Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
33 lines
1.0 KiB
Dart
33 lines
1.0 KiB
Dart
// Copyright (c) 2013, 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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// Tests double comparisons with NaN in different contexts.
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// VMOptions=--optimization-counter-threshold=10
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import "package:expect/expect.dart";
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test_expr(a, b) => a != b;
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test_conditional(a, b) => a != b ? true : false;
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test_branch(a, b) {
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if (a != b) {
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return true;
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}
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return false;
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}
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main() {
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Expect.equals(true, test_expr(0.5, double.nan));
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for (var i = 0; i < 20; i++) test_expr(0.5, double.nan);
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Expect.equals(true, test_expr(0.5, double.nan));
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Expect.equals(true, test_conditional(0.5, double.nan));
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for (var i = 0; i < 20; i++) test_conditional(0.5, double.nan);
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Expect.equals(true, test_conditional(0.5, double.nan));
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Expect.equals(true, test_branch(0.5, double.nan));
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for (var i = 0; i < 20; i++) test_branch(0.5, double.nan);
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Expect.equals(true, test_branch(0.5, double.nan));
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}
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