
+	char out[GIT_OID_HEXSZ + 1];
+
+	cl_git_pass(git_oid_fromstr(&in, exp));
+
+	/* Format doesn't touch the last byte */
+	out[GIT_OID_HEXSZ] = 'Z';
+	git_oid_fmt(out, &in);
+	cl_assert(out[GIT_OID_HEXSZ] == 'Z');
+
+	/* Format produced the right result */
+	out[GIT_OID_HEXSZ] = '\0';
+	cl_assert_equal_s(exp, out);
+}
+
+void test_object_raw_compare__compare_allocfmt_oids(void)
+{
+	const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
+	git_oid in;
+	char *out;
+
+	cl_git_pass(git_oid_fromstr(&in, exp));
+
+	out = git_oid_allocfmt(&in);
+	cl_assert(out);
+	cl_assert_equal_s(exp, out);
+	git__free(out);
+}
+
+void test_object_raw_compare__compare_pathfmt_oids(void)
+{
+	const char *exp1 = "16a0123456789abcdef4b775213c23a8bd74f5e0";
+	const char *exp2 = "16/a0123456789abcdef4b775213c23a8bd74f5e0";
+	git_oid in;
+	char out[GIT_OID_HEXSZ + 2];
+
+	cl_git_pass(git_oid_fromstr(&in, exp1));
+
+	/* Format doesn't touch the last byte */
+	out[GIT_OID_HEXSZ + 1] = 'Z';
+	git_oid_pathfmt(out, &in);
+	cl_assert(out[GIT_OID_HEXSZ + 1] == 'Z');
+
+	/* Format produced the right result */
+	out[GIT_OID_HEXSZ + 1] = '\0';
+	cl_assert_equal_s(exp2, out);
+}
diff --git a/tests/object/raw/convert.c b/tests/object/raw/convert.c
new file mode 100644
index 000000000..88b1380a4
--- /dev/null
+++ b/tests/object/raw/convert.c
@@ -0,0 +1,112 @@
+
+#include "clar_libgit2.h"
+
+#include "odb.h"
+
+void test_object_raw_convert__succeed_on_oid_to_string_conversion(void)
+{
+	const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
+	git_oid in;
+	char out[GIT_OID_HEXSZ + 1];
+	char *str;
+	int i;
+
+	cl_git_pass(git_oid_fromstr(&in, exp));
+
+	/* NULL buffer pointer, returns static empty string */
+	str = git_oid_tostr(NULL, sizeof(out), &in);
+	cl_assert(str && *str == '\0' && str != out);
+
+	/* zero buffer size, returns static empty string */
+	str = git_oid_tostr(out, 0, &in);
+	cl_assert(str && *str == '\0' && str != out);
+
+	/* NULL oid pointer, sets existing buffer to empty string */
+	str = git_oid_tostr(out, sizeof(out), NULL);
+	cl_assert(str && *str == '\0' && str == out);
+
+	/* n == 1, returns out as an empty string */
+	str = git_oid_tostr(out, 1, &in);
+	cl_assert(str && *str == '\0' && str == out);
+
+	for (i = 1; i < GIT_OID_HEXSZ; i++) {
+		out[i+1] = 'Z';
+		str = git_oid_tostr(out, i+1, &in);
+		/* returns out containing c-string */
+		cl_assert(str && str == out);
+		/* must be '\0' terminated */
+		cl_assert(*(str+i) == '\0');
+		/* must not touch bytes past end of string */
+		cl_assert(*(str+(i+1)) == 'Z');
+		/* i == n-1 charaters of string */
+		cl_git_pass(strncmp(exp, out, i));
+	}
+
+	/* returns out as hex formatted c-string */
+	str = git_oid_tostr(out, sizeof(out), &in);
+	cl_assert(str && str == out && *(str+GIT_OID_HEXSZ) == '\0');
+	cl_assert_equal_s(exp, out);
+}
+
+void test_object_raw_convert__succeed_on_oid_to_string_conversion_big(void)
+{
+	const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
+	git_oid in;
+	char big[GIT_OID_HEXSZ + 1 + 3]; /* note + 4 => big buffer */
+	char *str;
+
+	cl_git_pass(git_oid_fromstr(&in, exp));
+
+	/* place some tail material */
+	big[GIT_OID_HEXSZ+0] = 'W'; /* should be '\0' afterwards */
+	big[GIT_OID_HEXSZ+1] = 'X'; /* should remain untouched   */
+	big[GIT_OID_HEXSZ+2] = 'Y'; /* ditto */
+	big[GIT_OID_HEXSZ+3] = 'Z'; /* ditto */
+
+	/* returns big as hex formatted c-string */
+	str = git_oid_tostr(big, sizeof(big), &in);
+	cl_assert(str && str == big && *(str+GIT_OID_HEXSZ) == '\0');
+	cl_assert_equal_s(exp, big);
+
+	/* check tail material is untouched */
+	cl_assert(str && str == big && *(str+GIT_OID_HEXSZ+1) == 'X');
+	cl_assert(str && str == big && *(str+GIT_OID_HEXSZ+2) == 'Y');
+	cl_assert(str && str == big && *(str+GIT_OID_HEXSZ+3) == 'Z');
+}
+
+static void check_partial_oid(
+	char *buffer, size_t count, const git_oid *oid, const char *expected)
+{
+	git_oid_nfmt(buffer, count, oid);
+	buffer[count] = '\0';
+	cl_assert_equal_s(expected, buffer);
+}
+
+void test_object_raw_convert__convert_oid_partially(void)
+{
+	const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
+	git_oid in;
+	char big[GIT_OID_HEXSZ + 1 + 3]; /* note + 4 => big buffer */
+
+	cl_git_pass(git_oid_fromstr(&in, exp));
+
+	git_oid_nfmt(big, sizeof(big), &in);
+	cl_assert_equal_s(exp, big);
+
+	git_oid_nfmt(big, GIT_OID_HEXSZ + 1, &in);
+	cl_assert_equal_s(exp, big);
+
+	check_partial_oid(big, 1, &in, "1");
+	check_partial_oid(big, 2, &in, "16");
+	check_partial_oid(big, 3, &in, "16a");
+	check_partial_oid(big, 4, &in, "16a0");
+	check_partial_oid(big, 5, &in, "16a01");
+
+	check_partial_oid(big, GIT_OID_HEXSZ, &in, exp);
+	check_partial_oid(
+		big, GIT_OID_HEXSZ - 1, &in, "16a0123456789abcdef4b775213c23a8bd74f5e");
+	check_partial_oid(
+		big, GIT_OID_HEXSZ - 2, &in, "16a0123456789abcdef4b775213c23a8bd74f5");
+	check_partial_oid(
+		big, GIT_OID_HEXSZ - 3, &in, "16a0123456789abcdef4b775213c23a8bd74f");
+}
diff --git a/tests/object/raw/data.h b/tests/object/raw/data.h
new file mode 100644
index 000000000..cf23819f1
--- /dev/null
+++ b/tests/object/raw/data.h
@@ -0,0 +1,323 @@
+
+/*
+ * Raw data
+ */
+static unsigned char commit_data[] = {
+    0x74, 0x72, 0x65, 0x65, 0x20, 0x64, 0x66, 0x66,
+    0x32, 0x64, 0x61, 0x39, 0x30, 0x62, 0x32, 0x35,
+    0x34, 0x65, 0x31, 0x62, 0x65, 0x62, 0x38, 0x38,
+    0x39, 0x64, 0x31, 0x66, 0x31, 0x66, 0x31, 0x32,
+    0x38, 0x38, 0x62, 0x65, 0x31, 0x38, 0x30, 0x33,
+    0x37, 0x38, 0x32, 0x64, 0x66, 0x0a, 0x61, 0x75,
+    0x74, 0x68, 0x6f, 0x72, 0x20, 0x41, 0x20, 0x55,
+    0x20, 0x54, 0x68, 0x6f, 0x72, 0x20, 0x3c, 0x61,
+    0x75, 0x74, 0x68, 0x6f, 0x72, 0x40, 0x65, 0x78,
+    0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f,
+    0x6d, 0x3e, 0x20, 0x31, 0x32, 0x32, 0x37, 0x38,
+    0x31, 0x34, 0x32, 0x39, 0x37, 0x20, 0x2b, 0x30,
+    0x30, 0x30, 0x30, 0x0a, 0x63, 0x6f, 0x6d, 0x6d,
+    0x69, 0x74, 0x74, 0x65, 0x72, 0x20, 0x43, 0x20,
+    0x4f, 0x20, 0x4d, 0x69, 0x74, 0x74, 0x65, 0x72,
+    0x20, 0x3c, 0x63, 0x6f, 0x6d, 0x6d, 0x69, 0x74,
+    0x74, 0x65, 0x72, 0x40, 0x65, 0x78, 0x61, 0x6d,
+    0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x3e,
+    0x20, 0x31, 0x32, 0x32, 0x37, 0x38, 0x31, 0x34,
+    0x32, 0x39, 0x37, 0x20, 0x2b, 0x30, 0x30, 0x30,
+    0x30, 0x0a, 0x0a, 0x41, 0x20, 0x6f, 0x6e, 0x65,
+    0x2d, 0x6c, 0x69, 0x6e, 0x65, 0x20, 0x63, 0x6f,
+    0x6d, 0x6d, 0x69, 0x74, 0x20, 0x73, 0x75, 0x6d,
+    0x6d, 0x61, 0x72, 0x79, 0x0a, 0x0a, 0x54, 0x68,
+    0x65, 0x20, 0x62, 0x6f, 0x64, 0x79, 0x20, 0x6f,
+    0x66, 0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6f,
+    0x6d, 0x6d, 0x69, 0x74, 0x20, 0x6d, 0x65, 0x73,
+    0x73, 0x61, 0x67, 0x65, 0x2c, 0x20, 0x63, 0x6f,
+    0x6e, 0x74, 0x61, 0x69, 0x6e, 0x69, 0x6e, 0x67,
+    0x20, 0x66, 0x75, 0x72, 0x74, 0x68, 0x65, 0x72,
+    0x20, 0x65, 0x78, 0x70, 0x6c, 0x61, 0x6e, 0x61,
+    0x74, 0x69, 0x6f, 0x6e, 0x0a, 0x6f, 0x66, 0x20,
+    0x74, 0x68, 0x65, 0x20, 0x70, 0x75, 0x72, 0x70,
+    0x6f, 0x73, 0x65, 0x20, 0x6f, 0x66, 0x20, 0x74,
+    0x68, 0x65, 0x20, 0x63, 0x68, 0x61, 0x6e, 0x67,
+    0x65, 0x73, 0x20, 0x69, 0x6e, 0x74, 0x72, 0x6f,
+    0x64, 0x75, 0x63, 0x65, 0x64, 0x20, 0x62, 0x79,
+    0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6f, 0x6d,
+    0x6d, 0x69, 0x74, 0x2e, 0x0a, 0x0a, 0x53, 0x69,
+    0x67, 0x6e, 0x65, 0x64, 0x2d, 0x6f, 0x66, 0x2d,
+    0x62, 0x79, 0x3a, 0x20, 0x41, 0x20, 0x55, 0x20,
+    0x54, 0x68, 0x6f, 0x72, 0x20, 0x3c, 0x61, 0x75,
+    0x74, 0x68, 0x6f, 0x72, 0x40, 0x65, 0x78, 0x61,
+    0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d,
+    0x3e, 0x0a,
+};
+
+
+static unsigned char tree_data[] = {
+    0x31, 0x30, 0x30, 0x36, 0x34, 0x34, 0x20, 0x6f,
+    0x6e, 0x65, 0x00, 0x8b, 0x13, 0x78, 0x91, 0x79,
+    0x1f, 0xe9, 0x69, 0x27, 0xad, 0x78, 0xe6, 0x4b,
+    0x0a, 0xad, 0x7b, 0xde, 0xd0, 0x8b, 0xdc, 0x31,
+    0x30, 0x30, 0x36, 0x34, 0x34, 0x20, 0x73, 0x6f,
+    0x6d, 0x65, 0x00, 0xfd, 0x84, 0x30, 0xbc, 0x86,
+    0x4c, 0xfc, 0xd5, 0xf1, 0x0e, 0x55, 0x90, 0xf8,
+    0xa4, 0x47, 0xe0, 0x1b, 0x94, 0x2b, 0xfe, 0x31,
+    0x30, 0x30, 0x36, 0x34, 0x34, 0x20, 0x74, 0x77,
+    0x6f, 0x00, 0x78, 0x98, 0x19, 0x22, 0x61, 0x3b,
+    0x2a, 0xfb, 0x60, 0x25, 0x04, 0x2f, 0xf6, 0xbd,
+    0x87, 0x8a, 0xc1, 0x99, 0x4e, 0x85, 0x31, 0x30,
+    0x30, 0x36, 0x34, 0x34, 0x20, 0x7a, 0x65, 0x72,
+    0x6f, 0x00, 0xe6, 0x9d, 0xe2, 0x9b, 0xb2, 0xd1,
+    0xd6, 0x43, 0x4b, 0x8b, 0x29, 0xae, 0x77, 0x5a,
+    0xd8, 0xc2, 0xe4, 0x8c, 0x53, 0x91,
+};
+
+static unsigned char tag_data[] = {
+    0x6f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x20, 0x33,
+    0x64, 0x37, 0x66, 0x38, 0x61, 0x36, 0x61, 0x66,
+    0x30, 0x37, 0x36, 0x63, 0x38, 0x63, 0x33, 0x66,
+    0x32, 0x30, 0x30, 0x37, 0x31, 0x61, 0x38, 0x39,
+    0x33, 0x35, 0x63, 0x64, 0x62, 0x65, 0x38, 0x32,
+    0x32, 0x38, 0x35, 0x39, 0x34, 0x64, 0x31, 0x0a,
+    0x74, 0x79, 0x70, 0x65, 0x20, 0x63, 0x6f, 0x6d,
+    0x6d, 0x69, 0x74, 0x0a, 0x74, 0x61, 0x67, 0x20,
+    0x76, 0x30, 0x2e, 0x30, 0x2e, 0x31, 0x0a, 0x74,
+    0x61, 0x67, 0x67, 0x65, 0x72, 0x20, 0x43, 0x20,
+    0x4f, 0x20, 0x4d, 0x69, 0x74, 0x74, 0x65, 0x72,
+    0x20, 0x3c, 0x63, 0x6f, 0x6d, 0x6d, 0x69, 0x74,
+    0x74, 0x65, 0x72, 0x40, 0x65, 0x78, 0x61, 0x6d,
+    0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x3e,
+    0x20, 0x31, 0x32, 0x32, 0x37, 0x38, 0x31, 0x34,
+    0x32, 0x39, 0x37, 0x20, 0x2b, 0x30, 0x30, 0x30,
+    0x30, 0x0a, 0x0a, 0x54, 0x68, 0x69, 0x73, 0x20,
+    0x69, 0x73, 0x20, 0x74, 0x68, 0x65, 0x20, 0x74,
+    0x61, 0x67, 0x20, 0x6f, 0x62, 0x6a, 0x65, 0x63,
+    0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x72, 0x65,
+    0x6c, 0x65, 0x61, 0x73, 0x65, 0x20, 0x76, 0x30,
+    0x2e, 0x30, 0x2e, 0x31, 0x0a,
+};
+
+/*
+ * Dummy data
+ */
+static unsigned char zero_data[] = {
+    0x00,
+};
+
+static unsigned char one_data[] = {
+    0x0a,
+};
+
+static unsigned char two_data[] = {
+    0x61, 0x0a,
+};
+
+static unsigned char some_data[] = {
+    0x2f, 0x2a, 0x0a, 0x20, 0x2a, 0x20, 0x54, 0x68,
+    0x69, 0x73, 0x20, 0x66, 0x69, 0x6c, 0x65, 0x20,
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+    0x72, 0x20, 0x6d, 0x6f, 0x72, 0x65, 0x20, 0x64,
+    0x65, 0x74, 0x61, 0x69, 0x6c, 0x73, 0x2e, 0x0a,
+    0x20, 0x2a, 0x0a, 0x20, 0x2a, 0x20, 0x59, 0x6f,
+    0x75, 0x20, 0x73, 0x68, 0x6f, 0x75, 0x6c, 0x64,
+    0x20, 0x68, 0x61, 0x76, 0x65, 0x20, 0x72, 0x65,
+    0x63, 0x65, 0x69, 0x76, 0x65, 0x64, 0x20, 0x61,
+    0x20, 0x63, 0x6f, 0x70, 0x79, 0x20, 0x6f, 0x66,
+    0x20, 0x74, 0x68, 0x65, 0x20, 0x47, 0x4e, 0x55,
