diff --git a/test/testing.c b/test/testing.c
index 3ff2688d..d1ee094f 100644
--- a/test/testing.c
+++ b/test/testing.c
@@ -31,10 +31,11 @@ static testingT *testsBeforeTail = NULL;
 static testingT *testsAfter = NULL;
 static testingT *testsAfterTail = NULL;
 
-static testingT *newTest(const char *name, void (*f)(testingT *), testingT *prev)
+static testingT *newTest(const char *name, void (*f)(testingT *), const char *file, long line, testingT *prev)
 {
 	testingT *t;
 
+printf("%s %s %ld\n", name, file, line);
 	t = testingprivNew(testingT);
 	t->name = name;
 	t->f = f;
@@ -49,31 +50,31 @@ static testingT *newTest(const char *name, void (*f)(testingT *), testingT *prev
 	return t;
 }
 
-void testingprivRegisterTest(const char *name, void (*f)(testingT *))
+void testingprivRegisterTest(const char *name, void (*f)(testingT *), const char *file, long line)
 {
 	testingT *t;
 
-	t = newTest(name, f, testsTail);
+	t = newTest(name, f, file, line, testsTail);
 	testsTail = t;
 	if (tests == NULL)
 		tests = t;
 }
 
-void testingprivRegisterTestBefore(const char *name, void (*f)(testingT *))
+void testingprivRegisterTestBefore(const char *name, void (*f)(testingT *), const char *file, long line)
 {
 	testingT *t;
 
-	t = newTest(name, f, testsBeforeTail);
+	t = newTest(name, f, file, line, testsBeforeTail);
 	testsBeforeTail = t;
 	if (testsBefore == NULL)
 		testsBefore = t;
 }
 
-void testingprivRegisterTestAfter(const char *name, void (*f)(testingT *))
+void testingprivRegisterTestAfter(const char *name, void (*f)(testingT *), const char *file, long line)
 {
 	testingT *t;
 
-	t = newTest(name, f, testsAfterTail);
+	t = newTest(name, f, file, line, testsAfterTail);
 	testsAfterTail = t;
 	if (testsAfter == NULL)
 		testsAfter = t;
diff --git a/test/testing.h b/test/testing.h
index 7bcdb8c9..2f969be1 100644
--- a/test/testing.h
+++ b/test/testing.h
@@ -20,10 +20,10 @@
 #define testingprivCtorPtrName(basename) testingprivCtorPtr ## basename
 #if defined(__GNUC__)
 #define testingprivMkCtor(basename, regfunc) \
-	__attribute__((constructor)) static void testingprivCtorName(basename)(void) { regfunc(#basename, testingprivScaffoldName(basename)); }
+	__attribute__((constructor)) static void testingprivCtorName(basename)(void) { regfunc(#basename, testingprivScaffoldName(basename), __FILE__, __LINE__); }
 #elif defined(_MSC_VER)
 #define testingprivMkCtor(basename, reg) \
-	static int testingprivCtorName(basename)(void) { regfunc(#basename, testingprivScaffoldName(basename)); return 0; } \
+	static int testingprivCtorName(basename)(void) { regfunc(#basename, testingprivScaffoldName(basename), __FILE__, __LINE__); return 0; } \
 	__pragma(section(".CRT$XCU",read)) \
 	__declspec(allocate(".CRT$XCU")) static int (*testingprivCtorPtrName(basename))(void) = testingprivCtorName(basename);
 #else
@@ -67,9 +67,9 @@ extern void testingTFailNow(testingT *t);
 extern void testingTSkipNow(testingT *t);
 extern void testingTDefer(testingT *t, void (*f)(testingT *t, void *data), void *data);
 
-extern void testingprivRegisterTest(const char *, void (*)(testingT *));
-extern void testingprivRegisterTestBefore(const char *, void (*)(testingT *));
-extern void testingprivRegisterTestAfter(const char *, void (*)(testingT *));
+extern void testingprivRegisterTest(const char *, void (*)(testingT *), const char *, long);
+extern void testingprivRegisterTestBefore(const char *, void (*)(testingT *), const char *, long);
+extern void testingprivRegisterTestAfter(const char *, void (*)(testingT *), const char *, long);
 // see https://stackoverflow.com/questions/32399191/va-args-expansion-using-msvc
 #define testingprivExpand(x) x
 #define testingprivTLogfThen(then, t, ...) ((testingprivTLogfFull(t, __FILE__, __LINE__, __VA_ARGS__)), (then(t)))