Robert Nystrom
1d7033aa4b
Change-Id: Ib7913221d11f795be8e415c10cbeb6a6f02143af Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151465 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com>
49 lines
1.3 KiB
Dart
49 lines
1.3 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 unresolved super[] and super[]=.
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import "package:expect/expect.dart";
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class A {
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var indexField = <int?>[null, null];
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operator []=(index, value);
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operator [](index);
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noSuchMethod(Invocation im) {
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if (im.memberName == const Symbol('[]=')) {
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Expect.equals(2, im.positionalArguments.length);
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indexField[im.positionalArguments[0]] = im.positionalArguments[1];
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} else if (im.memberName == const Symbol('[]')) {
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Expect.equals(1, im.positionalArguments.length);
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return indexField[im.positionalArguments[0]];
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} else {
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Expect.fail('Should not reach here');
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}
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}
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}
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class B extends A {
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test() {
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Expect.equals(42, super[0] = 42);
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Expect.equals(42, super[0]);
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Expect.equals(43, super[0] += 1);
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Expect.equals(43, super[0]);
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Expect.equals(43, super[0]++);
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Expect.equals(44, super[0]);
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Expect.equals(2, super[0] = 2);
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Expect.equals(2, super[0]);
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Expect.equals(3, super[0] += 1);
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Expect.equals(3, super[0]);
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Expect.equals(3, super[0]++);
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Expect.equals(4, super[0]);
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}
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}
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main() {
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new B().test();
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}
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