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912005267d
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680 Commit-Queue: Sigmund Cherem <sigmund@google.com> Reviewed-by: Joshua Litt <joshualitt@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com> Reviewed-by: Stephen Adams <sra@google.com>
49 lines
1.3 KiB
Dart
49 lines
1.3 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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import 'package:expect/expect.dart';
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class Class1 {
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num method1<T>(num n) => throw 'unreachable';
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num method2<T>(int n) => throw 'unreachable';
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int method3<T>(num n) => throw 'unreachable';
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}
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class Class2 {
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num method4<T>(T n) => throw 'unreachable';
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}
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class Class3 {
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T method5<T>(num n) => throw 'unreachable';
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}
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class Class4 {
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num method6<T>(num n, T t) => throw 'unreachable';
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}
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num method7<T>(T n) => throw 'unreachable';
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T method8<T>(num n) => throw 'unreachable';
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num method9<T>(num n, T t) => throw 'unreachable';
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@pragma('dart2js:noInline')
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test(o) => o is num Function(num);
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forceInstantiation(num Function(num) f) => f;
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main() {
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Expect.isFalse(test(new Class1().method1));
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Expect.isFalse(test(new Class1().method2));
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Expect.isFalse(test(new Class1().method3));
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Expect.isTrue(test(forceInstantiation(new Class2().method4)));
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Expect.isTrue(test(forceInstantiation(new Class3().method5)));
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Expect.isFalse(test(new Class4().method6));
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Expect.isTrue(test(forceInstantiation(method7)));
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Expect.isTrue(test(forceInstantiation(method8)));
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Expect.isFalse(test(method9));
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}
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