+    0x20, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x6c,
+    0x20, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x20,
+    0x4c, 0x69, 0x63, 0x65, 0x6e, 0x73, 0x65, 0x0a,
+    0x20, 0x2a, 0x20, 0x61, 0x6c, 0x6f, 0x6e, 0x67,
+    0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x74, 0x68,
+    0x69, 0x73, 0x20, 0x70, 0x72, 0x6f, 0x67, 0x72,
+    0x61, 0x6d, 0x3b, 0x20, 0x73, 0x65, 0x65, 0x20,
+    0x74, 0x68, 0x65, 0x20, 0x66, 0x69, 0x6c, 0x65,
+    0x20, 0x43, 0x4f, 0x50, 0x59, 0x49, 0x4e, 0x47,
+    0x2e, 0x20, 0x20, 0x49, 0x66, 0x20, 0x6e, 0x6f,
+    0x74, 0x2c, 0x20, 0x77, 0x72, 0x69, 0x74, 0x65,
+    0x20, 0x74, 0x6f, 0x0a, 0x20, 0x2a, 0x20, 0x74,
+    0x68, 0x65, 0x20, 0x46, 0x72, 0x65, 0x65, 0x20,
+    0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65,
+    0x20, 0x46, 0x6f, 0x75, 0x6e, 0x64, 0x61, 0x74,
+    0x69, 0x6f, 0x6e, 0x2c, 0x20, 0x35, 0x31, 0x20,
+    0x46, 0x72, 0x61, 0x6e, 0x6b, 0x6c, 0x69, 0x6e,
+    0x20, 0x53, 0x74, 0x72, 0x65, 0x65, 0x74, 0x2c,
+    0x20, 0x46, 0x69, 0x66, 0x74, 0x68, 0x20, 0x46,
+    0x6c, 0x6f, 0x6f, 0x72, 0x2c, 0x0a, 0x20, 0x2a,
+    0x20, 0x42, 0x6f, 0x73, 0x74, 0x6f, 0x6e, 0x2c,
+    0x20, 0x4d, 0x41, 0x20, 0x30, 0x32, 0x31, 0x31,
+    0x30, 0x2d, 0x31, 0x33, 0x30, 0x31, 0x2c, 0x20,
+    0x55, 0x53, 0x41, 0x2e, 0x0a, 0x20, 0x2a, 0x2f,
+    0x0a,
+};
+
+/*
+ * SHA1 Hashes
+ */
+static char *commit_id = "3d7f8a6af076c8c3f20071a8935cdbe8228594d1";
+static char *tree_id = "dff2da90b254e1beb889d1f1f1288be1803782df";
+static char *tag_id = "09d373e1dfdc16b129ceec6dd649739911541e05";
+static char *zero_id = "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391";
+static char *one_id = "8b137891791fe96927ad78e64b0aad7bded08bdc";
+static char *two_id = "78981922613b2afb6025042ff6bd878ac1994e85";
+static char *some_id = "fd8430bc864cfcd5f10e5590f8a447e01b942bfe";
+
+/*
+ * In-memory objects
+ */
+static git_rawobj tree_obj = {
+	tree_data,
+	sizeof(tree_data),
+	GIT_OBJ_TREE
+};
+
+static git_rawobj tag_obj = {
+	tag_data,
+	sizeof(tag_data),
+	GIT_OBJ_TAG
+};
+
+static git_rawobj zero_obj = {
+	zero_data,
+	0,
+	GIT_OBJ_BLOB
+};
+
+static git_rawobj one_obj = {
+	one_data,
+	sizeof(one_data),
+	GIT_OBJ_BLOB
+};
+
+static git_rawobj two_obj = {
+	two_data,
+	sizeof(two_data),
+	GIT_OBJ_BLOB
+};
+
+static git_rawobj commit_obj = {
+	commit_data,
+	sizeof(commit_data),
+	GIT_OBJ_COMMIT
+};
+
+static git_rawobj some_obj = {
+	some_data,
+	sizeof(some_data),
+	GIT_OBJ_BLOB
+};
+
+static git_rawobj junk_obj = {
+	NULL,
+	0,
+	GIT_OBJ_BAD
+};
diff --git a/tests/object/raw/fromstr.c b/tests/object/raw/fromstr.c
new file mode 100644
index 000000000..8c11c105f
--- /dev/null
+++ b/tests/object/raw/fromstr.c
@@ -0,0 +1,30 @@
+
+#include "clar_libgit2.h"
+
+#include "odb.h"
+
+void test_object_raw_fromstr__fail_on_invalid_oid_string(void)
+{
+	git_oid out;
+	cl_git_fail(git_oid_fromstr(&out, ""));
+	cl_git_fail(git_oid_fromstr(&out, "moo"));
+	cl_git_fail(git_oid_fromstr(&out, "16a67770b7d8d72317c4b775213c23a8bd74f5ez"));
+}
+
+void test_object_raw_fromstr__succeed_on_valid_oid_string(void)
+{
+	git_oid out;
+	unsigned char exp[] = {
+		0x16, 0xa6, 0x77, 0x70, 0xb7,
+		0xd8, 0xd7, 0x23, 0x17, 0xc4,
+		0xb7, 0x75, 0x21, 0x3c, 0x23,
+		0xa8, 0xbd, 0x74, 0xf5, 0xe0,
+	};
+
+	cl_git_pass(git_oid_fromstr(&out, "16a67770b7d8d72317c4b775213c23a8bd74f5e0"));
+	cl_git_pass(memcmp(out.id, exp, sizeof(out.id)));
+
+	cl_git_pass(git_oid_fromstr(&out, "16A67770B7D8D72317C4b775213C23A8BD74F5E0"));
+	cl_git_pass(memcmp(out.id, exp, sizeof(out.id)));
+
+}
diff --git a/tests/object/raw/hash.c b/tests/object/raw/hash.c
new file mode 100644
index 000000000..ede31e145
--- /dev/null
+++ b/tests/object/raw/hash.c
@@ -0,0 +1,166 @@
+
+#include "clar_libgit2.h"
+
+#include "odb.h"
+#include "hash.h"
+
+#include "data.h"
+
+static void hash_object_pass(git_oid *oid, git_rawobj *obj)
+{
+	cl_git_pass(git_odb_hash(oid, obj->data, obj->len, obj->type));
+}
+static void hash_object_fail(git_oid *oid, git_rawobj *obj)
+{
+	cl_git_fail(git_odb_hash(oid, obj->data, obj->len, obj->type));
+}
+
+static char *hello_id = "22596363b3de40b06f981fb85d82312e8c0ed511";
+static char *hello_text = "hello world\n";
+
+static char *bye_id = "ce08fe4884650f067bd5703b6a59a8b3b3c99a09";
+static char *bye_text = "bye world\n";
+
+void test_object_raw_hash__hash_by_blocks(void)
+{
+	git_hash_ctx ctx;
+	git_oid id1, id2;
+
+	cl_git_pass(git_hash_ctx_init(&ctx));
+
+	/* should already be init'd */
+	cl_git_pass(git_hash_update(&ctx, hello_text, strlen(hello_text)));
+	cl_git_pass(git_hash_final(&id2, &ctx));
+	cl_git_pass(git_oid_fromstr(&id1, hello_id));
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+
+	/* reinit should permit reuse */
+	cl_git_pass(git_hash_init(&ctx));
+	cl_git_pass(git_hash_update(&ctx, bye_text, strlen(bye_text)));
+	cl_git_pass(git_hash_final(&id2, &ctx));
+	cl_git_pass(git_oid_fromstr(&id1, bye_id));
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+
+	git_hash_ctx_cleanup(&ctx);
+}
+
+void test_object_raw_hash__hash_buffer_in_single_call(void)
+{
+	git_oid id1, id2;
+
+	cl_git_pass(git_oid_fromstr(&id1, hello_id));
+	git_hash_buf(&id2, hello_text, strlen(hello_text));
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+}
+
+void test_object_raw_hash__hash_vector(void)
+{
+	git_oid id1, id2;
+	git_buf_vec vec[2];
+
+	cl_git_pass(git_oid_fromstr(&id1, hello_id));
+
+	vec[0].data = hello_text;
+	vec[0].len  = 4;
+	vec[1].data = hello_text+4;
+	vec[1].len  = strlen(hello_text)-4;
+
+	git_hash_vec(&id2, vec, 2);
+
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+}
+
+void test_object_raw_hash__hash_junk_data(void)
+{
+	git_oid id, id_zero;
+
+	cl_git_pass(git_oid_fromstr(&id_zero, zero_id));
+
+	/* invalid types: */
+	junk_obj.data = some_data;
+	hash_object_fail(&id, &junk_obj);
+
+	junk_obj.type = GIT_OBJ__EXT1;
+	hash_object_fail(&id, &junk_obj);
+
+	junk_obj.type = GIT_OBJ__EXT2;
+	hash_object_fail(&id, &junk_obj);
+
+	junk_obj.type = GIT_OBJ_OFS_DELTA;
+	hash_object_fail(&id, &junk_obj);
+
+	junk_obj.type = GIT_OBJ_REF_DELTA;
+	hash_object_fail(&id, &junk_obj);
+
+	/* data can be NULL only if len is zero: */
+	junk_obj.type = GIT_OBJ_BLOB;
+	junk_obj.data = NULL;
+	hash_object_pass(&id, &junk_obj);
+	cl_assert(git_oid_cmp(&id, &id_zero) == 0);
+
+	junk_obj.len = 1;
+	hash_object_fail(&id, &junk_obj);
+}
+
+void test_object_raw_hash__hash_commit_object(void)
+{
+	git_oid id1, id2;
+
+	cl_git_pass(git_oid_fromstr(&id1, commit_id));
+	hash_object_pass(&id2, &commit_obj);
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+}
+
+void test_object_raw_hash__hash_tree_object(void)
+{
+	git_oid id1, id2;
+
+	cl_git_pass(git_oid_fromstr(&id1, tree_id));
+	hash_object_pass(&id2, &tree_obj);
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+}
+
+void test_object_raw_hash__hash_tag_object(void)
+{
+	git_oid id1, id2;
+
+	cl_git_pass(git_oid_fromstr(&id1, tag_id));
+	hash_object_pass(&id2, &tag_obj);
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+}
+
+void test_object_raw_hash__hash_zero_length_object(void)
+{
+	git_oid id1, id2;
+
+	cl_git_pass(git_oid_fromstr(&id1, zero_id));
+	hash_object_pass(&id2, &zero_obj);
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+}
+
+void test_object_raw_hash__hash_one_byte_object(void)
+{
+	git_oid id1, id2;
+
+	cl_git_pass(git_oid_fromstr(&id1, one_id));
+	hash_object_pass(&id2, &one_obj);
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+}
+
+void test_object_raw_hash__hash_two_byte_object(void)
+{
+	git_oid id1, id2;
+
+	cl_git_pass(git_oid_fromstr(&id1, two_id));
+	hash_object_pass(&id2, &two_obj);
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+}
+
+void test_object_raw_hash__hash_multi_byte_object(void)
+{
+	git_oid id1, id2;
+
+	cl_git_pass(git_oid_fromstr(&id1, some_id));
+	hash_object_pass(&id2, &some_obj);
+	cl_assert(git_oid_cmp(&id1, &id2) == 0);
+}
diff --git a/tests/object/raw/short.c b/tests/object/raw/short.c
new file mode 100644
index 000000000..813cd86b6
--- /dev/null
+++ b/tests/object/raw/short.c
@@ -0,0 +1,137 @@
+
+#include "clar_libgit2.h"
+
+#include "odb.h"
+#include "hash.h"
+
+void test_object_raw_short__oid_shortener_no_duplicates(void)
+{
+	git_oid_shorten *os;
+	int min_len;
+
+	os = git_oid_shorten_new(0);
+	cl_assert(os != NULL);
+
+	git_oid_shorten_add(os, "22596363b3de40b06f981fb85d82312e8c0ed511");
+	git_oid_shorten_add(os, "ce08fe4884650f067bd5703b6a59a8b3b3c99a09");
+	git_oid_shorten_add(os, "16a0123456789abcdef4b775213c23a8bd74f5e0");
+	min_len = git_oid_shorten_add(os, "ce08fe4884650f067bd5703b6a59a8b3b3c99a09");
+
+	cl_assert(min_len == GIT_OID_HEXSZ + 1);
+
+	git_oid_shorten_free(os);
+}
+
+static int insert_sequential_oids(
+	char ***out, git_oid_shorten *os, int n, int fail)
+{
+	int i, min_len = 0;
+	char numbuf[16];
+	git_oid oid;
+	char **oids = git__calloc(n, sizeof(char *));
+	cl_assert(oids != NULL);
+
+	for (i = 0; i < n; ++i) {
+		p_snprintf(numbuf, sizeof(numbuf), "%u", (unsigned int)i);
+		git_hash_buf(&oid, numbuf, strlen(numbuf));
+
+		oids[i] = git__malloc(GIT_OID_HEXSZ + 1);
+		cl_assert(oids[i]);
+		git_oid_nfmt(oids[i], GIT_OID_HEXSZ + 1, &oid);
+
+		min_len = git_oid_shorten_add(os, oids[i]);
+
+		/* After "fail", we expect git_oid_shorten_add to fail */
+		if (fail >= 0 && i >= fail)
+            cl_assert(min_len < 0);
+		else
+            cl_assert(min_len >= 0);
+	}
+
+	*out = oids;
+
+	return min_len;
+}
+
+static void free_oids(int n, char **oids)
+{
+	int i;
+
+	for (i = 0; i < n; ++i) {
+		git__free(oids[i]);
+	}
+	git__free(oids);
+}
+
+void test_object_raw_short__oid_shortener_stresstest_git_oid_shorten(void)
+{
+#define MAX_OIDS 1000
+
+	git_oid_shorten *os;
+	size_t i, j;
+	int min_len = 0, found_collision;
+	char **oids;
+
+	os = git_oid_shorten_new(0);
+	cl_assert(os != NULL);
+
+	/*
+	 * Insert in the shortener 1000 unique SHA1 ids
+	 */
+	min_len = insert_sequential_oids(&oids, os, MAX_OIDS, MAX_OIDS);
+	cl_assert(min_len > 0);
+
+	/*
+	 * Compare the first `min_char - 1` characters of each
+	 * SHA1 OID. If the minimizer worked, we should find at
+	 * least one collision
+	 */
+	found_collision = 0;
+	for (i = 0; i < MAX_OIDS; ++i) {
+		for (j = i + 1; j < MAX_OIDS; ++j) {
+			if (memcmp(oids[i], oids[j], min_len - 1) == 0)
+				found_collision = 1;
+		}
+	}
+	cl_assert_equal_b(true, found_collision);
+
+	/*
+	 * Compare the first `min_char` characters of each
+	 * SHA1 OID. If the minimizer worked, every single preffix
+	 * should be unique.
