Write testing framework

tests/testing.c

@@ -0,0 +1,8 @@
+/*
+ * Copyright (c) Camden Dixie O'Brien
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+#include "testing.h"
+
+int fail_count;

tests/testing.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) Camden Dixie O'Brien
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+#ifndef TESTING_H
+#define TESTING_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define TESTING_BEGIN() fail_count = 0
+#define TESTING_END() fail_count == 0 ? EXIT_SUCCESS : EXIT_FAILURE
+
+#define FAIL \
+	do { \
+		++fail_count; \
+		printf("%s: FAIL @ %s:%d\n", __func__, __FILE__, __LINE__); \
+		return; \
+	} while (0)
+
+#define ASSERT_FALSE(p) \
+	do { \
+		if (p) \
+			FAIL; \
+	} while (0)
+
+#define ASSERT_TRUE(p) ASSERT_FALSE(!(p))
+#define ASSERT_EQ(x, y) ASSERT_FALSE((x) != (y))
+#define ASSERT_NE(x, y) ASSERT_FALSE((x) == (y))
+#define ASSERT_NULL(p) ASSERT_FALSE(NULL != (p))
+#define ASSERT_NOT_NULL(p) ASSERT_FALSE(NULL == (p))
+#define ASSERT_MEM_EQ(p, q, n) ASSERT_FALSE(memcmp(p, q, n) != 0)
+
+extern int fail_count;
+
+#endif