diff --git a/tests/odb/backend/simple.c b/tests/odb/backend/simple.c
new file mode 100644
index 000000000..c0fcd403b
--- /dev/null
+++ b/tests/odb/backend/simple.c
@@ -0,0 +1,232 @@
+#include "clar_libgit2.h"
+#include "repository.h"
+#include "backend_helpers.h"
+
+#define EMPTY_HASH "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"
+
+static git_repository *_repo;
+static git_odb *_odb;
+static git_odb_object *_obj;
+static git_oid _oid;
+
+static void setup_backend(const fake_object *objs)
+{
+	git_odb_backend *backend;
+
+	cl_git_pass(build_fake_backend(&backend, objs));
+
+	cl_git_pass(git_repository_odb__weakptr(&_odb, _repo));
+	cl_git_pass(git_odb_add_backend(_odb, backend, 10));
+}
+
+static void assert_object_contains(git_odb_object *obj, const char *expected)
+{
+	const char *actual = (const char *) git_odb_object_data(obj);
+
+	cl_assert_equal_s(actual, expected);
+}
+
+void test_odb_backend_simple__initialize(void)
+{
+	_repo = cl_git_sandbox_init("testrepo.git");
+	_odb = NULL;
+	_obj = NULL;
+}
+
+void test_odb_backend_simple__cleanup(void)
+{
+	git_odb_object_free(_obj);
+	cl_git_sandbox_cleanup();
+	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 1));
+}
+
+void test_odb_backend_simple__read_of_object_succeeds(void)
+{
+	const fake_object objs[] = {
+		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
+	cl_git_pass(git_odb_read(&_obj, _odb, &_oid));
+
+	assert_object_contains(_obj, objs[0].content);
+}
+
+void test_odb_backend_simple__read_of_nonexisting_object_fails(void)
+{
+	const fake_object objs[] = {
+		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, "f6ea0495187600e7b2288c8ac19c5886383a4633"));
+	cl_git_fail_with(GIT_ENOTFOUND, git_odb_read(&_obj, _odb, &_oid));
+}
+
+void test_odb_backend_simple__read_with_hash_mismatch_fails(void)
+{
+	const fake_object objs[] = {
+		{ "1234567890123456789012345678901234567890", "nonmatching content" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
+	cl_git_fail_with(GIT_EMISMATCH, git_odb_read(&_obj, _odb, &_oid));
+}
+
+void test_odb_backend_simple__read_with_hash_mismatch_succeeds_without_verification(void)
+{
+	const fake_object objs[] = {
+		{ "1234567890123456789012345678901234567890", "nonmatching content" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 0));
+	cl_git_pass(git_odb_read(&_obj, _odb, &_oid));
+
+	assert_object_contains(_obj, objs[0].content);
+}
+
+void test_odb_backend_simple__read_prefix_succeeds(void)
+{
+	const fake_object objs[] = {
+		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, "f6ea0495187600e7b2288c8ac19c5886383a4632"));
+	cl_git_pass(git_odb_read(&_obj, _odb, &_oid));
+
+	assert_object_contains(_obj, objs[0].content);
+}
+
+void test_odb_backend_simple__read_prefix_of_nonexisting_object_fails(void)
+{
+	const fake_object objs[] = {
+		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
+		{ NULL, NULL }
+	};
+	char *hash = "f6ea0495187600e8";
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstrn(&_oid, hash, strlen(hash)));
+	cl_git_fail_with(GIT_ENOTFOUND, git_odb_read(&_obj, _odb, &_oid));
+}
+
+void test_odb_backend_simple__read_with_ambiguous_prefix_fails(void)
+{
+	const fake_object objs[] = {
+		{ "1234567890111111111111111111111111111111", "first content" },
+		{ "1234567890222222222222222222222222222222", "second content" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
+	cl_git_fail_with(GIT_EAMBIGUOUS, git_odb_read_prefix(&_obj, _odb, &_oid, 7));
+}
+
+void test_odb_backend_simple__read_with_highly_ambiguous_prefix(void)
+{
+	const fake_object objs[] = {
+		{ "1234567890111111111111111111111111111111", "first content" },
+		{ "1234567890111111111111111111111111111112", "second content" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
+	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 0));
+	cl_git_fail_with(GIT_EAMBIGUOUS, git_odb_read_prefix(&_obj, _odb, &_oid, 39));
+	cl_git_pass(git_odb_read_prefix(&_obj, _odb, &_oid, 40));
+	assert_object_contains(_obj, objs[0].content);
+}
+
+void test_odb_backend_simple__exists_succeeds(void)
+{
+	const fake_object objs[] = {
+		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
+	cl_assert(git_odb_exists(_odb, &_oid));
+}
+
+void test_odb_backend_simple__exists_fails_for_nonexisting_object(void)
+{
+	const fake_object objs[] = {
+		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, "f6ea0495187600e7b2288c8ac19c5886383a4633"));
+	cl_assert(git_odb_exists(_odb, &_oid) == 0);
+}
+
+void test_odb_backend_simple__exists_prefix_succeeds(void)
+{
+	const fake_object objs[] = {
+		{ "1234567890111111111111111111111111111111", "first content" },
+		{ "1234567890222222222222222222222222222222", "second content" },
+		{ NULL, NULL }
+	};
+	git_oid found;
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
+	cl_git_pass(git_odb_exists_prefix(&found, _odb, &_oid, 12));
+	cl_assert(git_oid_equal(&found, &_oid));
+}
+
+void test_odb_backend_simple__exists_with_ambiguous_prefix_fails(void)
+{
+	const fake_object objs[] = {
+		{ "1234567890111111111111111111111111111111", "first content" },
+		{ "1234567890222222222222222222222222222222", "second content" },
+		{ NULL, NULL }
+	};
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
+	cl_git_fail_with(GIT_EAMBIGUOUS, git_odb_exists_prefix(NULL, _odb, &_oid, 7));
+}
+
+void test_odb_backend_simple__exists_with_highly_ambiguous_prefix(void)
+{
+	const fake_object objs[] = {
+		{ "1234567890111111111111111111111111111111", "first content" },
+		{ "1234567890111111111111111111111111111112", "second content" },
+		{ NULL, NULL }
+	};
+	git_oid found;
+
+	setup_backend(objs);
+
+	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
+	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 0));
+	cl_git_fail_with(GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &_oid, 39));
+	cl_git_pass(git_odb_exists_prefix(&found, _odb, &_oid, 40));
+	cl_assert(git_oid_equal(&found, &_oid));
+}