add testing macros and all test runner

1 files changed, 25 insertions, 1 deletions

diff --git a/include/kpl_test.h b/include/kpl_test.h
index 6d19eff..9f87db3 100644
--- a/include/kpl_test.h
+++ b/include/kpl_test.h
@@ -10,10 +10,34 @@ typedef struct _kpl_test kpl_test;
 typedef void kpl_test_function(__attribute__((unused)) kpl_test *_test);
 
 typedef struct _kpl_test {
-    int32_t error_line_number;
+    int32_t error_line_number; // -1 for no error
     char *file_name, *test_name, *error_message;
     kpl_test_function *test_function;
     struct _kpl_test *next_test;
 } kpl_test;
 
 void kpl_test_add(kpl_test *_test);
+
+#define _KPL_TEST_FN_NAME(NAME) _kpl_test_function_ ## NAME
+
+#define _KPL_TEST_FN(NAME) static void _KPL_TEST_FN_NAME(NAME)(__attribute__((unused)) kpl_test *_test)
+
+#define KPL_TEST(NAME) _KPL_TEST_FN(NAME); \
+static void __attribute__((constructor)) _kpl_test_constructor_ ## NAME(void) { \
+    static kpl_test _test = { \
+        .error_line_number = -1, \
+        .file_name = __FILE__, .test_name = #NAME, .error_message = NULL, \
+        .test_function = _KPL_TEST_FN_NAME(NAME), \
+        .next_test = NULL \
+    }; \
+    kpl_test_add(&_test); \
+} \
+_KPL_TEST_FN(NAME)
+
+#define _KPL_TEST_FAIL_LINE _test->error_line_number = __LINE__
+
+#define _KPL_TEST_FAIL_MESSAGE(MESSAGE) _test->error_message = MESSAGE
+
+#define KPL_FAIL(MESSAGE) do { _KPL_TEST_FAIL_LINE; _KPL_TEST_FAIL_MESSAGE(MESSAGE); } while (0)
+
+#define KPL_ASSERT(CONDITION, MESSAGE) do { if (!(CONDITION)) { KPL_FAIL(#CONDITION "; " MESSAGE); } } while (0)