+	 */
+	found_collision = 0;
+	for (i = 0; i < MAX_OIDS; ++i) {
+		for (j = i + 1; j < MAX_OIDS; ++j) {
+			if (memcmp(oids[i], oids[j], min_len) == 0)
+				found_collision = 1;
+		}
+	}
+	cl_assert_equal_b(false, found_collision);
+
+	/* cleanup */
+	free_oids(MAX_OIDS, oids);
+	git_oid_shorten_free(os);
+
+#undef MAX_OIDS
+}
+
+void test_object_raw_short__oid_shortener_too_much_oids(void)
+{
+    /* The magic number of oids at which an oid_shortener will fail.
+     * This was experimentally established. */
+#define MAX_OIDS 24556
+
+	git_oid_shorten *os;
+	char **oids;
+
+	os = git_oid_shorten_new(0);
+	cl_assert(os != NULL);
+
+	cl_assert(insert_sequential_oids(&oids, os, MAX_OIDS, MAX_OIDS - 1) < 0);
+
+	free_oids(MAX_OIDS, oids);
+	git_oid_shorten_free(os);
+
+#undef MAX_OIDS
+}
diff --git a/tests/object/raw/size.c b/tests/object/raw/size.c
new file mode 100644
index 000000000..930c6de23
--- /dev/null
+++ b/tests/object/raw/size.c
@@ -0,0 +1,13 @@
+
+#include "clar_libgit2.h"
+
+#include "odb.h"
+
+void test_object_raw_size__validate_oid_size(void)
+{
+	git_oid out;
+	cl_assert(20 == GIT_OID_RAWSZ);
+	cl_assert(40 == GIT_OID_HEXSZ);
+	cl_assert(sizeof(out) == GIT_OID_RAWSZ);
+	cl_assert(sizeof(out.id) == GIT_OID_RAWSZ);
+}
diff --git a/tests/object/raw/type2string.c b/tests/object/raw/type2string.c
new file mode 100644
index 000000000..a3585487f
--- /dev/null
+++ b/tests/object/raw/type2string.c
@@ -0,0 +1,54 @@
+
+#include "clar_libgit2.h"
+
+#include "odb.h"
+#include "hash.h"
+
+void test_object_raw_type2string__convert_type_to_string(void)
+{
+	cl_assert_equal_s(git_object_type2string(GIT_OBJ_BAD), "");
+	cl_assert_equal_s(git_object_type2string(GIT_OBJ__EXT1), "");
+	cl_assert_equal_s(git_object_type2string(GIT_OBJ_COMMIT), "commit");
+	cl_assert_equal_s(git_object_type2string(GIT_OBJ_TREE), "tree");
+	cl_assert_equal_s(git_object_type2string(GIT_OBJ_BLOB), "blob");
+	cl_assert_equal_s(git_object_type2string(GIT_OBJ_TAG), "tag");
+	cl_assert_equal_s(git_object_type2string(GIT_OBJ__EXT2), "");
+	cl_assert_equal_s(git_object_type2string(GIT_OBJ_OFS_DELTA), "OFS_DELTA");
+	cl_assert_equal_s(git_object_type2string(GIT_OBJ_REF_DELTA), "REF_DELTA");
+
+	cl_assert_equal_s(git_object_type2string(-2), "");
+	cl_assert_equal_s(git_object_type2string(8), "");
+	cl_assert_equal_s(git_object_type2string(1234), "");
+}
+
+void test_object_raw_type2string__convert_string_to_type(void)
+{
+	cl_assert(git_object_string2type(NULL) == GIT_OBJ_BAD);
+	cl_assert(git_object_string2type("") == GIT_OBJ_BAD);
+	cl_assert(git_object_string2type("commit") == GIT_OBJ_COMMIT);
+	cl_assert(git_object_string2type("tree") == GIT_OBJ_TREE);
+	cl_assert(git_object_string2type("blob") == GIT_OBJ_BLOB);
+	cl_assert(git_object_string2type("tag") == GIT_OBJ_TAG);
+	cl_assert(git_object_string2type("OFS_DELTA") == GIT_OBJ_OFS_DELTA);
+	cl_assert(git_object_string2type("REF_DELTA") == GIT_OBJ_REF_DELTA);
+
+	cl_assert(git_object_string2type("CoMmIt") == GIT_OBJ_BAD);
+	cl_assert(git_object_string2type("hohoho") == GIT_OBJ_BAD);
+}
+
+void test_object_raw_type2string__check_type_is_loose(void)
+{
+	cl_assert(git_object_typeisloose(GIT_OBJ_BAD) == 0);
+	cl_assert(git_object_typeisloose(GIT_OBJ__EXT1) == 0);
+	cl_assert(git_object_typeisloose(GIT_OBJ_COMMIT) == 1);
+	cl_assert(git_object_typeisloose(GIT_OBJ_TREE) == 1);
+	cl_assert(git_object_typeisloose(GIT_OBJ_BLOB) == 1);
+	cl_assert(git_object_typeisloose(GIT_OBJ_TAG) == 1);
+	cl_assert(git_object_typeisloose(GIT_OBJ__EXT2) == 0);
+	cl_assert(git_object_typeisloose(GIT_OBJ_OFS_DELTA) == 0);
+	cl_assert(git_object_typeisloose(GIT_OBJ_REF_DELTA) == 0);
+
+	cl_assert(git_object_typeisloose(-2) == 0);
+	cl_assert(git_object_typeisloose(8) == 0);
+	cl_assert(git_object_typeisloose(1234) == 0);
+}
diff --git a/tests/object/raw/write.c b/tests/object/raw/write.c
new file mode 100644
index 000000000..273f08f2c
--- /dev/null
+++ b/tests/object/raw/write.c
@@ -0,0 +1,462 @@
+#include "clar_libgit2.h"
+#include "git2/odb_backend.h"
+
+#include "fileops.h"
+#include "odb.h"
+
+typedef struct object_data {
+    char *id;     /* object id (sha1)                          */
+    char *dir;    /* object store (fan-out) directory name     */
+    char *file;   /* object store filename                     */
+} object_data;
+
+static const char *odb_dir = "test-objects";
+
+void test_body(object_data *d, git_rawobj *o);
+
+
+
+// Helpers
+static void remove_object_files(object_data *d)
+{
+   cl_git_pass(p_unlink(d->file));
+   cl_git_pass(p_rmdir(d->dir));
+   cl_assert(errno != ENOTEMPTY);
+   cl_git_pass(p_rmdir(odb_dir) < 0);
+}
+
+static void streaming_write(git_oid *oid, git_odb *odb, git_rawobj *raw)
+{
+   git_odb_stream *stream;
+   int error;
+
+   cl_git_pass(git_odb_open_wstream(&stream, odb, raw->len, raw->type));
+   git_odb_stream_write(stream, raw->data, raw->len);
+   error = git_odb_stream_finalize_write(oid, stream);
+   git_odb_stream_free(stream);
+   cl_git_pass(error);
+}
+
+static void check_object_files(object_data *d)
+{
+   cl_assert(git_path_exists(d->dir));
+   cl_assert(git_path_exists(d->file));
+}
+
+static void cmp_objects(git_rawobj *o1, git_rawobj *o2)
+{
+   cl_assert(o1->type == o2->type);
+   cl_assert(o1->len == o2->len);
+   if (o1->len > 0)
+      cl_assert(memcmp(o1->data, o2->data, o1->len) == 0);
+}
+
+static void make_odb_dir(void)
+{
+	cl_git_pass(p_mkdir(odb_dir, GIT_OBJECT_DIR_MODE));
+}
+
+
+// Standard test form
+void test_body(object_data *d, git_rawobj *o) 
+{
+   git_odb *db;
+   git_oid id1, id2;
+   git_odb_object *obj;
+   git_rawobj tmp;
+
+   make_odb_dir();
+   cl_git_pass(git_odb_open(&db, odb_dir));
+   cl_git_pass(git_oid_fromstr(&id1, d->id));
+
+   streaming_write(&id2, db, o);
+   cl_assert(git_oid_cmp(&id1, &id2) == 0);
+   check_object_files(d);
+
+   cl_git_pass(git_odb_read(&obj, db, &id1));
+
+   tmp.data = obj->buffer;
+   tmp.len = obj->cached.size;
+   tmp.type = obj->cached.type;
+
+   cmp_objects(&tmp, o);
+
+   git_odb_object_free(obj);
+   git_odb_free(db);
+   remove_object_files(d);
+}
+
+
+void test_object_raw_write__loose_object(void)
+{
+   object_data commit = {
+      "3d7f8a6af076c8c3f20071a8935cdbe8228594d1",
+      "test-objects/3d",
+      "test-objects/3d/7f8a6af076c8c3f20071a8935cdbe8228594d1",
+   };
+
+   unsigned char commit_data[] = {
+      0x74, 0x72, 0x65, 0x65, 0x20, 0x64, 0x66, 0x66,
+      0x32, 0x64, 0x61, 0x39, 0x30, 0x62, 0x32, 0x35,
+      0x34, 0x65, 0x31, 0x62, 0x65, 0x62, 0x38, 0x38,
+      0x39, 0x64, 0x31, 0x66, 0x31, 0x66, 0x31, 0x32,
+      0x38, 0x38, 0x62, 0x65, 0x31, 0x38, 0x30, 0x33,
+      0x37, 0x38, 0x32, 0x64, 0x66, 0x0a, 0x61, 0x75,
+      0x74, 0x68, 0x6f, 0x72, 0x20, 0x41, 0x20, 0x55,
+      0x20, 0x54, 0x68, 0x6f, 0x72, 0x20, 0x3c, 0x61,
+      0x75, 0x74, 0x68, 0x6f, 0x72, 0x40, 0x65, 0x78,
+      0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f,
+      0x6d, 0x3e, 0x20, 0x31, 0x32, 0x32, 0x37, 0x38,
+      0x31, 0x34, 0x32, 0x39, 0x37, 0x20, 0x2b, 0x30,
+      0x30, 0x30, 0x30, 0x0a, 0x63, 0x6f, 0x6d, 0x6d,
+      0x69, 0x74, 0x74, 0x65, 0x72, 0x20, 0x43, 0x20,
+      0x4f, 0x20, 0x4d, 0x69, 0x74, 0x74, 0x65, 0x72,
+      0x20, 0x3c, 0x63, 0x6f, 0x6d, 0x6d, 0x69, 0x74,
+      0x74, 0x65, 0x72, 0x40, 0x65, 0x78, 0x61, 0x6d,
+      0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x3e,
+      0x20, 0x31, 0x32, 0x32, 0x37, 0x38, 0x31, 0x34,
+      0x32, 0x39, 0x37, 0x20, 0x2b, 0x30, 0x30, 0x30,
+      0x30, 0x0a, 0x0a, 0x41, 0x20, 0x6f, 0x6e, 0x65,
+      0x2d, 0x6c, 0x69, 0x6e, 0x65, 0x20, 0x63, 0x6f,
+      0x6d, 0x6d, 0x69, 0x74, 0x20, 0x73, 0x75, 0x6d,
+      0x6d, 0x61, 0x72, 0x79, 0x0a, 0x0a, 0x54, 0x68,
+      0x65, 0x20, 0x62, 0x6f, 0x64, 0x79, 0x20, 0x6f,
+      0x66, 0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6f,
+      0x6d, 0x6d, 0x69, 0x74, 0x20, 0x6d, 0x65, 0x73,
+      0x73, 0x61, 0x67, 0x65, 0x2c, 0x20, 0x63, 0x6f,
+      0x6e, 0x74, 0x61, 0x69, 0x6e, 0x69, 0x6e, 0x67,
+      0x20, 0x66, 0x75, 0x72, 0x74, 0x68, 0x65, 0x72,
+      0x20, 0x65, 0x78, 0x70, 0x6c, 0x61, 0x6e, 0x61,
+      0x74, 0x69, 0x6f, 0x6e, 0x0a, 0x6f, 0x66, 0x20,
+      0x74, 0x68, 0x65, 0x20, 0x70, 0x75, 0x72, 0x70,
+      0x6f, 0x73, 0x65, 0x20, 0x6f, 0x66, 0x20, 0x74,
+      0x68, 0x65, 0x20, 0x63, 0x68, 0x61, 0x6e, 0x67,
+      0x65, 0x73, 0x20, 0x69, 0x6e, 0x74, 0x72, 0x6f,
+      0x64, 0x75, 0x63, 0x65, 0x64, 0x20, 0x62, 0x79,
+      0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6f, 0x6d,
+      0x6d, 0x69, 0x74, 0x2e, 0x0a, 0x0a, 0x53, 0x69,
+      0x67, 0x6e, 0x65, 0x64, 0x2d, 0x6f, 0x66, 0x2d,
+      0x62, 0x79, 0x3a, 0x20, 0x41, 0x20, 0x55, 0x20,
+      0x54, 0x68, 0x6f, 0x72, 0x20, 0x3c, 0x61, 0x75,
+      0x74, 0x68, 0x6f, 0x72, 0x40, 0x65, 0x78, 0x61,
+      0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d,
+      0x3e, 0x0a,
+   };
+
+   git_rawobj commit_obj = {
+      commit_data,
+      sizeof(commit_data),
+      GIT_OBJ_COMMIT
+   };
+
+   test_body(&commit, &commit_obj);
+}
+
+void test_object_raw_write__loose_tree(void)
+{
+   static object_data tree = {
+      "dff2da90b254e1beb889d1f1f1288be1803782df",
+      "test-objects/df",
+      "test-objects/df/f2da90b254e1beb889d1f1f1288be1803782df",
+   };
+
+   static unsigned char tree_data[] = {
+      0x31, 0x30, 0x30, 0x36, 0x34, 0x34, 0x20, 0x6f,
+      0x6e, 0x65, 0x00, 0x8b, 0x13, 0x78, 0x91, 0x79,
+      0x1f, 0xe9, 0x69, 0x27, 0xad, 0x78, 0xe6, 0x4b,
+      0x0a, 0xad, 0x7b, 0xde, 0xd0, 0x8b, 0xdc, 0x31,
