initial commit of MinUnit test 'framework'

c_pointers/minunit.h

@@ -0,0 +1,16 @@
+// MinUnit test framework
+// taken from http://www.jera.com/techinfo/jtns/jtn002.html
+// slightly expanded, see http://stackoverflow.com/a/22732645
+
+#include <errno.h>
+#include <assert.h>
+
+#define mu_assert(message, test) do {if (!(test)) return message;} while (0)
+#define mu_run_test(test) do {char *message = test(); tests_run++; if (message) return message;} while (0)
+
+#define clean_errno() (errno == 0 ? "None" : strerror(errno))
+#define log_error(M, ...) fprintf(stderr, "[ERROR] (%s:%d: errno: %s) " M "\n", __FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
+#define assertf(A, M, ...) if(!(A)) {log_error(M, ##__VA_ARGS__); assert(A); }
+
+
+extern int tests_run;