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-rw-r--r--tests/test.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/test.h b/tests/test.h
index f860ee2..7a82d08 100644
--- a/tests/test.h
+++ b/tests/test.h
@@ -6,6 +6,8 @@
#define START_TESTS int main() {
#define END_TESTS }
#define TEST(name) strcpy(current_test, #name);
+#define assert_null(actual) _assert(actual == NULL, __FILE__, __LINE__, "invalid value: expected NULL, got %s", actual)
+
#define assert_str(actual, expected) _assert(actual != NULL && strcmp(actual, expected) == 0, __FILE__, __LINE__, "invalid string: expected %s, got %s", expected, actual)
#define assert(assertion, format, ...) _assert(assertion, __FILE__, __LINE__, format, ##__VA_ARGS__)
#define ARRAY_SIZE(arr) sizeof arr / sizeof arr[0]