+      0x30, 0x30, 0x36, 0x34, 0x34, 0x20, 0x73, 0x6f,
+      0x6d, 0x65, 0x00, 0xfd, 0x84, 0x30, 0xbc, 0x86,
+      0x4c, 0xfc, 0xd5, 0xf1, 0x0e, 0x55, 0x90, 0xf8,
+      0xa4, 0x47, 0xe0, 0x1b, 0x94, 0x2b, 0xfe, 0x31,
+      0x30, 0x30, 0x36, 0x34, 0x34, 0x20, 0x74, 0x77,
+      0x6f, 0x00, 0x78, 0x98, 0x19, 0x22, 0x61, 0x3b,
+      0x2a, 0xfb, 0x60, 0x25, 0x04, 0x2f, 0xf6, 0xbd,
+      0x87, 0x8a, 0xc1, 0x99, 0x4e, 0x85, 0x31, 0x30,
+      0x30, 0x36, 0x34, 0x34, 0x20, 0x7a, 0x65, 0x72,
+      0x6f, 0x00, 0xe6, 0x9d, 0xe2, 0x9b, 0xb2, 0xd1,
+      0xd6, 0x43, 0x4b, 0x8b, 0x29, 0xae, 0x77, 0x5a,
+      0xd8, 0xc2, 0xe4, 0x8c, 0x53, 0x91,
+   };
+
+   static git_rawobj tree_obj = {
+      tree_data,
+      sizeof(tree_data),
+      GIT_OBJ_TREE
+   };
+
+   test_body(&tree, &tree_obj);
+}
+
+void test_object_raw_write__loose_tag(void)
+{
+   static object_data tag = {
+      "09d373e1dfdc16b129ceec6dd649739911541e05",
+      "test-objects/09",
+      "test-objects/09/d373e1dfdc16b129ceec6dd649739911541e05",
+   };
+
+   static unsigned char tag_data[] = {
+      0x6f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x20, 0x33,
+      0x64, 0x37, 0x66, 0x38, 0x61, 0x36, 0x61, 0x66,
+      0x30, 0x37, 0x36, 0x63, 0x38, 0x63, 0x33, 0x66,
+      0x32, 0x30, 0x30, 0x37, 0x31, 0x61, 0x38, 0x39,
+      0x33, 0x35, 0x63, 0x64, 0x62, 0x65, 0x38, 0x32,
+      0x32, 0x38, 0x35, 0x39, 0x34, 0x64, 0x31, 0x0a,
+      0x74, 0x79, 0x70, 0x65, 0x20, 0x63, 0x6f, 0x6d,
+      0x6d, 0x69, 0x74, 0x0a, 0x74, 0x61, 0x67, 0x20,
+      0x76, 0x30, 0x2e, 0x30, 0x2e, 0x31, 0x0a, 0x74,
+      0x61, 0x67, 0x67, 0x65, 0x72, 0x20, 0x43, 0x20,
+      0x4f, 0x20, 0x4d, 0x69, 0x74, 0x74, 0x65, 0x72,
+      0x20, 0x3c, 0x63, 0x6f, 0x6d, 0x6d, 0x69, 0x74,
+      0x74, 0x65, 0x72, 0x40, 0x65, 0x78, 0x61, 0x6d,
+      0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x3e,
+      0x20, 0x31, 0x32, 0x32, 0x37, 0x38, 0x31, 0x34,
+      0x32, 0x39, 0x37, 0x20, 0x2b, 0x30, 0x30, 0x30,
+      0x30, 0x0a, 0x0a, 0x54, 0x68, 0x69, 0x73, 0x20,
+      0x69, 0x73, 0x20, 0x74, 0x68, 0x65, 0x20, 0x74,
+      0x61, 0x67, 0x20, 0x6f, 0x62, 0x6a, 0x65, 0x63,
+      0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x72, 0x65,
+      0x6c, 0x65, 0x61, 0x73, 0x65, 0x20, 0x76, 0x30,
+      0x2e, 0x30, 0x2e, 0x31, 0x0a,
+   };
+
+   static git_rawobj tag_obj = {
+      tag_data,
+      sizeof(tag_data),
+      GIT_OBJ_TAG
+   };
+
+
+   test_body(&tag, &tag_obj);
+}
+
+void test_object_raw_write__zero_length(void)
+{
+   static object_data zero = {
+      "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391",
+      "test-objects/e6",
+      "test-objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391",
+   };
+
+   static unsigned char zero_data[] = {
+      0x00  /* dummy data */
+   };
+
+   static git_rawobj zero_obj = {
+      zero_data,
+      0,
+      GIT_OBJ_BLOB
+   };
+
+   test_body(&zero, &zero_obj);
+}
+
+void test_object_raw_write__one_byte(void)
+{
+   static object_data one = {
+      "8b137891791fe96927ad78e64b0aad7bded08bdc",
+      "test-objects/8b",
+      "test-objects/8b/137891791fe96927ad78e64b0aad7bded08bdc",
+   };
+
+   static unsigned char one_data[] = {
+      0x0a,
+   };
+
+   static git_rawobj one_obj = {
+      one_data,
+      sizeof(one_data),
+      GIT_OBJ_BLOB
+   };
+
+   test_body(&one, &one_obj);
+}
+
+void test_object_raw_write__two_byte(void)
+{
+   static object_data two = {
+      "78981922613b2afb6025042ff6bd878ac1994e85",
+      "test-objects/78",
+      "test-objects/78/981922613b2afb6025042ff6bd878ac1994e85",
+   };
+
+   static unsigned char two_data[] = {
+      0x61, 0x0a,
+   };
+
+   static git_rawobj two_obj = {
+      two_data,
+      sizeof(two_data),
+      GIT_OBJ_BLOB
+   };
+
+   test_body(&two, &two_obj);
+}
+
+void test_object_raw_write__several_bytes(void)
+{
+   static object_data some = {
+      "fd8430bc864cfcd5f10e5590f8a447e01b942bfe",
+      "test-objects/fd",
+      "test-objects/fd/8430bc864cfcd5f10e5590f8a447e01b942bfe",
+   };
+
+   static unsigned char some_data[] = {
+      0x2f, 0x2a, 0x0a, 0x20, 0x2a, 0x20, 0x54, 0x68,
+      0x69, 0x73, 0x20, 0x66, 0x69, 0x6c, 0x65, 0x20,
+      0x69, 0x73, 0x20, 0x66, 0x72, 0x65, 0x65, 0x20,
+      0x73, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65,
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+      0x69, 0x6f, 0x6e, 0x20, 0x6f, 0x66, 0x20, 0x74,
+      0x68, 0x65, 0x20, 0x66, 0x69, 0x6c, 0x65, 0x2c,
+      0x20, 0x61, 0x6e, 0x64, 0x20, 0x64, 0x69, 0x73,
+      0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x69, 0x6f,
+      0x6e, 0x20, 0x77, 0x68, 0x65, 0x6e, 0x20, 0x6e,
+      0x6f, 0x74, 0x20, 0x6c, 0x69, 0x6e, 0x6b, 0x65,
+      0x64, 0x20, 0x69, 0x6e, 0x74, 0x6f, 0x0a, 0x20,
+      0x2a, 0x20, 0x61, 0x20, 0x63, 0x6f, 0x6d, 0x62,
+      0x69, 0x6e, 0x65, 0x64, 0x20, 0x65, 0x78, 0x65,
+      0x63, 0x75, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x2e,
+      0x29, 0x0a, 0x20, 0x2a, 0x0a, 0x20, 0x2a, 0x20,
+      0x54, 0x68, 0x69, 0x73, 0x20, 0x66, 0x69, 0x6c,
+      0x65, 0x20, 0x69, 0x73, 0x20, 0x64, 0x69, 0x73,
+      0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x64,
+      0x20, 0x69, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20,
+      0x68, 0x6f, 0x70, 0x65, 0x20, 0x74, 0x68, 0x61,
+      0x74, 0x20, 0x69, 0x74, 0x20, 0x77, 0x69, 0x6c,
+      0x6c, 0x20, 0x62, 0x65, 0x20, 0x75, 0x73, 0x65,
+      0x66, 0x75, 0x6c, 0x2c, 0x20, 0x62, 0x75, 0x74,
+      0x0a, 0x20, 0x2a, 0x20, 0x57, 0x49, 0x54, 0x48,
+      0x4f, 0x55, 0x54, 0x20, 0x41, 0x4e, 0x59, 0x20,
+      0x57, 0x41, 0x52, 0x52, 0x41, 0x4e, 0x54, 0x59,
+      0x3b, 0x20, 0x77, 0x69, 0x74, 0x68, 0x6f, 0x75,
+      0x74, 0x20, 0x65, 0x76, 0x65, 0x6e, 0x20, 0x74,
+      0x68, 0x65, 0x20, 0x69, 0x6d, 0x70, 0x6c, 0x69,
+      0x65, 0x64, 0x20, 0x77, 0x61, 0x72, 0x72, 0x61,
+      0x6e, 0x74, 0x79, 0x20, 0x6f, 0x66, 0x0a, 0x20,
+      0x2a, 0x20, 0x4d, 0x45, 0x52, 0x43, 0x48, 0x41,
+      0x4e, 0x54, 0x41, 0x42, 0x49, 0x4c, 0x49, 0x54,
+      0x59, 0x20, 0x6f, 0x72, 0x20, 0x46, 0x49, 0x54,
+      0x4e, 0x45, 0x53, 0x53, 0x20, 0x46, 0x4f, 0x52,
+      0x20, 0x41, 0x20, 0x50, 0x41, 0x52, 0x54, 0x49,
+      0x43, 0x55, 0x4c, 0x41, 0x52, 0x20, 0x50, 0x55,
+      0x52, 0x50, 0x4f, 0x53, 0x45, 0x2e, 0x20, 0x20,
+      0x53, 0x65, 0x65, 0x20, 0x74, 0x68, 0x65, 0x20,
+      0x47, 0x4e, 0x55, 0x0a, 0x20, 0x2a, 0x20, 0x47,
+      0x65, 0x6e, 0x65, 0x72, 0x61, 0x6c, 0x20, 0x50,
+      0x75, 0x62, 0x6c, 0x69, 0x63, 0x20, 0x4c, 0x69,
+      0x63, 0x65, 0x6e, 0x73, 0x65, 0x20, 0x66, 0x6f,
+      0x72, 0x20, 0x6d, 0x6f, 0x72, 0x65, 0x20, 0x64,
+      0x65, 0x74, 0x61, 0x69, 0x6c, 0x73, 0x2e, 0x0a,
+      0x20, 0x2a, 0x0a, 0x20, 0x2a, 0x20, 0x59, 0x6f,
+      0x75, 0x20, 0x73, 0x68, 0x6f, 0x75, 0x6c, 0x64,
+      0x20, 0x68, 0x61, 0x76, 0x65, 0x20, 0x72, 0x65,
+      0x63, 0x65, 0x69, 0x76, 0x65, 0x64, 0x20, 0x61,
+      0x20, 0x63, 0x6f, 0x70, 0x79, 0x20, 0x6f, 0x66,
+      0x20, 0x74, 0x68, 0x65, 0x20, 0x47, 0x4e, 0x55,
+      0x20, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x6c,
+      0x20, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x20,
+      0x4c, 0x69, 0x63, 0x65, 0x6e, 0x73, 0x65, 0x0a,
+      0x20, 0x2a, 0x20, 0x61, 0x6c, 0x6f, 0x6e, 0x67,
+      0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x74, 0x68,
+      0x69, 0x73, 0x20, 0x70, 0x72, 0x6f, 0x67, 0x72,
+      0x61, 0x6d, 0x3b, 0x20, 0x73, 0x65, 0x65, 0x20,
+      0x74, 0x68, 0x65, 0x20, 0x66, 0x69, 0x6c, 0x65,
+      0x20, 0x43, 0x4f, 0x50, 0x59, 0x49, 0x4e, 0x47,
+      0x2e, 0x20, 0x20, 0x49, 0x66, 0x20, 0x6e, 0x6f,
+      0x74, 0x2c, 0x20, 0x77, 0x72, 0x69, 0x74, 0x65,
+      0x20, 0x74, 0x6f, 0x0a, 0x20, 0x2a, 0x20, 0x74,
+      0x68, 0x65, 0x20, 0x46, 0x72, 0x65, 0x65, 0x20,
+      0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65,
+      0x20, 0x46, 0x6f, 0x75, 0x6e, 0x64, 0x61, 0x74,
+      0x69, 0x6f, 0x6e, 0x2c, 0x20, 0x35, 0x31, 0x20,
+      0x46, 0x72, 0x61, 0x6e, 0x6b, 0x6c, 0x69, 0x6e,
+      0x20, 0x53, 0x74, 0x72, 0x65, 0x65, 0x74, 0x2c,
+      0x20, 0x46, 0x69, 0x66, 0x74, 0x68, 0x20, 0x46,
+      0x6c, 0x6f, 0x6f, 0x72, 0x2c, 0x0a, 0x20, 0x2a,
+      0x20, 0x42, 0x6f, 0x73, 0x74, 0x6f, 0x6e, 0x2c,
+      0x20, 0x4d, 0x41, 0x20, 0x30, 0x32, 0x31, 0x31,
+      0x30, 0x2d, 0x31, 0x33, 0x30, 0x31, 0x2c, 0x20,
+      0x55, 0x53, 0x41, 0x2e, 0x0a, 0x20, 0x2a, 0x2f,
+      0x0a,
+   };
+
+   static git_rawobj some_obj = {
+      some_data,
+      sizeof(some_data),
+      GIT_OBJ_BLOB
+   };
+
+   test_body(&some, &some_obj);
+}
diff --git a/tests/object/tag/list.c b/tests/object/tag/list.c
new file mode 100644
index 000000000..6d5a24347
--- /dev/null
+++ b/tests/object/tag/list.c
@@ -0,0 +1,115 @@
+#include "clar_libgit2.h"
+
+#include "tag.h"
+
+static git_repository *g_repo;
+
+#define MAX_USED_TAGS 6
+
+struct pattern_match_t
+{
+	const char* pattern;
+	const size_t expected_matches;
+	const char* expected_results[MAX_USED_TAGS];
+};
+
+// Helpers
+static void ensure_tag_pattern_match(git_repository *repo,
+									 const struct pattern_match_t* data)
+{
+	int already_found[MAX_USED_TAGS] = { 0 };
+	git_strarray tag_list;
+	int error = 0;
+	size_t sucessfully_found = 0;
+	size_t i, j;
+
+	cl_assert(data->expected_matches <= MAX_USED_TAGS);
+
+	if ((error = git_tag_list_match(&tag_list, data->pattern, repo)) < 0)
+		goto exit;
+
+	if (tag_list.count != data->expected_matches)
+	{
+		error = GIT_ERROR;
+		goto exit;
+	}
+
+	// we have to be prepared that tags come in any order.
