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912005267d
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680 Commit-Queue: Sigmund Cherem <sigmund@google.com> Reviewed-by: Joshua Litt <joshualitt@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com> Reviewed-by: Stephen Adams <sra@google.com>
33 lines
746 B
Dart
33 lines
746 B
Dart
// Copyright (c) 2014, 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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// @dart = 2.7
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import 'package:expect/expect.dart';
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// Regression test for http://dartbug.com/16967
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// Tests type propagation of negation.
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void main() {
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new Foo().test();
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}
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class Foo {
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var scale = 1;
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void test() {
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var scaleX = scale;
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var scaleY = scale;
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var flipX = true;
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if (flipX) {
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scaleX = -scaleX;
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}
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Expect.equals('X: -1, Y: 1', 'X: $scaleX, Y: $scaleY');
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Expect.equals('true', '${scaleX < 0}', '$scaleX < 0');
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Expect.equals('false', '${scaleY < 0}', '$scaleY < 0');
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}
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}
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