re-implement basic lily_assert_msg() macro

1 files changed, 23 insertions, 2 deletions

diff --git a/lily-test.h b/lily-test.h
index a94f292..1894127 100644
--- a/lily-test.h
+++ b/lily-test.h
@@ -1,12 +1,33 @@
 #ifndef LILY_TEST_H
 #define LILY_TEST_H
 
+#include <stddef.h>
+
+/* gives a string like 'some/filename:xxx' */
+#define STR_IMP(x) #x
+#define STR(x) STR_IMP(x)
 /* define SOURCE_PATH_SIZE to strip away the
    leading parts of the full compilation path */
 #ifndef SOURCE_PATH_SIZE
-#define LILY_FILENAME __FILE__
+#define LILY_LOCATION "" __FILE__ ":" STR(__LINE__)
 #else
-#define LILY_FILENAME (__FILE__ + SOURCE_PATH_SIZE)
+#define LILY_LOCATION (("" __FILE__ ":" STR(__LINE__)) + SOURCE_PATH_SIZE)
 #endif
 
+struct lily_test_result_t {
+   int error;
+   const char *message;
+   const char *location;
+};
+
+typedef struct lily_test_result_t lily_test;
+#define LILY_SUCCESS (struct lily_test_result_t){ 0, NULL, NULL }
+
+// assertions
+#define lily_assert_msg(statement, message) do {			\
+      if(!(statement)) {						\
+	 return (struct lily_test_result_t){1, (message), LILY_LOCATION}; \
+      }									\
+   } while(0)
+
 #endif