+	for (i = 0; i < tag_list.count; i++)
+	{
+		for (j = 0; j < data->expected_matches; j++)
+		{
+			if (!already_found[j] && !strcmp(data->expected_results[j], tag_list.strings[i]))
+			{
+				already_found[j] = 1;
+				sucessfully_found++;
+				break;
+			}
+		}
+	}
+	cl_assert_equal_i((int)sucessfully_found, (int)data->expected_matches);
+
+exit:
+	git_strarray_free(&tag_list);
+	cl_git_pass(error);
+}
+
+// Fixture setup and teardown
+void test_object_tag_list__initialize(void)
+{
+	g_repo = cl_git_sandbox_init("testrepo");
+}
+
+void test_object_tag_list__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+void test_object_tag_list__list_all(void)
+{
+	// list all tag names from the repository
+	git_strarray tag_list;
+
+	cl_git_pass(git_tag_list(&tag_list, g_repo));
+
+	cl_assert_equal_i((int)tag_list.count, 6);
+
+	git_strarray_free(&tag_list);
+}
+
+static const struct pattern_match_t matches[] = {
+	// All tags, including a packed one and two namespaced ones.
+	{ "", 6, { "e90810b", "point_to_blob", "test", "packed-tag", "foo/bar", "foo/foo/bar" } },
+
+	// beginning with
+	{ "t*", 1, { "test" } },
+
+	// ending with
+	{ "*b", 2, { "e90810b", "point_to_blob" } },
+
+	// exact match
+	{ "e", 0 },
+	{ "e90810b", 1, { "e90810b" } },
+
+	// either or
+	{ "e90810[ab]", 1, { "e90810b" } },
+
+	// glob in the middle
+	{ "foo/*/bar", 1, { "foo/foo/bar" } },
+
+	// The matching of '*' is based on plain string matching analog to the regular expression ".*"
+	// => a '/' in the tag name has no special meaning.
+	// Compare to `git tag -l "*bar"`
+	{ "*bar", 2, { "foo/bar", "foo/foo/bar" } },
+
+	// End of list
+	{ NULL }
+};
+
+void test_object_tag_list__list_by_pattern(void)
+{
+	// list all tag names from the repository matching a specified pattern
+	size_t i = 0;
+	while (matches[i].pattern)
+		ensure_tag_pattern_match(g_repo, &matches[i++]);
+}
diff --git a/tests/object/tag/peel.c b/tests/object/tag/peel.c
new file mode 100644
index 000000000..e2cd8d6a8
--- /dev/null
+++ b/tests/object/tag/peel.c
@@ -0,0 +1,61 @@
+#include "clar_libgit2.h"
+#include "tag.h"
+
+static git_repository *repo;
+static git_tag *tag;
+static git_object *target;
+
+void test_object_tag_peel__initialize(void)
+{
+	cl_fixture_sandbox("testrepo.git");
+	cl_git_pass(git_repository_open(&repo, "testrepo.git"));
+}
+
+void test_object_tag_peel__cleanup(void)
+{
+	git_tag_free(tag);
+	tag = NULL;
+
+	git_object_free(target);
+	target = NULL;
+
+	git_repository_free(repo);
+	repo = NULL;
+
+	cl_fixture_cleanup("testrepo.git");
+}
+
+static void retrieve_tag_from_oid(git_tag **tag_out, git_repository *repo, const char *sha)
+{
+	git_oid oid;
+	
+	cl_git_pass(git_oid_fromstr(&oid, sha));
+	cl_git_pass(git_tag_lookup(tag_out, repo, &oid));
+}
+
+void test_object_tag_peel__can_peel_to_a_commit(void)
+{
+	retrieve_tag_from_oid(&tag, repo, "7b4384978d2493e851f9cca7858815fac9b10980");
+
+	cl_git_pass(git_tag_peel(&target, tag));
+	cl_assert(git_object_type(target) == GIT_OBJ_COMMIT);
+	cl_git_pass(git_oid_streq(git_object_id(target), "e90810b8df3e80c413d903f631643c716887138d"));
+}
+
+void test_object_tag_peel__can_peel_several_nested_tags_to_a_commit(void)
+{
+	retrieve_tag_from_oid(&tag, repo, "b25fa35b38051e4ae45d4222e795f9df2e43f1d1");
+
+	cl_git_pass(git_tag_peel(&target, tag));
+	cl_assert(git_object_type(target) == GIT_OBJ_COMMIT);
+	cl_git_pass(git_oid_streq(git_object_id(target), "e90810b8df3e80c413d903f631643c716887138d"));
+}
+
+void test_object_tag_peel__can_peel_to_a_non_commit(void)
+{
+	retrieve_tag_from_oid(&tag, repo, "521d87c1ec3aef9824daf6d96cc0ae3710766d91");
+
+	cl_git_pass(git_tag_peel(&target, tag));
+	cl_assert(git_object_type(target) == GIT_OBJ_BLOB);
+	cl_git_pass(git_oid_streq(git_object_id(target), "1385f264afb75a56a5bec74243be9b367ba4ca08"));	
+}
diff --git a/tests/object/tag/read.c b/tests/object/tag/read.c
new file mode 100644
index 000000000..c9787a413
--- /dev/null
+++ b/tests/object/tag/read.c
@@ -0,0 +1,142 @@
+#include "clar_libgit2.h"
+
+#include "tag.h"
+
+static const char *tag1_id = "b25fa35b38051e4ae45d4222e795f9df2e43f1d1";
+static const char *tag2_id = "7b4384978d2493e851f9cca7858815fac9b10980";
+static const char *tagged_commit = "e90810b8df3e80c413d903f631643c716887138d";
+static const char *bad_tag_id = "eda9f45a2a98d4c17a09d681d88569fa4ea91755";
+static const char *badly_tagged_commit = "e90810b8df3e80c413d903f631643c716887138d";
+static const char *short_tag_id = "5da7760512a953e3c7c4e47e4392c7a4338fb729";
+static const char *short_tagged_commit = "4a5ed60bafcf4638b7c8356bd4ce1916bfede93c";
+static const char *taggerless = "4a23e2e65ad4e31c4c9db7dc746650bfad082679";
+
+static git_repository *g_repo;
+
+// Fixture setup and teardown
+void test_object_tag_read__initialize(void)
+{
+	g_repo = cl_git_sandbox_init("testrepo");
+}
+
+void test_object_tag_read__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+
+void test_object_tag_read__parse(void)
+{
+	// read and parse a tag from the repository
+	git_tag *tag1, *tag2;
+	git_commit *commit;
+	git_oid id1, id2, id_commit;
+
+	git_oid_fromstr(&id1, tag1_id);
+	git_oid_fromstr(&id2, tag2_id);
+	git_oid_fromstr(&id_commit, tagged_commit);
+
+	cl_git_pass(git_tag_lookup(&tag1, g_repo, &id1));
+
+	cl_assert_equal_s(git_tag_name(tag1), "test");
+	cl_assert(git_tag_target_type(tag1) == GIT_OBJ_TAG);
+
+	cl_git_pass(git_tag_target((git_object **)&tag2, tag1));
+	cl_assert(tag2 != NULL);
+
+	cl_assert(git_oid_cmp(&id2, git_tag_id(tag2)) == 0);
+
+	cl_git_pass(git_tag_target((git_object **)&commit, tag2));
+	cl_assert(commit != NULL);
+
+	cl_assert(git_oid_cmp(&id_commit, git_commit_id(commit)) == 0);
+
+	git_tag_free(tag1);
+	git_tag_free(tag2);
+	git_commit_free(commit);
+}
+
+void test_object_tag_read__parse_without_tagger(void)
+{
+	// read and parse a tag without a tagger field
+	git_repository *bad_tag_repo;
+	git_tag *bad_tag;
+	git_commit *commit;
+	git_oid id, id_commit;
+
+	// TODO: This is a little messy
+	cl_git_pass(git_repository_open(&bad_tag_repo, cl_fixture("bad_tag.git")));
+
+	git_oid_fromstr(&id, bad_tag_id);
+	git_oid_fromstr(&id_commit, badly_tagged_commit);
+
+	cl_git_pass(git_tag_lookup(&bad_tag, bad_tag_repo, &id));
+	cl_assert(bad_tag != NULL);
+
+	cl_assert_equal_s(git_tag_name(bad_tag), "e90810b");
+	cl_assert(git_oid_cmp(&id, git_tag_id(bad_tag)) == 0);
+	cl_assert(bad_tag->tagger == NULL);
+
+	cl_git_pass(git_tag_target((git_object **)&commit, bad_tag));
+	cl_assert(commit != NULL);
+
+	cl_assert(git_oid_cmp(&id_commit, git_commit_id(commit)) == 0);
+
+
+	git_tag_free(bad_tag);
+	git_commit_free(commit);
+	git_repository_free(bad_tag_repo);
+}
+
+void test_object_tag_read__parse_without_message(void)
+{
+	// read and parse a tag without a message field
+	git_repository *short_tag_repo;
+	git_tag *short_tag;
+	git_commit *commit;
+	git_oid id, id_commit;
+
+	// TODO: This is a little messy
+	cl_git_pass(git_repository_open(&short_tag_repo, cl_fixture("short_tag.git")));
+
+	git_oid_fromstr(&id, short_tag_id);
+	git_oid_fromstr(&id_commit, short_tagged_commit);
+
+	cl_git_pass(git_tag_lookup(&short_tag, short_tag_repo, &id));
+	cl_assert(short_tag != NULL);
+
+	cl_assert_equal_s(git_tag_name(short_tag), "no_description");
+	cl_assert(git_oid_cmp(&id, git_tag_id(short_tag)) == 0);
+	cl_assert(short_tag->message == NULL);
+
+	cl_git_pass(git_tag_target((git_object **)&commit, short_tag));
+	cl_assert(commit != NULL);
+
+	cl_assert(git_oid_cmp(&id_commit, git_commit_id(commit)) == 0);
+
+	git_tag_free(short_tag);
+	git_commit_free(commit);
+	git_repository_free(short_tag_repo);
+}
+
+void test_object_tag_read__without_tagger_nor_message(void)
+{
+	git_tag *tag;
+	git_oid id;
+	git_repository *repo;
+
+	cl_git_pass(git_repository_open(&repo, cl_fixture("testrepo.git")));
+
+	cl_git_pass(git_oid_fromstr(&id, taggerless));
+
+	cl_git_pass(git_tag_lookup(&tag, repo, &id));
+
+	cl_assert_equal_s(git_tag_name(tag), "taggerless");
+	cl_assert(git_tag_target_type(tag) == GIT_OBJ_COMMIT);
+
+	cl_assert(tag->message == NULL);
+	cl_assert(tag->tagger == NULL);
+
+	git_tag_free(tag);
+	git_repository_free(repo);
+}
diff --git a/tests/object/tag/write.c b/tests/object/tag/write.c
new file mode 100644
index 000000000..68e4b6c61
--- /dev/null
+++ b/tests/object/tag/write.c
@@ -0,0 +1,260 @@
+#include "clar_libgit2.h"
+
+static const char* tagger_name = "Vicent Marti";
+static const char* tagger_email = "vicent@github.com";
+static const char* tagger_message = "This is my tag.\n\nThere are many tags, but this one is mine\n";
+
+static const char *tag2_id = "7b4384978d2493e851f9cca7858815fac9b10980";
+static const char *tagged_commit = "e90810b8df3e80c413d903f631643c716887138d";
+
+static git_repository *g_repo;
+
+// Fixture setup and teardown
+void test_object_tag_write__initialize(void)
+{
+   g_repo = cl_git_sandbox_init("testrepo");
+}
+
+void test_object_tag_write__cleanup(void)
+{
+   cl_git_sandbox_cleanup();
+}
+
+void test_object_tag_write__basic(void)
+{
+   // write a tag to the repository and read it again
+	git_tag *tag;
+	git_oid target_id, tag_id;
+	git_signature *tagger;
+	const git_signature *tagger1;
+	git_reference *ref_tag;
+	git_object *target;
+
+	git_oid_fromstr(&target_id, tagged_commit);
+	cl_git_pass(git_object_lookup(&target, g_repo, &target_id, GIT_OBJ_COMMIT));
+
+	/* create signature */
+	cl_git_pass(git_signature_new(&tagger, tagger_name, tagger_email, 123456789, 60));
+
+	cl_git_pass(
+		git_tag_create(&tag_id, g_repo,
+		  "the-tag", target, tagger, tagger_message, 0)
+	);
+
+	git_object_free(target);
+	git_signature_free(tagger);
+
+	cl_git_pass(git_tag_lookup(&tag, g_repo, &tag_id));
+	cl_assert(git_oid_cmp(git_tag_target_id(tag), &target_id) == 0);
+
+	/* Check attributes were set correctly */
+	tagger1 = git_tag_tagger(tag);
+	cl_assert(tagger1 != NULL);
+	cl_assert_equal_s(tagger1->name, tagger_name);
+	cl_assert_equal_s(tagger1->email, tagger_email);
+	cl_assert(tagger1->when.time == 123456789);
+	cl_assert(tagger1->when.offset == 60);
+
+	cl_assert_equal_s(git_tag_message(tag), tagger_message);
+
+	cl_git_pass(git_reference_lookup(&ref_tag, g_repo, "refs/tags/the-tag"));
+	cl_assert(git_oid_cmp(git_reference_target(ref_tag), &tag_id) == 0);
+	cl_git_pass(git_reference_delete(ref_tag));
+	git_reference_free(ref_tag);
+
+	git_tag_free(tag);
+}
+
+void test_object_tag_write__overwrite(void)
+{
+   // Attempt to write a tag bearing the same name than an already existing tag
+	git_oid target_id, tag_id;
