dart-sdk/tests/language_2/super_operator_index6_test.dart
Dmitry Stefantsov 52b2a869bc Update some noSuchMethod based tests to the currently desired behavior.
Fixes #33498

Bug: http://dartbug.com/33498
Change-Id: I4a62a830cc8993748da816967753a8ce9a025d46
Reviewed-on: https://dart-review.googlesource.com/61500
Commit-Queue: Dmitry Stefantsov <dmitryas@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2018-06-21 12:54:42 +00:00

47 lines
1.1 KiB
Dart

// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Test for unresolved super[].
import "package:expect/expect.dart";
class A {
var indexField = new List(2);
operator []=(index, value) {
indexField[index] = value;
}
operator [](index);
noSuchMethod(Invocation im) {
if (im.memberName == const Symbol('[]')) {
Expect.equals(1, im.positionalArguments.length);
return indexField[im.positionalArguments[0]];
} else {
Expect.fail('Should not reach here');
}
}
}
class B extends A {
test() {
Expect.equals(42, super[0] = 42);
Expect.equals(42, super[0]);
Expect.equals(43, super[0] += 1);
Expect.equals(43, super[0]);
Expect.equals(43, super[0]++);
Expect.equals(44, super[0]);
Expect.equals(2, super[0] = 2);
Expect.equals(2, super[0]);
Expect.equals(3, super[0] += 1);
Expect.equals(3, super[0]);
Expect.equals(3, super[0]++);
Expect.equals(4, super[0]);
}
}
main() {
new B().test();
}