start adding unit tests

2 files changed, 70 insertions, 0 deletions

diff --git a/tests/include/dbg.h b/tests/include/dbg.h
new file mode 100644
index 0000000..0401ea1
--- /dev/null
+++ b/tests/include/dbg.h
@@ -0,0 +1,36 @@
+#ifndef __dbg_h__
+#define __dbg_h__
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#ifdef NDEBUG
+#define debug(M, ...)
+#else
+#define debug(M, ...) fprintf(stderr, "DEBUG %s:%d: " M "\n", __FILE__, \
+		__LINE__, ##__VA_ARGS__)
+#endif
+
+#define clean_errno() (errno == 0 ? "None" : strerror(errno))
+
+#define log_err(M, ...) fprintf(stderr, "[ERROR] (%s:%d: errno: %s) " M "\n", \
+		__FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
+
+#define log_warn(M, ...) fprintf(stderr, "[WARN] (%s:%d: errno: %s) " M "\n", \
+		__FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
+
+#define log_info(M, ...) fprintf(stderr, "[INFO] (%s:%d) " M "\n", \
+		__FILE__, __LINE__, ##__VA_ARGS__)
+
+#define check(A, M, ...) if(!(A)) { log_err(M, ##__VA_ARGS__); errno=0; \
+	goto error; }
+
+#define sentinel(M, ...) { log_err(M, ##__VA_ARGS__); errno=0; goto error; }
+
+#define check_mem(A) check((A), "Out of memory.");
+
+#define check_debug(A, M, ...) if (!(A)) { debug(M, ##__VA_ARGS__); errno=0; \
+	goto error; }
+
+#endif
diff --git a/tests/include/minunit.h b/tests/include/minunit.h
new file mode 100644
index 0000000..4197310
--- /dev/null
+++ b/tests/include/minunit.h
@@ -0,0 +1,34 @@
+#undef NDEBUG
+#ifndef _minunit_h
+#define _minunit_h
+
+#include "dbg.h"
+#include <stdlib.h>
+
+#define mu_suite_start() char *message = NULL
+
+#define mu_assert(test, message) if (!(test)) { log_err(message); return message; }
+
+#define mu_run_test(test) debug("\n-----%s", " " #test); \
+	message = test(); tests_run++; if (message) return message;
+
+#define RUN_TESTS(name) int main(int argc, char *argv[]) {\
+	argc = 1; \
+	debug("\n-----\nRUNNING: %s", argv[0]);\
+	printf("----\nRUNNING: %s\n", argv[0]);\
+	char *result = name();\
+	if (result != 0) {\
+		printf("\033[91mFAILED:\033[0m %s\n", result);\
+	}\
+	else {\
+		printf("ALL TESTS \033[92mPASSED\033[0m\n");\
+	}\
+	printf("Tests run: %d\n", tests_run);\
+	exit(result != 0);\
+}
+
+#define mu_test_missing() printf("\033[33;1mWARNING: Test missing\033[0m\n");
+
+int tests_run;
+
+#endif