Bob Nystrom
ba84855c0a
Change-Id: I4d60b650a2146c1d9be0fd0c5f98eac85f9e2eb1 Reviewed-on: https://dart-review.googlesource.com/16333 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com>
36 lines
789 B
Dart
36 lines
789 B
Dart
// Copyright (c) 2014, 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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int call(String str) => 499;
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}
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typedef int F(String str);
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main() {
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var a = new A();
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if (a is Function) {
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Expect.isTrue(a is A);
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} else {
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Expect.fail("a should be a Function");
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}
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var a2 = new A();
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if (a2 is F) {
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Expect.isTrue(a2 is A);
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} else {
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Expect.fail("a2 should be an F");
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}
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Function a3 = new A();
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// Dart2Js mistakenly assumed that Function and A couldn't be related and
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// returned false for a is A.
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Expect.isTrue(a3 is A);
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F a4 = new A();
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Expect.isTrue(a4 is A);
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}
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