dart-sdk/tests/dart2js_2/16967_test.dart
Joshua Litt 05ca544f15 [dart2js] Move tests/compiler/dart2js_extra to tests/dart2js_2.
Change-Id: Iaa0ca2b4f2d1b15f79ddca37834d3ed2497bc068
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149242
Commit-Queue: Joshua Litt <joshualitt@google.com>
Reviewed-by: Sigmund Cherem <sigmund@google.com>
2020-06-03 15:15:30 +00:00

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746 B
Dart

// Copyright (c) 2014, 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.
// @dart = 2.7
import 'package:expect/expect.dart';
// Regression test for http://dartbug.com/16967
// Tests type propagation of negation.
void main() {
new Foo().test();
}
class Foo {
var scale = 1;
void test() {
var scaleX = scale;
var scaleY = scale;
var flipX = true;
if (flipX) {
scaleX = -scaleX;
}
Expect.equals('X: -1, Y: 1', 'X: $scaleX, Y: $scaleY');
Expect.equals('true', '${scaleX < 0}', '$scaleX < 0');
Expect.equals('false', '${scaleY < 0}', '$scaleY < 0');
}
}