Robert Nystrom
f205141a42
Change-Id: Ib798b9573ee8ec924f87104684934785fadc8189 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/141702 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Leaf Petersen <leafp@google.com> Reviewed-by: Erik Ernst <eernst@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
77 lines
2.6 KiB
Dart
77 lines
2.6 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 A {
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const A();
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foo() => 42;
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}
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class B {
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foo() => 42;
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}
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main() {
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// Use an array to defeat type inferencing.
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var array = <dynamic>[new A(), new A(), new B(), new B()];
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var set = new Set.from(array.map((a) => a.foo));
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Expect.equals(array.length, set.length);
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set.addAll(array.map((a) => a.foo));
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Expect.equals(array.length, set.length);
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for (int i = 0; i < array.length; i += 2) {
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Expect.isTrue(set.contains(array[i].foo));
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Expect.equals(array[i], array[i]);
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Expect.equals(array[i].foo, array[i].foo);
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Expect.equals(array[i].foo.hashCode, array[i].foo.hashCode);
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for (int j = 0; j < array.length; j++) {
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if (i == j) continue;
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Expect.notEquals(array[i].foo, array[j].foo);
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}
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}
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// Try with dart2js intercepted types.
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array = <dynamic>['foo', 'bar', [], [], const []];
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set = new Set.from(array.map((a) => a.indexOf));
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Expect.equals(array.length, set.length);
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set.addAll(array.map((a) => a.indexOf));
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Expect.equals(array.length, set.length);
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for (int i = 0; i < array.length; i += 2) {
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Expect.isTrue(set.contains(array[i].indexOf));
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Expect.equals(array[i], array[i]);
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Expect.equals(array[i].indexOf, array[i].indexOf);
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Expect.equals(array[i].indexOf.hashCode, array[i].indexOf.hashCode);
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for (int j = 0; j < array.length; j++) {
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if (i == j) continue;
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Expect.notEquals(array[i].indexOf, array[j].indexOf);
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}
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}
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array = <dynamic>[const A(), const A()];
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set = new Set.from(array.map((a) => a.foo));
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Expect.equals(1, set.length);
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set.addAll(array.map((a) => a.foo));
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Expect.equals(1, set.length);
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Expect.isTrue(set.contains(array[0].foo));
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Expect.equals(array[0].foo, array[0].foo);
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Expect.equals(array[0].foo.hashCode, array[0].foo.hashCode);
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Expect.equals(array[0].foo, array[1].foo);
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Expect.equals(array[0].foo.hashCode, array[1].foo.hashCode);
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array = <dynamic>[const [], const []];
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set = new Set.from(array.map((a) => a.indexOf));
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Expect.equals(1, set.length);
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set.addAll(array.map((a) => a.indexOf));
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Expect.equals(1, set.length);
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Expect.isTrue(set.contains(array[0].indexOf));
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Expect.equals(array[0].indexOf, array[0].indexOf);
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Expect.equals(array[0].indexOf.hashCode, array[0].indexOf.hashCode);
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Expect.equals(array[0].indexOf, array[1].indexOf);
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Expect.equals(array[0].indexOf.hashCode, array[1].indexOf.hashCode);
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}
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