| // 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. |
| // Tests double comparisons with NaN in different contexts. |
| // VMOptions=--optimization-counter-threshold=10 |
| |
| import "package:expect/expect.dart"; |
| |
| test_expr(a, b) => a != b; |
| |
| test_conditional(a, b) => a != b ? true : false; |
| |
| test_branch(a, b) { |
| if (a != b) { |
| return true; |
| } |
| return false; |
| } |
| |
| main() { |
| Expect.equals(true, test_expr(0.5, double.nan)); |
| for (var i = 0; i < 20; i++) test_expr(0.5, double.nan); |
| Expect.equals(true, test_expr(0.5, double.nan)); |
| |
| Expect.equals(true, test_conditional(0.5, double.nan)); |
| for (var i = 0; i < 20; i++) test_conditional(0.5, double.nan); |
| Expect.equals(true, test_conditional(0.5, double.nan)); |
| |
| Expect.equals(true, test_branch(0.5, double.nan)); |
| for (var i = 0; i < 20; i++) test_branch(0.5, double.nan); |
| Expect.equals(true, test_branch(0.5, double.nan)); |
| } |