1 files changed, 60 insertions, 0 deletions
diff --git a/tests-clay/object/tree/buildfromindex.c b/tests-clay/object/tree/buildfromindex.c
new file mode 100644
index 000000000..d4a52067e
--- /dev/null
+++ b/tests-clay/object/tree/buildfromindex.c
@@ -0,0 +1,60 @@
+#include "clay_libgit2.h"
+#include "posix.h"
+
+static git_repository *repo;
+
+static void file_create(const char *filename, const char *content)
+{
+	int fd;
+
+	fd = p_creat(filename, 0666);
+	cl_assert(fd != 0);
+	cl_git_pass(p_write(fd, content, strlen(content)));
+	cl_git_pass(p_close(fd));
+}
+
+void test_object_tree_buildfromindex__initialize(void)
+{
+	cl_fixture("treebuilder");
+	cl_git_pass(git_repository_init(&repo, "treebuilder/", 0));
+	cl_git_pass(git_repository_open(&repo, "treebuilder/.git"));
+	cl_assert(repo != NULL);
+}
+
+void test_object_tree_buildfromindex__cleanup(void)
+{
+	git_repository_free(repo);
+	cl_fixture_cleanup("treebuilder");
+}
+
+void test_object_tree_buildfromindex__generate_predictable_object_ids(void)
+{
+	git_index *index;
+	git_oid blob_oid, tree_oid, expected_tree_oid;
+	git_index_entry *entry;
+
+	/*
+	 * Add a new file to the index
+	 */
+	cl_git_pass(git_repository_index(&index, repo));
+
+	file_create("treebuilder/test.txt", "test\n");
+	cl_git_pass(git_index_add(index, "test.txt", 0));
+
+	entry = git_index_get(index, 0);
+
+	/* $ echo "test" | git hash-object --stdin */
+	cl_git_pass(git_oid_fromstr(&blob_oid, "9daeafb9864cf43055ae93beb0afd6c7d144bfa4"));
+
+	cl_assert(git_oid_cmp(&blob_oid, &entry->oid) == 0);
+
+	/*
+	 * Build the tree from the index
+	 */
+	cl_git_pass(git_tree_create_fromindex(&tree_oid, index));
+
+	cl_git_pass(git_oid_fromstr(&expected_tree_oid, "2b297e643c551e76cfa1f93810c50811382f9117"));
+	cl_assert(git_oid_cmp(&expected_tree_oid, &tree_oid) == 0);
+
+	git_index_free(index);
+}