2 files changed, 47 insertions, 10 deletions

diff --git a/tests-clay/index/read_tree.c b/tests-clay/index/read_tree.c
new file mode 100644
index 000000000..d884c8d51
--- /dev/null
+++ b/tests-clay/index/read_tree.c
@@ -0,0 +1,46 @@
+#include "clay_libgit2.h"
+#include "testlib.h"
+#include "posix.h"
+
+/* Test that reading and writing a tree is a no-op */
+void test_index_read_tree__read_write_involution(void)
+{
+	git_repository *repo;
+	git_index *index;
+	git_oid tree_oid;
+	git_tree *tree;
+	git_oid expected;
+
+	p_mkdir("read_tree", 0700);
+
+	cl_git_pass(git_repository_init(&repo, "./read_tree", 0));
+	cl_git_pass(git_repository_index(&index, repo));
+
+	cl_assert(git_index_entrycount(index) == 0);
+
+	p_mkdir("./read_tree/abc", 0700);
+
+	/* Sort order: '-' < '/' < '_' */
+	file_create("./read_tree/abc-d", NULL);
+	file_create("./read_tree/abc/d", NULL);
+	file_create("./read_tree/abc_d", NULL);
+
+	cl_git_pass(git_index_add(index, "abc-d", 0));
+	cl_git_pass(git_index_add(index, "abc_d", 0));
+	cl_git_pass(git_index_add(index, "abc/d", 0));
+
+	/* write-tree */
+	cl_git_pass(git_tree_create_fromindex(&expected, index));
+
+	/* read-tree */
+	git_tree_lookup(&tree, repo, &expected);
+	cl_git_pass(git_index_read_tree(index, tree));
+
+	cl_git_pass(git_tree_create_fromindex(&tree_oid, index));
+	cl_assert(git_oid_cmp(&expected, &tree_oid) == 0);
+
+	git_index_free(index);
+	git_repository_free(repo);
+
+	cl_fixture_cleanup("read_tree");
+}
diff --git a/tests-clay/index/rename.c b/tests-clay/index/rename.c
index f81125434..c949fa7f2 100644
--- a/tests-clay/index/rename.c
+++ b/tests-clay/index/rename.c
@@ -1,16 +1,7 @@
 #include "clay_libgit2.h"
+#include "testlib.h"
 #include "posix.h"
 
-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_index_rename__single_file(void)
 {
 	git_repository *repo;