+	git_signature *tagger;
+	git_object *target;
+
+	git_oid_fromstr(&target_id, tagged_commit);
+	cl_git_pass(git_object_lookup(&target, g_repo, &target_id, GIT_OBJ_COMMIT));
+
+	/* create signature */
+	cl_git_pass(git_signature_new(&tagger, tagger_name, tagger_email, 123456789, 60));
+
+	cl_assert_equal_i(GIT_EEXISTS, git_tag_create(
+                              &tag_id, /* out id */
+                              g_repo,
+                              "e90810b",
+                              target,
+                              tagger,
+                              tagger_message,
+                              0));
+
+	git_object_free(target);
+	git_signature_free(tagger);
+}
+
+void test_object_tag_write__replace(void)
+{
+   // Replace an already existing tag
+	git_oid target_id, tag_id, old_tag_id;
+	git_signature *tagger;
+	git_reference *ref_tag;
+	git_object *target;
+
+	git_oid_fromstr(&target_id, tagged_commit);
+	cl_git_pass(git_object_lookup(&target, g_repo, &target_id, GIT_OBJ_COMMIT));
+
+	cl_git_pass(git_reference_lookup(&ref_tag, g_repo, "refs/tags/e90810b"));
+	git_oid_cpy(&old_tag_id, git_reference_target(ref_tag));
+	git_reference_free(ref_tag);
+
+	/* create signature */
+	cl_git_pass(git_signature_new(&tagger, tagger_name, tagger_email, 123456789, 60));
+
+	cl_git_pass(git_tag_create(
+                              &tag_id, /* out id */
+                              g_repo,
+                              "e90810b",
+                              target,
+                              tagger,
+                              tagger_message,
+                              1));
+
+	git_object_free(target);
+	git_signature_free(tagger);
+
+	cl_git_pass(git_reference_lookup(&ref_tag, g_repo, "refs/tags/e90810b"));
+	cl_assert(git_oid_cmp(git_reference_target(ref_tag), &tag_id) == 0);
+	cl_assert(git_oid_cmp(git_reference_target(ref_tag), &old_tag_id) != 0);
+
+	git_reference_free(ref_tag);
+}
+
+void test_object_tag_write__lightweight(void)
+{
+   // write a lightweight tag to the repository and read it again
+	git_oid target_id, object_id;
+	git_reference *ref_tag;
+	git_object *target;
+
+	git_oid_fromstr(&target_id, tagged_commit);
+	cl_git_pass(git_object_lookup(&target, g_repo, &target_id, GIT_OBJ_COMMIT));
+
+	cl_git_pass(git_tag_create_lightweight(
+                                          &object_id,
+                                          g_repo,
+                                          "light-tag",
+                                          target,
+                                          0));
+
+	git_object_free(target);
+
+	cl_assert(git_oid_cmp(&object_id, &target_id) == 0);
+
+	cl_git_pass(git_reference_lookup(&ref_tag, g_repo, "refs/tags/light-tag"));
+	cl_assert(git_oid_cmp(git_reference_target(ref_tag), &target_id) == 0);
+
+	cl_git_pass(git_tag_delete(g_repo, "light-tag"));
+
+	git_reference_free(ref_tag);
+}
+
+void test_object_tag_write__lightweight_over_existing(void)
+{
+   // Attempt to write a lightweight tag bearing the same name than an already existing tag
+	git_oid target_id, object_id, existing_object_id;
+	git_object *target;
+
+	git_oid_fromstr(&target_id, tagged_commit);
+	cl_git_pass(git_object_lookup(&target, g_repo, &target_id, GIT_OBJ_COMMIT));
+
+	cl_assert_equal_i(GIT_EEXISTS, git_tag_create_lightweight(
+                                          &object_id,
+                                          g_repo,
+                                          "e90810b",
+                                          target,
+                                          0));
+
+	git_oid_fromstr(&existing_object_id, tag2_id);
+	cl_assert(git_oid_cmp(&object_id, &existing_object_id) == 0);
+
+	git_object_free(target);
+}
+
+void test_object_tag_write__delete(void)
+{
+   // Delete an already existing tag
+	git_reference *ref_tag;
+
+	cl_git_pass(git_tag_delete(g_repo, "e90810b"));
+
+	cl_git_fail(git_reference_lookup(&ref_tag, g_repo, "refs/tags/e90810b"));
+
+	git_reference_free(ref_tag);
+}
+
+void test_object_tag_write__creating_with_an_invalid_name_returns_EINVALIDSPEC(void)
+{
+	git_oid target_id, tag_id;
+	git_signature *tagger;
+	git_object *target;
+
+	git_oid_fromstr(&target_id, tagged_commit);
+	cl_git_pass(git_object_lookup(&target, g_repo, &target_id, GIT_OBJ_COMMIT));
+
+	cl_git_pass(git_signature_new(&tagger, tagger_name, tagger_email, 123456789, 60));
+
+	cl_assert_equal_i(GIT_EINVALIDSPEC,
+		git_tag_create(&tag_id, g_repo,
+		  "Inv@{id", target, tagger, tagger_message, 0)
+	);
+
+	cl_assert_equal_i(GIT_EINVALIDSPEC,
+		git_tag_create_lightweight(&tag_id, g_repo,
+		  "Inv@{id", target, 0)
+	);
+
+	git_object_free(target);
+	git_signature_free(tagger);
+}
+
+void test_object_tag_write__deleting_with_an_invalid_name_returns_EINVALIDSPEC(void)
+{
+	cl_assert_equal_i(GIT_EINVALIDSPEC, git_tag_delete(g_repo, "Inv@{id"));
+}
+
+void create_annotation(git_oid *tag_id, const char *name)
+{
+	git_object *target;
+	git_oid target_id;
+	git_signature *tagger;
+
+	cl_git_pass(git_signature_new(&tagger, tagger_name, tagger_email, 123456789, 60));
+
+	git_oid_fromstr(&target_id, tagged_commit);
+	cl_git_pass(git_object_lookup(&target, g_repo, &target_id, GIT_OBJ_COMMIT));
+
+	cl_git_pass(git_tag_annotation_create(tag_id, g_repo, name, target, tagger, "boom!"));
+	git_object_free(target);
+	git_signature_free(tagger);
+}
+
+void test_object_tag_write__creating_an_annotation_stores_the_new_object_in_the_odb(void)
+{
+	git_oid tag_id;
+	git_tag *tag;
+
+	create_annotation(&tag_id, "new_tag");
+
+	cl_git_pass(git_tag_lookup(&tag, g_repo, &tag_id));
+	cl_assert_equal_s("new_tag", git_tag_name(tag));
+
+	git_tag_free(tag);
+}
+
+void test_object_tag_write__creating_an_annotation_does_not_create_a_reference(void)
+{
+	git_oid tag_id;
+	git_reference *tag_ref;
+
+	create_annotation(&tag_id, "new_tag");
+	cl_git_fail_with(git_reference_lookup(&tag_ref, g_repo, "refs/tags/new_tag"), GIT_ENOTFOUND);
+}
diff --git a/tests/object/tree/attributes.c b/tests/object/tree/attributes.c
new file mode 100644
index 000000000..85216cd1b
--- /dev/null
+++ b/tests/object/tree/attributes.c
@@ -0,0 +1,115 @@
+#include "clar_libgit2.h"
+#include "tree.h"
+
+static const char *blob_oid = "3d0970ec547fc41ef8a5882dde99c6adce65b021";
+static const char *tree_oid  = "1b05fdaa881ee45b48cbaa5e9b037d667a47745e";
+
+void test_object_tree_attributes__ensure_correctness_of_attributes_on_insertion(void)
+{
+	git_treebuilder *builder;
+	git_oid oid;
+
+	cl_git_pass(git_oid_fromstr(&oid, blob_oid));
+
+	cl_git_pass(git_treebuilder_create(&builder, NULL));
+
+	cl_git_fail(git_treebuilder_insert(NULL, builder, "one.txt", &oid, (git_filemode_t)0777777));
+	cl_git_fail(git_treebuilder_insert(NULL, builder, "one.txt", &oid, (git_filemode_t)0100666));
+	cl_git_fail(git_treebuilder_insert(NULL, builder, "one.txt", &oid, (git_filemode_t)0000001));
+
+	git_treebuilder_free(builder);
+}
+
+void test_object_tree_attributes__group_writable_tree_entries_created_with_an_antique_git_version_can_still_be_accessed(void)
+{
+	git_repository *repo;
+	git_oid tid;
+	git_tree *tree;
+	const git_tree_entry *entry;
+
+	cl_git_pass(git_repository_open(&repo, cl_fixture("deprecated-mode.git")));
+
+	cl_git_pass(git_oid_fromstr(&tid, tree_oid));
+	cl_git_pass(git_tree_lookup(&tree, repo, &tid));
+
+	entry = git_tree_entry_byname(tree, "old_mode.txt");
+	cl_assert_equal_i(
+		GIT_FILEMODE_BLOB,
+		git_tree_entry_filemode(entry));
+
+	git_tree_free(tree);
+	git_repository_free(repo);
+}
+
+void test_object_tree_attributes__treebuilder_reject_invalid_filemode(void)
+{
+	git_treebuilder *builder;
+	git_oid bid;
+	const git_tree_entry *entry;
+
+	cl_git_pass(git_oid_fromstr(&bid, blob_oid));
+	cl_git_pass(git_treebuilder_create(&builder, NULL));
+
+	cl_git_fail(git_treebuilder_insert(
+		&entry,
+		builder,
+		"normalized.txt",
+		&bid,
+		GIT_FILEMODE_BLOB_GROUP_WRITABLE));
+
+	git_treebuilder_free(builder);
+}
+
+void test_object_tree_attributes__normalize_attributes_when_creating_a_tree_from_an_existing_one(void)
+{
+	git_repository *repo;
+	git_treebuilder *builder;
+	git_oid tid, tid2;
+	git_tree *tree;
+	const git_tree_entry *entry;
+
+	repo = cl_git_sandbox_init("deprecated-mode.git");
+
+	cl_git_pass(git_oid_fromstr(&tid, tree_oid));
+	cl_git_pass(git_tree_lookup(&tree, repo, &tid));
+
+	cl_git_pass(git_treebuilder_create(&builder, tree));
+	
+	entry = git_treebuilder_get(builder, "old_mode.txt");
+	cl_assert_equal_i(
+		GIT_FILEMODE_BLOB,
+		git_tree_entry_filemode(entry));
+
+	cl_git_pass(git_treebuilder_write(&tid2, repo, builder));
+	git_treebuilder_free(builder);
+	git_tree_free(tree);
+
+	cl_git_pass(git_tree_lookup(&tree, repo, &tid2));
+	entry = git_tree_entry_byname(tree, "old_mode.txt");
+	cl_assert_equal_i(
+		GIT_FILEMODE_BLOB,
+		git_tree_entry_filemode(entry));
+
+	git_tree_free(tree);
+	cl_git_sandbox_cleanup();
+}
+
+void test_object_tree_attributes__normalize_600(void)
+{
+	git_oid id;
+	git_tree *tree;
+	git_repository *repo;
+	const git_tree_entry *entry;
+
+	repo = cl_git_sandbox_init("deprecated-mode.git");
+
+	git_oid_fromstr(&id, "0810fb7818088ff5ac41ee49199b51473b1bd6c7");
+	cl_git_pass(git_tree_lookup(&tree, repo, &id));
+
+	entry = git_tree_entry_byname(tree, "ListaTeste.xml");
+	cl_assert_equal_i(git_tree_entry_filemode(entry), GIT_FILEMODE_BLOB);
+	cl_assert_equal_i(git_tree_entry_filemode_raw(entry), 0100600);
+
+	git_tree_free(tree);
+	cl_git_sandbox_cleanup();
+}
diff --git a/tests/object/tree/duplicateentries.c b/tests/object/tree/duplicateentries.c
new file mode 100644
index 000000000..9262f9a1a
--- /dev/null
+++ b/tests/object/tree/duplicateentries.c
@@ -0,0 +1,157 @@
+#include "clar_libgit2.h"
+#include "tree.h"
+
+static git_repository *_repo;
+
+void test_object_tree_duplicateentries__initialize(void) {
+   _repo = cl_git_sandbox_init("testrepo");
+}
+
+void test_object_tree_duplicateentries__cleanup(void) {
+   cl_git_sandbox_cleanup();
+}
+
+/*
+ * $ git show --format=raw refs/heads/dir
+ * commit 144344043ba4d4a405da03de3844aa829ae8be0e
+ * tree d52a8fe84ceedf260afe4f0287bbfca04a117e83
+ * parent cf80f8de9f1185bf3a05f993f6121880dd0cfbc9
+ * author Ben Straub <bstraub@github.com> 1343755506 -0700
+ * committer Ben Straub <bstraub@github.com> 1343755506 -0700
+ * 
+ *     Change a file mode
+ * 
+ * diff --git a/a/b.txt b/a/b.txt
+ * old mode 100644
+ * new mode 100755
+ *
+ * $ git ls-tree d52a8fe84ceedf260afe4f0287bbfca04a117e83
