Joshua Litt
20faaa5d94
Change-Id: Ib18f554c1076f27a3f7c0df5a36410da41a1f467 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/148784 Reviewed-by: Paul Berry <paulberry@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
59 lines
1.5 KiB
Dart
59 lines
1.5 KiB
Dart
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.7
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import 'package:async_helper/async_helper.dart';
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import '../helpers/d8_helper.dart';
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import '../helpers/memory_compiler.dart';
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const String SOURCE1 = r'''
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import 'package:expect/expect.dart';
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class A {}
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class B {}
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method1<T extends A>() {}
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class C {
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method2<T, S extends T>() {}
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}
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main() {
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bool printError(e) {
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print(e); return true;
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}
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method3<T extends B>() {}
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dynamic m1 = method1;
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dynamic m2 = new C().method2;
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dynamic m3 = method3;
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m1<A>();
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Expect.throws(() => m1<B>(), printError);
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m2<A, A>();
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Expect.throws(() => m2<B, A>(), printError);
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m3<B>();
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Expect.throws(() => m3<A>(), printError);
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}
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''';
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const String OUTPUT1 = r'''
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TypeError: The type argument 'B' is not a subtype of the type variable bound 'A' of type variable 'T' in 'method1'.
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TypeError: The type argument 'A' is not a subtype of the type variable bound 'B' of type variable 'S' in 'method2'.
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TypeError: The type argument 'A' is not a subtype of the type variable bound 'B' of type variable 'T' in 'call'.
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''';
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main(List<String> args) {
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asyncTest(() async {
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await runWithD8(
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memorySourceFiles: {'main.dart': SOURCE1},
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expectedOutput: OUTPUT1,
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printJs: args.contains('-v'),
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options: ['--libraries-spec=$sdkLibrariesSpecificationUri']);
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});
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}
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