diff --git a/test/tarantool-c-tests/test.h b/test/tarantool-c-tests/test.h
new file mode 100644
index 00000000..28df9daf
--- /dev/null
+++ b/test/tarantool-c-tests/test.h
@@ -0,0 +1,217 @@

+#define LOCATION_FMT "location:\t%s:%d\n"
+#define ASSERT_NAME_FMT(name) "failed_assertion:\t" #name "\n"
+#define ASSERT_EQUAL_FMT(name_type, type_fmt) \
+ LOCATION_FMT \
+ ASSERT_NAME_FMT(assert_ ## name_type ## _equal) \
+ "got: " type_fmt "\n" \
+ "expected: " type_fmt "\n"
+
+#define ASSERT_NOT_EQUAL_FMT(type_fmt) \
+ LOCATION_FMT \
+ ASSERT_NAME_FMT(assert_ ## name_type ## _not_equal) \
+ "got: " type_fmt "\n" \
+ "unexpected: " type_fmt "\n"
+
+#define assert_true(cond) do { \
+ if (!(cond)) { \
+ test_save_diag_data(LOCATION_FMT \
+ "condition_failed:\t'" #cond "'\n", \
+ __FILE__, __LINE__); \
+ _test_exit(TEST_LJMP_EXIT_FAILURE); \
+ } \
+} while (0)
+
+#define assert_false(cond) assert_true(!(cond))
+
+#define assert_general(cond, fmt, ...) do { \
+ if (!(cond)) { \
+ test_save_diag_data(fmt, __VA_ARGS__); \
+ _test_exit(TEST_LJMP_EXIT_FAILURE); \
+ } \
+} while (0)
+
+#define assert_ptr_equal(got, expected) do { \
+ assert_general((got) == (expected), \
+ ASSERT_EQUAL_FMT(ptr, "%p"), \
+ __FILE__, __LINE__, (got), (expected) \
+ ); \
+} while (0)
+
+#define assert_ptr_not_equal(got, unexpected) do { \
+ assert_general((got) != (unexpected), \
+ ASSERT_NOT_EQUAL_FMT(ptr, "%p"), \
+ __FILE__, __LINE__, (got), (unexpected) \
+ ); \
+} while (0)
+
+
+#define assert_int_equal(got, expected) do { \
+ assert_general((got) == (expected), \
+ ASSERT_EQUAL_FMT(int, "%d"), \
+ __FILE__, __LINE__, (got), (expected) \
+ ); \
+} while (0)
+
+#define assert_int_not_equal(got, unexpected) do { \
+ assert_general((got) != (unexpected), \
+ ASSERT_NOT_EQUAL_FMT(int, "%d"), \
+ __FILE__, __LINE__, (got), (unexpected) \
+ ); \
+} while (0)
+
+#define assert_sizet_equal(got, expected) do { \
+ assert_general((got) == (expected), \
+ ASSERT_EQUAL_FMT(sizet, "%lu"), \
+ __FILE__, __LINE__, (got), (expected) \
+ ); \
+} while (0)
+
+#define assert_sizet_not_equal(got, unexpected) do { \
+ assert_general((got) != (unexpected), \
+ ASSERT_NOT_EQUAL_FMT(sizet, "%lu"), \
+ __FILE__, __LINE__, (got), (unexpected) \
+ ); \
+} while (0)
+
+/* Check that doubles are __exactly__ the same. */
+#define assert_double_equal(got, expected) do { \
+ assert_general((got) == (expected), \
+ ASSERT_EQUAL_FMT(double, "%lf"), \
+ __FILE__, __LINE__, (got), (expected) \
+ ); \
+} while (0)
+
+/* Check that doubles are not __exactly__ the same. */
+#define assert_double_not_equal(got, unexpected) do { \
+ assert_general((got) != (unexpected), \
+ ASSERT_NOT_EQUAL_FMT(double, "%lf"), \
+ __FILE__, __LINE__, (got), (unexpected) \
+ ); \
+} while (0)
+
+#endif /* TEST_H */
--
2.34.1