hausner@google.com
e86954ab57
Review URL: https://codereview.chromium.org//229543002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@34846 260f80e4-7a28-3924-810f-c04153c831b5
42 lines
1.3 KiB
Dart
42 lines
1.3 KiB
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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// Checks that abstract instance methods are correctly resolved.
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int get length => throw "error: top-level getter called";
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set height(x) { throw "error: top-level setter called"; }
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width() { throw "error: top-level function called"; }
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abstract class A {
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int get length; // Abstract instance getter.
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set height(x); // Abstract instance setter.
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int width(); // Abstract instance method.
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// Must resolve to non-abstract length getter in subclass.
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get useLength => length;
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// Must resolve to non-abstract height setter in subclass.
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setHeight(x) => height = x;
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// Must resolve to non-abstract width() method in subclass.
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useWidth() => width();
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}
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class A1 extends A {
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int length; // Implies a length getter.
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int height; // Implies a height setter.
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int width() => 345;
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A1(this.length);
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}
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main() {
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var a = new A1(123);
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Expect.equals(123, a.useLength);
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a.setHeight(234);
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Expect.equals(234, a.height);
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Expect.equals(345, a.useWidth());
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print([a.useLength, a.height, a.useWidth()]);
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}
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