Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
101 lines
2.0 KiB
Dart
101 lines
2.0 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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// Test for the evaluation order of getters and setters.
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import 'package:expect/expect.dart';
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var trace;
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class X {
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get b {
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trace.add('get b');
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return new X();
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}
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set c(value) {
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trace.add('set c');
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}
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toString() {
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trace.add('toString');
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return 'X';
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}
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get c {
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trace.add('get c');
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return 42;
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}
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get d {
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trace.add('get d');
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return new X();
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}
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operator [](index) {
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trace.add('index');
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return 42;
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}
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operator []=(index, value) {
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trace.add('indexSet');
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}
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}
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main() {
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var x = new X();
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trace = [];
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x.b.c = '$x';
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Expect.listEquals(['get b', 'toString', 'set c'], trace);
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trace = [];
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x.b.c += '$x'.hashCode;
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Expect.listEquals(['get b', 'get c', 'toString', 'set c'], trace);
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trace = [];
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x.b.c++;
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Expect.listEquals(['get b', 'get c', 'set c'], trace);
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trace = [];
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x.b.d[42] = '$x';
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Expect.listEquals(['get b', 'get d', 'toString', 'indexSet'], trace);
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trace = [];
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x.b.d[42] += '$x'.hashCode;
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Expect.listEquals(['get b', 'get d', 'index', 'toString', 'indexSet'], trace);
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trace = [];
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x.b.d[42]++;
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Expect.listEquals(['get b', 'get d', 'index', 'indexSet'], trace);
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trace = [];
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++x.b.d[42];
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Expect.listEquals(['get b', 'get d', 'index', 'indexSet'], trace);
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trace = [];
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x.b.d[x.c] *= '$x'.hashCode;
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Expect.listEquals(
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['get b', 'get d', 'get c', 'index', 'toString', 'indexSet'], trace);
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trace = [];
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x.b.c = x.d.c = '$x';
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Expect.listEquals([
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'get b',
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'get d',
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'toString',
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'set c',
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'set c',
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], trace);
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trace = [];
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x.b.c = x.d[42] *= '$x'.hashCode;
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Expect.listEquals(
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['get b', 'get d', 'index', 'toString', 'indexSet', 'set c'], trace);
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trace = [];
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x.b.c = ++x.d.c;
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Expect.listEquals(['get b', 'get d', 'get c', 'set c', 'set c'], trace);
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}
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