blob: 0c2c5dacdfec0cf5172e53339bcefb5fa8536ca0 [file] [log] [blame]
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.7
// Derived from tests/web_2/generic_type_error_message_test.
import 'package:expect/expect.dart';
/*class: Foo:*/
class Foo<T extends num> {}
/*class: Bar:*/
class Bar<T extends num> {}
/*class: Baz:explicit=[Baz<num*>*],needsArgs*/
class Baz<T extends num> {}
main() {
test(new Foo(), Foo, expectTypeArguments: false);
// ignore: unnecessary_cast
test(new Bar() as Bar<num>, Bar, expectTypeArguments: false);
Baz<num> b = new Baz();
dynamic c = b;
test(c as Baz<num>, Baz, expectTypeArguments: true);
void test(dynamic object, Type type, {bool expectTypeArguments}) {
bool caught = false;
try {
object as List<String>;
} catch (e) {
String expected = '$type';
if (!expectTypeArguments) {
expected = expected.substring(0, expected.indexOf('<'));
expected = "'$expected'";
'Expected "$expected" in the message: $e');
caught = true;