+ * 100644 blob a8233120f6ad708f843d861ce2b7228ec4e3dec6    README
+ * 040000 tree 4e0883eeeeebc1fb1735161cea82f7cb5fab7e63    a
+ * 100644 blob 45b983be36b73c0788dc9cbcb76cbb80fc7bb057    branch_file.txt
+ * 100644 blob a71586c1dfe8a71c6cbf6c129f404c5642ff31bd    new.txt
+ */
+
+static void tree_checker(
+	git_oid *tid,
+	const char *expected_sha,
+	git_filemode_t expected_filemode)
+{
+	git_tree *tree;
+	const git_tree_entry *entry;
+	git_oid oid;
+
+	cl_git_pass(git_tree_lookup(&tree, _repo, tid));
+	cl_assert_equal_i(1, (int)git_tree_entrycount(tree));
+	entry = git_tree_entry_byindex(tree, 0);
+
+	cl_git_pass(git_oid_fromstr(&oid, expected_sha));
+
+	cl_assert_equal_i(0, git_oid_cmp(&oid, git_tree_entry_id(entry)));
+	cl_assert_equal_i(expected_filemode, git_tree_entry_filemode(entry));
+
+	git_tree_free(tree);
+}
+
+static void tree_creator(git_oid *out, void (*fn)(git_treebuilder *))
+{
+	git_treebuilder *builder;
+
+	cl_git_pass(git_treebuilder_create(&builder, NULL));
+
+	fn(builder);
+
+	cl_git_pass(git_treebuilder_write(out, _repo, builder));
+	git_treebuilder_free(builder);
+}
+
+static void two_blobs(git_treebuilder *bld)
+{
+	git_oid oid;
+	const git_tree_entry *entry;
+	
+	cl_git_pass(git_oid_fromstr(&oid,
+		"a8233120f6ad708f843d861ce2b7228ec4e3dec6"));	/* blob oid (README) */
+
+	cl_git_pass(git_treebuilder_insert(
+		&entry,	bld, "duplicate", &oid,
+		GIT_FILEMODE_BLOB));
+
+	cl_git_pass(git_oid_fromstr(&oid,
+		"a71586c1dfe8a71c6cbf6c129f404c5642ff31bd"));	/* blob oid (new.txt) */
+
+	cl_git_pass(git_treebuilder_insert(
+		&entry,	bld, "duplicate", &oid,
+		GIT_FILEMODE_BLOB));
+}
+
+static void one_blob_and_one_tree(git_treebuilder *bld)
+{
+	git_oid oid;
+	const git_tree_entry *entry;
+	
+	cl_git_pass(git_oid_fromstr(&oid,
+		"a8233120f6ad708f843d861ce2b7228ec4e3dec6"));	/* blob oid (README) */
+
+	cl_git_pass(git_treebuilder_insert(
+		&entry,	bld, "duplicate", &oid,
+		GIT_FILEMODE_BLOB));
+
+	cl_git_pass(git_oid_fromstr(&oid,
+		"4e0883eeeeebc1fb1735161cea82f7cb5fab7e63"));	/* tree oid (a) */
+
+	cl_git_pass(git_treebuilder_insert(
+		&entry,	bld, "duplicate", &oid,
+		GIT_FILEMODE_TREE));
+}
+
+void test_object_tree_duplicateentries__cannot_create_a_duplicate_entry_through_the_treebuilder(void)
+{
+	git_oid tid;
+
+	tree_creator(&tid, two_blobs);
+	tree_checker(&tid, "a71586c1dfe8a71c6cbf6c129f404c5642ff31bd", GIT_FILEMODE_BLOB);
+	
+	tree_creator(&tid, one_blob_and_one_tree);
+	tree_checker(&tid, "4e0883eeeeebc1fb1735161cea82f7cb5fab7e63", GIT_FILEMODE_TREE);
+}
+
+static void add_fake_conflicts(git_index *index)
+{
+	git_index_entry ancestor_entry, our_entry, their_entry;
+
+	memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
+	memset(&our_entry, 0x0, sizeof(git_index_entry));
+	memset(&their_entry, 0x0, sizeof(git_index_entry));
+
+	ancestor_entry.path = "duplicate";
+	ancestor_entry.mode = GIT_FILEMODE_BLOB;
+	ancestor_entry.flags |= (1 << GIT_IDXENTRY_STAGESHIFT);
+	git_oid_fromstr(&ancestor_entry.oid, "a8233120f6ad708f843d861ce2b7228ec4e3dec6");
+
+	our_entry.path = "duplicate";
+	our_entry.mode = GIT_FILEMODE_BLOB;
+	ancestor_entry.flags |= (2 << GIT_IDXENTRY_STAGESHIFT);
+	git_oid_fromstr(&our_entry.oid, "45b983be36b73c0788dc9cbcb76cbb80fc7bb057");
+
+	their_entry.path = "duplicate";
+	their_entry.mode = GIT_FILEMODE_BLOB;
+	ancestor_entry.flags |= (3 << GIT_IDXENTRY_STAGESHIFT);
+	git_oid_fromstr(&their_entry.oid, "a71586c1dfe8a71c6cbf6c129f404c5642ff31bd");
+
+	cl_git_pass(git_index_conflict_add(index, &ancestor_entry, &our_entry, &their_entry));
+}
+
+void test_object_tree_duplicateentries__cannot_create_a_duplicate_entry_building_a_tree_from_a_index_with_conflicts(void)
+{
+	git_index *index;
+	git_oid tid;
+
+	cl_git_pass(git_repository_index(&index, _repo));
+
+	add_fake_conflicts(index); 
+
+	cl_assert_equal_i(GIT_EUNMERGED, git_index_write_tree(&tid, index));
+
+	git_index_free(index);
+}
diff --git a/tests/object/tree/frompath.c b/tests/object/tree/frompath.c
new file mode 100644
index 000000000..86ca47e94
--- /dev/null
+++ b/tests/object/tree/frompath.c
@@ -0,0 +1,68 @@
+#include "clar_libgit2.h"
+
+static git_repository *repo;
+static	git_tree *tree;
+
+void test_object_tree_frompath__initialize(void)
+{
+	git_oid id;
+	const char *tree_with_subtrees_oid = "ae90f12eea699729ed24555e40b9fd669da12a12";
+
+	cl_git_pass(git_repository_open(&repo, cl_fixture("testrepo.git")));
+	cl_assert(repo != NULL);
+
+	cl_git_pass(git_oid_fromstr(&id, tree_with_subtrees_oid));
+	cl_git_pass(git_tree_lookup(&tree, repo, &id));
+	cl_assert(tree != NULL);
+}
+
+void test_object_tree_frompath__cleanup(void)
+{
+	git_tree_free(tree);
+	tree = NULL;
+
+	git_repository_free(repo);
+	repo = NULL;
+}
+
+static void assert_tree_from_path(
+	git_tree *root,
+	const char *path,
+	const char *expected_entry_name)
+{
+	git_tree_entry *entry;
+
+	cl_git_pass(git_tree_entry_bypath(&entry, root, path));
+	cl_assert_equal_s(git_tree_entry_name(entry), expected_entry_name);
+	git_tree_entry_free(entry);
+}
+
+void test_object_tree_frompath__retrieve_tree_from_path_to_treeentry(void)
+{
+	git_tree_entry *e;
+
+	assert_tree_from_path(tree, "README", "README");
+	assert_tree_from_path(tree, "ab/de/fgh/1.txt", "1.txt");
+	assert_tree_from_path(tree, "ab/de/fgh", "fgh");
+	assert_tree_from_path(tree, "ab/de/fgh/", "fgh");
+	assert_tree_from_path(tree, "ab/de", "de");
+	assert_tree_from_path(tree, "ab/", "ab");
+	assert_tree_from_path(tree, "ab/de/", "de");
+
+	cl_assert_equal_i(GIT_ENOTFOUND, git_tree_entry_bypath(&e, tree, "i-do-not-exist.txt"));
+	cl_assert_equal_i(GIT_ENOTFOUND, git_tree_entry_bypath(&e, tree, "README/"));
+	cl_assert_equal_i(GIT_ENOTFOUND, git_tree_entry_bypath(&e, tree, "ab/de/fgh/i-do-not-exist.txt"));
+	cl_assert_equal_i(GIT_ENOTFOUND, git_tree_entry_bypath(&e, tree, "nope/de/fgh/1.txt"));
+	cl_assert_equal_i(GIT_ENOTFOUND, git_tree_entry_bypath(&e, tree, "ab/me-neither/fgh/2.txt"));
+	cl_assert_equal_i(GIT_ENOTFOUND, git_tree_entry_bypath(&e, tree, "ab/me-neither/fgh/2.txt/"));
+}
+
+void test_object_tree_frompath__fail_when_processing_an_invalid_path(void)
+{
+	git_tree_entry *e;
+
+	cl_must_fail(git_tree_entry_bypath(&e, tree, "/"));
+	cl_must_fail(git_tree_entry_bypath(&e, tree, "/ab"));
+	cl_must_fail(git_tree_entry_bypath(&e, tree, "/ab/de"));
+	cl_must_fail(git_tree_entry_bypath(&e, tree, "ab//de"));
+}
diff --git a/tests/object/tree/read.c b/tests/object/tree/read.c
new file mode 100644
index 000000000..59a809bf1
--- /dev/null
+++ b/tests/object/tree/read.c
@@ -0,0 +1,75 @@
+#include "clar_libgit2.h"
+
+#include "tree.h"
+
+static const char *tree_oid = "1810dff58d8a660512d4832e740f692884338ccd";
+
+static git_repository *g_repo;
+
+// Fixture setup and teardown
+void test_object_tree_read__initialize(void)
+{
+   g_repo = cl_git_sandbox_init("testrepo");
+}
+
+void test_object_tree_read__cleanup(void)
+{
+   cl_git_sandbox_cleanup();
+}
+
+
+
+void test_object_tree_read__loaded(void)
+{
+   // acces randomly the entries on a loaded tree
+	git_oid id;
+	git_tree *tree;
+
+	git_oid_fromstr(&id, tree_oid);
+
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+
+	cl_assert(git_tree_entry_byname(tree, "README") != NULL);
+	cl_assert(git_tree_entry_byname(tree, "NOTEXISTS") == NULL);
+	cl_assert(git_tree_entry_byname(tree, "") == NULL);
+	cl_assert(git_tree_entry_byindex(tree, 0) != NULL);
+	cl_assert(git_tree_entry_byindex(tree, 2) != NULL);
+	cl_assert(git_tree_entry_byindex(tree, 3) == NULL);
+	cl_assert(git_tree_entry_byindex(tree, (unsigned int)-1) == NULL);
+
+	git_tree_free(tree);
+}
+
+void test_object_tree_read__two(void)
+{
+   // read a tree from the repository
+	git_oid id;
+	git_tree *tree;
+	const git_tree_entry *entry;
+	git_object *obj;
+
+	git_oid_fromstr(&id, tree_oid);
+
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+
+	cl_assert(git_tree_entrycount(tree) == 3);
+
+	/* GH-86: git_object_lookup() should also check the type if the object comes from the cache */
+	cl_assert(git_object_lookup(&obj, g_repo, &id, GIT_OBJ_TREE) == 0);
+	cl_assert(obj != NULL);
+	git_object_free(obj);
+	obj = NULL;
+	cl_git_fail(git_object_lookup(&obj, g_repo, &id, GIT_OBJ_BLOB));
+	cl_assert(obj == NULL);
+
+	entry = git_tree_entry_byname(tree, "README");
+	cl_assert(entry != NULL);
+
+	cl_assert_equal_s(git_tree_entry_name(entry), "README");
+
+	cl_git_pass(git_tree_entry_to_object(&obj, g_repo, entry));
+	cl_assert(obj != NULL);
+
+	git_object_free(obj);
+	git_tree_free(tree);
+}
diff --git a/tests/object/tree/walk.c b/tests/object/tree/walk.c
new file mode 100644
index 000000000..1207e864c
--- /dev/null
+++ b/tests/object/tree/walk.c
@@ -0,0 +1,177 @@
+#include "clar_libgit2.h"
+#include "tree.h"
+
+static const char *tree_oid = "1810dff58d8a660512d4832e740f692884338ccd";
+static git_repository *g_repo;
+
+void test_object_tree_walk__initialize(void)
+{
+   g_repo = cl_git_sandbox_init("testrepo");
+}
+
+void test_object_tree_walk__cleanup(void)
+{
+   cl_git_sandbox_cleanup();
+}
+
+static int treewalk_count_cb(
+	const char *root, const git_tree_entry *entry, void *payload)
+{
+	int *count = payload;
+
+	GIT_UNUSED(root);
+	GIT_UNUSED(entry);
+
+	(*count) += 1;
+
+	return 0;
+}
+
+void test_object_tree_walk__0(void)
+{
+	git_oid id;
+	git_tree *tree;
+	int ct;
+
+	git_oid_fromstr(&id, tree_oid);
+
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+
+	ct = 0;
+	cl_git_pass(git_tree_walk(tree, GIT_TREEWALK_PRE, treewalk_count_cb, &ct));
+	cl_assert_equal_i(3, ct);
+
+	ct = 0;
+	cl_git_pass(git_tree_walk(tree, GIT_TREEWALK_POST, treewalk_count_cb, &ct));
+	cl_assert_equal_i(3, ct);
+
+	git_tree_free(tree);
+}
+
+
+static int treewalk_stop_cb(
+	const char *root, const git_tree_entry *entry, void *payload)
+{
+	int *count = payload;
+
+	GIT_UNUSED(root);
+	GIT_UNUSED(entry);
+
+	(*count) += 1;
+
+	return (*count == 2) ? -1 : 0;
+}
+
+static int treewalk_stop_immediately_cb(
+	const char *root, const git_tree_entry *entry, void *payload)
+{
+	GIT_UNUSED(root);
+	GIT_UNUSED(entry);
+	GIT_UNUSED(payload);
+	return -100;
+}
+
+void test_object_tree_walk__1(void)
+{
+	git_oid id;
+	git_tree *tree;
+	int ct;
+
+	git_oid_fromstr(&id, tree_oid);
+
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+
+	ct = 0;
+	cl_assert_equal_i(
+		GIT_EUSER, git_tree_walk(tree, GIT_TREEWALK_PRE, treewalk_stop_cb, &ct));
+	cl_assert_equal_i(2, ct);
+
+	ct = 0;
+	cl_assert_equal_i(
+		GIT_EUSER, git_tree_walk(tree, GIT_TREEWALK_POST, treewalk_stop_cb, &ct));
+	cl_assert_equal_i(2, ct);
+
+	cl_assert_equal_i(
