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192579020c
Bug: Change-Id: I194436597ba39b2e2b872fb58b77314ab925b3aa Reviewed-on: https://dart-review.googlesource.com/7080 Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com>
45 lines
1 KiB
Dart
45 lines
1 KiB
Dart
// Copyright (c) 2015, 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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class $B extends A {}
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class C implements $B {
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// Try to clash with dart2js's isCLASS field.
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var isB = false;
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var $isB = false;
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var is$B = false;
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var is$$B = false;
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var $is$B = false;
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var isA = false;
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var $isA = false;
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var is$A = false;
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var is$$A = false;
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var $is$A = false;
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}
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int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1));
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main() {
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var things = [new A(), new $B(), new C()];
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var a = things[inscrutable(0)];
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Expect.isTrue(a is A);
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Expect.isFalse(a is $B);
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Expect.isFalse(a is C);
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var b = things[inscrutable(1)];
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Expect.isTrue(b is A);
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Expect.isTrue(b is $B);
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Expect.isFalse(b is C);
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var c = things[inscrutable(2)];
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Expect.isTrue(c is A);
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Expect.isTrue(c is $B);
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Expect.isTrue(c is C);
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}
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