blob: c09fbf0cbec9f363b3f2ac5a5605be6f683c597d [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
// dart2jsOptions=--strong
import 'package:expect/expect.dart';
class Foo<T extends num> {}
class Bar<T extends num> {}
class Baz<T extends num> {}
main() {
test(new Foo(), Foo, expectTypeArguments: false);
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;