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>
92 lines
1.4 KiB
Dart
92 lines
1.4 KiB
Dart
// TODO(multitest): This was automatically migrated from a multitest and may
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// contain strange or dead code.
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// 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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import "package:expect/expect.dart";
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// Test cascades.
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class A {
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int x;
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int y;
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A(this.x, this.y);
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A setX(int x) {
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this.x = x;
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return this;
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}
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void setY(int y) {
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this.y = y;
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}
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Function swap() {
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int tmp = x;
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x = y;
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y = tmp;
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return this.swap;
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}
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void check(int x, int y) {
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Expect.equals(x, this.x);
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Expect.equals(y, this.y);
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}
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operator [](var i) {
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if (i == 0) return x;
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if (i == 1) return y;
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if (i == "swap") return this.swap;
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return null;
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}
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operator []=(int i, int value) {
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if (i == 0) {
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x = value;
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} else if (i == 1) {
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y = value;
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}
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}
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/**
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* A pseudo-keyword.
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*/
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import() {
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x++;
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}
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}
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main() {
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A a = new A(1, 2);
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a
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..check(1, 2)
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..swap()
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..check(2, 1)
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..x = 4
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..y = 9
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..check(4, 9)
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..setX(10)
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..check(10, 9)
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..y = 5
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..check(10, 5)
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..swap()()()
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..check(5, 10)
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..[0] = 2
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..check(2, 10)
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..setX(10).setY(3)
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..check(10, 3)
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..setX(7)["swap"]()
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..check(3, 7)
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..import()
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..check(4, 7)
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..["swap"]()()()
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..check(7, 4);
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a.check(7, 4);
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}
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