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-rw-r--r--unittest/unittest.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/unittest/unittest.h b/unittest/unittest.h
new file mode 100644
index 0000000..2350f55
--- /dev/null
+++ b/unittest/unittest.h
@@ -0,0 +1,72 @@
+#ifndef _UNITTEST_H_
+#define _UNITTEST_H_
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "stringify.h"
+
+#define TEST_PASS 0
+#define TEST_FAIL 1
+
+#define test_print(fmt, args...) \
+ fprintf(stderr, "%s:%d:" fmt, __FILE__, __LINE__, ##args)
+
+#define assert_err(fmt, args...) \
+ test_print("Assertion error: " fmt, ##args)
+
+/* Assert the expression 'expr' */
+#define test_assert(expr) ({if (!(expr)) { \
+ assert_err(__stringify(expr) "\n"); \
+ exit(TEST_FAIL); \
+ }})
+
+/* Assert the expression 'expr' and print 'msg' on fail */
+#define test_assert_msg(expr, msg) ({if (!(expr)) { \
+ assert_err(msg "\n"); \
+ exit(TEST_FAIL); \
+ }})
+
+/* Assert that a == b */
+#define test_assert_eq(a, b) ({ \
+ if ((a) != (b)) { \
+ assert_err(__stringify(a) " != " __stringify(b) "\n"); \
+ exit(TEST_FAIL); \
+ }})
+
+/* Assert that a != b */
+#define test_assert_neq(a, b) ({ \
+ if ((a) == (b)) { \
+ assert_err(__stringify(a) " == " __stringify(b) "\n"); \
+ exit(TEST_FAIL); \
+ }})
+
+/* Assert that a is NULL */
+#define test_assert_null(a) ({ \
+ if ((a) != NULL) { \
+ assert_err(__stringify(a) " not NULL\n"); \
+ exit(TEST_FAIL); \
+ }})
+
+/* Assert that a is not NULL */
+#define test_assert_not_null(a) ({ \
+ if ((a) == NULL) { \
+ assert_err(__stringify(a) " is NULL\n"); \
+ exit(TEST_FAIL); \
+ }})
+
+static inline int __xstrmatch(const char *ctx, const char *arg)
+{
+ size_t len = strlen(ctx);
+ return (strlen(arg) == len && strncmp(arg, ctx, len) == 0);
+}
+
+/* Assert that string a matches string b */
+#define test_assert_str_eq(a, b) ({ \
+ if (!__xstrmatch((a), (b))) { \
+ assert_err(__stringify(a) " does not match " __stringify(b) "\n"); \
+ exit(TEST_FAIL); \
+ }})
+
+#endif /* _UNITTEST_H_ */