sigmund@google.com
64d7bc5acf
Review URL: https://chromiumcodereview.appspot.com//10248007 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@7101 260f80e4-7a28-3924-810f-c04153c831b5
82 lines
1.5 KiB
Dart
82 lines
1.5 KiB
Dart
// Copyright (c) 2012, 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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// Test correct instance compound assignment operator.
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class A {
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A() : f = 2 {}
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var f;
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operator [](index) => f;
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operator []=(index, value) => f = value;
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var _g = 0;
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var gGetCount = 0;
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var gSetCount = 0;
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get g() {
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gGetCount++;
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return _g;
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}
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set g(value) {
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gSetCount++;
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_g = value;
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}
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}
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class B {
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B() : _a = new A(), count = 0 {}
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get a() {
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count++;
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return _a;
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}
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var _a;
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var count;
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}
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var globalA;
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var fooCounter = 0;
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foo() {
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fooCounter++;
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return globalA;
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}
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main() {
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B b = new B();
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Expect.equals(0, b.count);
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Expect.equals(2, b.a.f);
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Expect.equals(1, b.count);
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var o = b.a;
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Expect.equals(2, b.count);
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b.a.f = 1;
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Expect.equals(3, b.count);
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Expect.equals(1, b._a.f);
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b.a.f += 1;
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Expect.equals(4, b.count);
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Expect.equals(2, b._a.f);
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b.count = 0;
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b._a.f = 2;
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Expect.equals(0, b.count);
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Expect.equals(2, b.a[0]);
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Expect.equals(1, b.count);
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o = b.a;
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Expect.equals(2, b.count);
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b.a[0] = 1;
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Expect.equals(3, b.count);
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Expect.equals(1, b._a.f);
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b.a[0] += 1;
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Expect.equals(4, b.count);
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Expect.equals(2, b._a.f);
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b._a.g++;
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Expect.equals(1, b._a.gGetCount);
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Expect.equals(1, b._a.gSetCount);
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Expect.equals(1, b._a._g);
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globalA = b._a;
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globalA.f = 0;
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foo().f += 1;
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Expect.equals(1, fooCounter);
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Expect.equals(1, globalA.f);
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}
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