08b776ac47
Change-Id: Ie380dda35cbf449669eb06d18cef284915dc748e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/239305 Reviewed-by: Jens Johansen <jensj@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>
36 lines
901 B
Dart
36 lines
901 B
Dart
// Copyright (c) 2019, 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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class Class {}
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extension Extension on Class {
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method0([a]) => a;
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method1([a = 42]) => a;
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method2({b = 87}) => b;
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method3({c = staticMethod}) => c();
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static staticMethod() => 123;
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}
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main() {
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Class c = new Class();
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var tearOff0 = c.method0;
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expect(0, tearOff0(0));
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expect(null, tearOff0());
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var tearOff1 = c.method1;
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expect(0, tearOff1(0));
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expect(42, tearOff1());
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var tearOff2 = c.method2;
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expect(0, tearOff2(b: 0));
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expect(87, tearOff2());
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var tearOff3 = c.method3;
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expect(0, tearOff3(c: () => 0));
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expect(123, tearOff3());
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}
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expect(expected, actual) {
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if (expected != actual) {
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throw 'Mismatch: expected=$expected, actual=$actual';
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}
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}
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