mirror of
https://github.com/dart-lang/sdk
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fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
99 lines
2.8 KiB
Dart
99 lines
2.8 KiB
Dart
// Copyright (c) 2013, 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 S<T> {
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bool matches(o) => o is T;
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}
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class M {}
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class C0<T> = S with M;
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class C1<T> = S<T> with M;
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class C2<T> = S<int> with M;
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class C3 = S<String> with M;
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main() {
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var c0 = new C0();
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Expect.isTrue(c0 is S);
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Expect.isFalse(c0 is S<int>);
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Expect.isFalse(c0 is S<String>);
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Expect.isTrue(c0.matches(c0));
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Expect.isTrue(c0.matches(42));
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Expect.isTrue(c0.matches("hello"));
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var c0_int = new C0<int>();
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Expect.isTrue(c0_int is S);
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Expect.isFalse(c0_int is S<int>);
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Expect.isFalse(c0_int is S<String>);
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Expect.isTrue(c0_int.matches(c0));
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Expect.isTrue(c0_int.matches(42));
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Expect.isTrue(c0_int.matches("hello"));
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var c0_String = new C0<String>();
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Expect.isTrue(c0_String is S);
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Expect.isFalse(c0_String is S<int>);
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Expect.isFalse(c0_String is S<String>);
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Expect.isTrue(c0_String.matches(c0));
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Expect.isTrue(c0_String.matches(42));
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Expect.isTrue(c0_String.matches("hello"));
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var c1 = new C1();
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Expect.isTrue(c1 is S);
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Expect.isFalse(c1 is S<int>);
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Expect.isFalse(c1 is S<String>);
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Expect.isTrue(c1.matches(c1));
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Expect.isTrue(c1.matches(42));
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Expect.isTrue(c1.matches("hello"));
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var c1_int = new C1<int>();
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Expect.isTrue(c1_int is S);
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Expect.isTrue(c1_int is S<int>);
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Expect.isFalse(c1_int is S<String>);
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Expect.isFalse(c1_int.matches(c1));
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Expect.isTrue(c1_int.matches(42));
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Expect.isFalse(c1_int.matches("hello"));
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var c1_String = new C1<String>();
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Expect.isTrue(c1_String is S);
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Expect.isFalse(c1_String is S<int>);
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Expect.isTrue(c1_String is S<String>);
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Expect.isFalse(c1_String.matches(c1));
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Expect.isFalse(c1_String.matches(42));
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Expect.isTrue(c1_String.matches("hello"));
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var c2 = new C2();
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Expect.isTrue(c2 is S);
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Expect.isTrue(c2 is S<int>);
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Expect.isFalse(c2 is S<String>);
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Expect.isFalse(c2.matches(c2));
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Expect.isTrue(c2.matches(42));
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Expect.isFalse(c2.matches("hello"));
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var c2_int = new C2<int>();
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Expect.isTrue(c2_int is S);
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Expect.isTrue(c2_int is S<int>);
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Expect.isFalse(c2_int is S<String>);
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Expect.isFalse(c2_int.matches(c2));
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Expect.isTrue(c2_int.matches(42));
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Expect.isFalse(c2_int.matches("hello"));
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var c2_String = new C2<String>();
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Expect.isTrue(c2_String is S);
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Expect.isTrue(c2_String is S<int>);
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Expect.isFalse(c2_String is S<String>);
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Expect.isFalse(c2_String.matches(c2));
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Expect.isTrue(c2_String.matches(42));
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Expect.isFalse(c2_String.matches("hello"));
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var c3 = new C3();
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Expect.isTrue(c3 is S);
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Expect.isFalse(c3 is S<int>);
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Expect.isTrue(c3 is S<String>);
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Expect.isFalse(c3.matches(c2));
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Expect.isFalse(c3.matches(42));
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Expect.isTrue(c3.matches("hello"));
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}
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