More concrete error in Panics and PanicsWithValue

Author: ernesto-jimenez

assert/assertions.go

@@ -876,7 +876,7 @@ func Panics(t TestingT, f PanicTestFunc, msgAndArgs ...interface{}) bool {
 	}
 
 	if funcDidPanic, panicValue := didPanic(f); !funcDidPanic {
-		return Fail(t, fmt.Sprintf("func %#v should panic\n\tPanic value:\t%v", f, panicValue), msgAndArgs...)
+		return Fail(t, fmt.Sprintf("func %#v should panic\n\tPanic value:\t%#v", f, panicValue), msgAndArgs...)
 	}
 
 	return true
@@ -893,10 +893,10 @@ func PanicsWithValue(t TestingT, expected interface{}, f PanicTestFunc, msgAndAr
 
 	funcDidPanic, panicValue := didPanic(f)
 	if !funcDidPanic {
-		return Fail(t, fmt.Sprintf("func %#v should panic\n\tPanic value:\t%v", f, panicValue), msgAndArgs...)
+		return Fail(t, fmt.Sprintf("func %#v should panic\n\tPanic value:\t%#v", f, panicValue), msgAndArgs...)
 	}
 	if panicValue != expected {
-		return Fail(t, fmt.Sprintf("func %#v should panic with value:\t%v\n\tPanic value:\t%v", f, expected, panicValue), msgAndArgs...)
+		return Fail(t, fmt.Sprintf("func %#v should panic with value:\t%#v\n\tPanic value:\t%#v", f, expected, panicValue), msgAndArgs...)
 	}
 
 	return true