Print more informative assert message

ASSERT_EQUAL() is for int-like types that will print with %d.

diff --git a/tests/unit/glkunit.h b/tests/unit/glkunit.h
index 3828987b739c2fc6b73f20e8d1bc3f5cc09dbcd8..e50d19fc820cf97e97e1d996fb0c213ced1475a1 100644 (file)
--- a/tests/unit/glkunit.h
+++ b/tests/unit/glkunit.h
@@ -15,7 +15,10 @@
 
 #define SUCCEED _BEGIN return 1; _END
 #define ASSERT(expr) _ASSERT(expr, "%s", #expr)
-#define ASSERT_EQUAL(expected, actual) _ASSERT((expected) == (actual), "%s == %s", #expected, #actual);
+/* This macro is meant for int-like things that can print with %d */
+#define ASSERT_EQUAL(expected, actual) _ASSERT((expected) == (actual), \
+    "%s == %s (expected %d, was %d)", \
+    #actual, #expected, expected, actual);
 
 struct TestDescription {
     char *name;