+		GIT_EUSER, git_tree_walk(
+			tree, GIT_TREEWALK_PRE, treewalk_stop_immediately_cb, NULL));
+
+	cl_assert_equal_i(
+		GIT_EUSER, git_tree_walk(
+			tree, GIT_TREEWALK_POST, treewalk_stop_immediately_cb, NULL));
+
+	git_tree_free(tree);
+}
+
+
+struct treewalk_skip_data {
+	int files;
+	int dirs;
+	const char *skip;
+	const char *stop;
+};
+
+static int treewalk_skip_de_cb(
+	const char *root, const git_tree_entry *entry, void *payload)
+{
+	struct treewalk_skip_data *data = payload;
+	const char *name = git_tree_entry_name(entry);
+
+	GIT_UNUSED(root);
+
+	if (git_tree_entry_type(entry) == GIT_OBJ_TREE)
+		data->dirs++;
+	else
+		data->files++;
+
+	if (data->skip && !strcmp(name, data->skip))
+		return 1;
+	else if (data->stop && !strcmp(name, data->stop))
+		return -1;
+	else
+		return 0;
+}
+
+void test_object_tree_walk__2(void)
+{
+	git_oid id;
+	git_tree *tree;
+	struct treewalk_skip_data data;
+
+	/* look up a deep tree */
+	git_oid_fromstr(&id, "ae90f12eea699729ed24555e40b9fd669da12a12");
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+
+	memset(&data, 0, sizeof(data));
+	data.skip = "de";
+
+	cl_assert_equal_i(0, git_tree_walk(
+		tree, GIT_TREEWALK_PRE, treewalk_skip_de_cb, &data));
+	cl_assert_equal_i(5, data.files);
+	cl_assert_equal_i(3, data.dirs);
+
+	memset(&data, 0, sizeof(data));
+	data.stop = "3.txt";
+
+	cl_assert_equal_i(GIT_EUSER, git_tree_walk(
+		tree, GIT_TREEWALK_PRE, treewalk_skip_de_cb, &data));
+	cl_assert_equal_i(3, data.files);
+	cl_assert_equal_i(2, data.dirs);
+
+	memset(&data, 0, sizeof(data));
+	data.skip = "new.txt";
+
+	cl_assert_equal_i(0, git_tree_walk(
+		tree, GIT_TREEWALK_PRE, treewalk_skip_de_cb, &data));
+	cl_assert_equal_i(7, data.files);
+	cl_assert_equal_i(4, data.dirs);
+
+	memset(&data, 0, sizeof(data));
+	data.stop = "new.txt";
+
+	cl_assert_equal_i(GIT_EUSER, git_tree_walk(
+		tree, GIT_TREEWALK_PRE, treewalk_skip_de_cb, &data));
+	cl_assert_equal_i(7, data.files);
+	cl_assert_equal_i(4, data.dirs);
+
+	git_tree_free(tree);
+}
diff --git a/tests/object/tree/write.c b/tests/object/tree/write.c
new file mode 100644
index 000000000..468c0ccd1
--- /dev/null
+++ b/tests/object/tree/write.c
@@ -0,0 +1,262 @@
+#include "clar_libgit2.h"
+
+#include "tree.h"
+
+static const char *blob_oid = "fa49b077972391ad58037050f2a75f74e3671e92";
+static const char *first_tree  = "181037049a54a1eb5fab404658a3a250b44335d7";
+static const char *second_tree = "f60079018b664e4e79329a7ef9559c8d9e0378d1";
+static const char *third_tree = "eb86d8b81d6adbd5290a935d6c9976882de98488";
+
+static git_repository *g_repo;
+
+// Fixture setup and teardown
+void test_object_tree_write__initialize(void)
+{
+   g_repo = cl_git_sandbox_init("testrepo");
+}
+
+void test_object_tree_write__cleanup(void)
+{
+   cl_git_sandbox_cleanup();
+}
+
+void test_object_tree_write__from_memory(void)
+{
+   // write a tree from a memory
+	git_treebuilder *builder;
+	git_tree *tree;
+	git_oid id, bid, rid, id2;
+
+	git_oid_fromstr(&id, first_tree);
+	git_oid_fromstr(&id2, second_tree);
+	git_oid_fromstr(&bid, blob_oid);
+
+	//create a second tree from first tree using `git_treebuilder_insert` on REPOSITORY_FOLDER.
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+	cl_git_pass(git_treebuilder_create(&builder, tree));
+
+	cl_git_fail(git_treebuilder_insert(NULL, builder, "",
+		&bid, GIT_FILEMODE_BLOB));
+	cl_git_fail(git_treebuilder_insert(NULL, builder, "/",
+		&bid, GIT_FILEMODE_BLOB));
+	cl_git_fail(git_treebuilder_insert(NULL, builder, ".git",
+		&bid, GIT_FILEMODE_BLOB));
+	cl_git_fail(git_treebuilder_insert(NULL, builder, "..",
+		&bid, GIT_FILEMODE_BLOB));
+	cl_git_fail(git_treebuilder_insert(NULL, builder, ".",
+		&bid, GIT_FILEMODE_BLOB));
+	cl_git_fail(git_treebuilder_insert(NULL, builder, "folder/new.txt",
+		&bid, GIT_FILEMODE_BLOB));
+
+	cl_git_pass(git_treebuilder_insert(
+		NULL, builder, "new.txt", &bid, GIT_FILEMODE_BLOB));
+
+	cl_git_pass(git_treebuilder_write(&rid, g_repo, builder));
+
+	cl_assert(git_oid_cmp(&rid, &id2) == 0);
+
+	git_treebuilder_free(builder);
+	git_tree_free(tree);
+}
+
+void test_object_tree_write__subtree(void)
+{
+   // write a hierarchical tree from a memory
+	git_treebuilder *builder;
+	git_tree *tree;
+	git_oid id, bid, subtree_id, id2, id3;
+	git_oid id_hiearar;
+
+	git_oid_fromstr(&id, first_tree);
+	git_oid_fromstr(&id2, second_tree);
+	git_oid_fromstr(&id3, third_tree);
+	git_oid_fromstr(&bid, blob_oid);
+
+	//create subtree
+	cl_git_pass(git_treebuilder_create(&builder, NULL));
+	cl_git_pass(git_treebuilder_insert(
+		NULL, builder, "new.txt", &bid, GIT_FILEMODE_BLOB)); //-V536
+	cl_git_pass(git_treebuilder_write(&subtree_id, g_repo, builder));
+	git_treebuilder_free(builder);
+
+	// create parent tree
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+	cl_git_pass(git_treebuilder_create(&builder, tree));
+	cl_git_pass(git_treebuilder_insert(
+		NULL, builder, "new", &subtree_id, GIT_FILEMODE_TREE)); //-V536
+	cl_git_pass(git_treebuilder_write(&id_hiearar, g_repo, builder));
+	git_treebuilder_free(builder);
+	git_tree_free(tree);
+
+	cl_assert(git_oid_cmp(&id_hiearar, &id3) == 0);
+
+	// check data is correct
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id_hiearar));
+	cl_assert(2 == git_tree_entrycount(tree));
+	git_tree_free(tree);
+}
+
+/*
+ * And the Lord said: Is this tree properly sorted?
+ */
+void test_object_tree_write__sorted_subtrees(void)
+{
+	git_treebuilder *builder;
+	unsigned int i;
+	int position_c = -1, position_cake = -1, position_config = -1;
+
+	struct {
+		unsigned int attr;
+		const char *filename;
+	} entries[] = {
+		{ GIT_FILEMODE_BLOB, ".gitattributes" },
+	  	{ GIT_FILEMODE_BLOB, ".gitignore" },
+	  	{ GIT_FILEMODE_BLOB, ".htaccess" },
+	  	{ GIT_FILEMODE_BLOB, "Capfile" },
+	  	{ GIT_FILEMODE_BLOB, "Makefile"},
+	  	{ GIT_FILEMODE_BLOB, "README"},
+	  	{ GIT_FILEMODE_TREE, "app"},
+	  	{ GIT_FILEMODE_TREE, "cake"},
+	  	{ GIT_FILEMODE_TREE, "config"},
+	  	{ GIT_FILEMODE_BLOB, "c"},
+	  	{ GIT_FILEMODE_BLOB, "git_test.txt"},
+	  	{ GIT_FILEMODE_BLOB, "htaccess.htaccess"},
+	  	{ GIT_FILEMODE_BLOB, "index.php"},
+	  	{ GIT_FILEMODE_TREE, "plugins"},
+	  	{ GIT_FILEMODE_TREE, "schemas"},
+	  	{ GIT_FILEMODE_TREE, "ssl-certs"},
+	  	{ GIT_FILEMODE_TREE, "vendors"}
+	};
+
+	git_oid blank_oid, tree_oid;
+
+	memset(&blank_oid, 0x0, sizeof(blank_oid));
+
+	cl_git_pass(git_treebuilder_create(&builder, NULL));
+
+	for (i = 0; i < ARRAY_SIZE(entries); ++i) {
+		cl_git_pass(git_treebuilder_insert(NULL,
+			builder, entries[i].filename, &blank_oid, entries[i].attr));
+	}
+
+	cl_git_pass(git_treebuilder_write(&tree_oid, g_repo, builder));
+
+	for (i = 0; i < builder->entries.length; ++i) {
+		git_tree_entry *entry = git_vector_get(&builder->entries, i);
+
+		if (strcmp(entry->filename, "c") == 0)
+			position_c = i;
+
+		if (strcmp(entry->filename, "cake") == 0)
+			position_cake = i;
+
+		if (strcmp(entry->filename, "config") == 0)
+			position_config = i;
+	}
+
+	cl_assert(position_c != -1);
+	cl_assert(position_cake != -1);
+	cl_assert(position_config != -1);
+
+	cl_assert(position_c < position_cake);
+	cl_assert(position_cake < position_config);
+
+	git_treebuilder_free(builder);
+}
+
+void test_object_tree_write__removing_and_re_adding_in_treebuilder(void)
+{
+	git_treebuilder *builder;
+	int i,  aardvark_i, apple_i, apple_after_i, apple_extra_i, last_i;
+	git_oid blank_oid, tree_oid;
+	git_tree *tree;
+	struct {
+		unsigned int attr;
+		const char *filename;
+	} entries[] = {
+		{ GIT_FILEMODE_BLOB, "aardvark" },
+		{ GIT_FILEMODE_BLOB, ".first" },
+		{ GIT_FILEMODE_BLOB, "apple" },
+		{ GIT_FILEMODE_BLOB, "last"},
+		{ GIT_FILEMODE_BLOB, "apple_after"},
+		{ GIT_FILEMODE_BLOB, "after_aardvark"},
+		{ 0, NULL },
+	};
+
+	memset(&blank_oid, 0x0, sizeof(blank_oid));
+
+	cl_git_pass(git_treebuilder_create(&builder, NULL));
+
+	cl_assert_equal_i(0, (int)git_treebuilder_entrycount(builder));
+
+	for (i = 0; entries[i].filename; ++i)
+		cl_git_pass(git_treebuilder_insert(NULL,
+			builder, entries[i].filename, &blank_oid, entries[i].attr));
+
+	cl_assert_equal_i(6, (int)git_treebuilder_entrycount(builder));
+
+	cl_git_pass(git_treebuilder_remove(builder, "apple"));
+	cl_assert_equal_i(5, (int)git_treebuilder_entrycount(builder));
+
+	cl_git_pass(git_treebuilder_remove(builder, "apple_after"));
+	cl_assert_equal_i(4, (int)git_treebuilder_entrycount(builder));
+
+	cl_git_pass(git_treebuilder_insert(
+		NULL, builder, "before_last", &blank_oid, GIT_FILEMODE_BLOB));
+	cl_assert_equal_i(5, (int)git_treebuilder_entrycount(builder));
+
+	/* reinsert apple_after */
+	cl_git_pass(git_treebuilder_insert(
+		NULL, builder, "apple_after", &blank_oid, GIT_FILEMODE_BLOB));
+	cl_assert_equal_i(6, (int)git_treebuilder_entrycount(builder));
+
+	cl_git_pass(git_treebuilder_remove(builder, "last"));
+	cl_assert_equal_i(5, (int)git_treebuilder_entrycount(builder));
+
+	/* reinsert last */
+	cl_git_pass(git_treebuilder_insert(
+		NULL, builder, "last", &blank_oid, GIT_FILEMODE_BLOB));
+	cl_assert_equal_i(6, (int)git_treebuilder_entrycount(builder));
+
+	cl_git_pass(git_treebuilder_insert(
+		NULL, builder, "apple_extra", &blank_oid, GIT_FILEMODE_BLOB));
+	cl_assert_equal_i(7, (int)git_treebuilder_entrycount(builder));
+
+	cl_git_pass(git_treebuilder_write(&tree_oid, g_repo, builder));
+
+	git_treebuilder_free(builder);
+
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_oid));
+
+	cl_assert_equal_i(7, (int)git_tree_entrycount(tree));
+
+	cl_assert(git_tree_entry_byname(tree, ".first") != NULL);
+	cl_assert(git_tree_entry_byname(tree, "apple") == NULL);
+	cl_assert(git_tree_entry_byname(tree, "apple_after") != NULL);
+	cl_assert(git_tree_entry_byname(tree, "apple_extra") != NULL);
+	cl_assert(git_tree_entry_byname(tree, "last") != NULL);
+
+	aardvark_i = apple_i = apple_after_i = apple_extra_i = last_i = -1;
+
+	for (i = 0; i < 7; ++i) {
+		const git_tree_entry *entry = git_tree_entry_byindex(tree, i);
+
+		if (!strcmp(entry->filename, "aardvark"))
+			aardvark_i = i;
+		else if (!strcmp(entry->filename, "apple"))
+			apple_i = i;
+		else if (!strcmp(entry->filename, "apple_after"))
+			apple_after_i = i;
+		else if (!strcmp(entry->filename, "apple_extra"))
+			apple_extra_i = i;
+		else if (!strcmp(entry->filename, "last"))
+			last_i = i;
+	}
+
+	cl_assert_equal_i(-1, apple_i);
+	cl_assert_equal_i(6, last_i);
+	cl_assert(aardvark_i < apple_after_i);
+	cl_assert(apple_after_i < apple_extra_i);
+
+	git_tree_free(tree);
+}