Write test framework

tests/testing.h

@@ -0,0 +1,60 @@
+#ifndef TESTING_H
+#define TESTING_H
+
+#include <stdlib.h>
+#include <string.h>
+
+#define TESTING_BEGIN() \
+	do { \
+		memset(&test_run, 0, sizeof(test_run)); \
+	} while (0)
+
+#define TESTING_END() \
+	do { \
+		testing_end_msg(); \
+		return 0 == test_run.fail_count ? EXIT_SUCCESS : EXIT_FAILURE; \
+	} while (0)
+
+#define RUN_TEST(test) \
+	do { \
+		++test_run.test_count; \
+		test(); \
+	} while (0)
+
+#define ASSERT_FAIL() \
+	do { \
+		++test_run.fail_count; \
+		testing_fail_msg(__func__, __FILE__, __LINE__); \
+		return; \
+	} while (0)
+
+#define ASSERT_TRUE(p) \
+	do { \
+		++test_run.assertion_count; \
+		if (!(p)) \
+			ASSERT_FAIL(); \
+	} while (0)
+
+#define ASSERT_FALSE(p) ASSERT_TRUE(!(p))
+#define ASSERT_EQUAL(x, y) ASSERT_TRUE((x) == (y))
+#define ASSERT_NOT_EQUAL(x, y) ASSERT_TRUE((x) != (y))
+#define ASSERT_NULL(p) ASSERT_TRUE(NULL == (p))
+#define ASSERT_NOT_NULL(p) ASSERT_TRUE(NULL != (p))
+#define ASSERT_GT(x, y) ASSERT_TRUE((y) > (x))
+#define ASSERT_GE(x, y) ASSERT_TRUE((y) >= (x))
+#define ASSERT_LT(x, y) ASSERT_TRUE((y) < (x))
+#define ASSERT_LE(x, y) ASSERT_TRUE((y) <= (x))
+#define ASSERT_MEM_EQUAL(p, q, n) ASSERT_TRUE(memcmp(p, q, n) == 0)
+
+typedef struct {
+	int test_count;
+	int fail_count;
+	int assertion_count;
+} test_run_t;
+
+extern test_run_t test_run;
+
+void testing_fail_msg(const char *func, const char *file, int line);
+void testing_end_msg(void);
+
+#endif