Files
sdk/tests/language_2/double_nan_comparison_test.dart
T
Lasse R.H. Nielsen 0b58c4bd10 Change some constant declarations to lowerCase.
Retain the old values.

Reapply of https://dart-review.googlesource.com/c/sdk/+/20680 with fixes
for VM method fingerprints.

Change-Id: Ie14e7ccc3194d5561983348e6b6752728913ff4d
Reviewed-on: https://dart-review.googlesource.com/20664
Reviewed-by: Erik Ernst <eernst@google.com>
Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
2017-11-14 12:59:14 +00:00

33 lines
1.0 KiB
Dart

// 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));
}