dart-sdk/tests/language/vm/regress_34466_test.dart
Robert Nystrom 2034061433 Migrate language_2/vm to NNBD.
Change-Id: I313a57ed7c7ea2ada75065f55a7367376f6bdae5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152183
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Srujan Gaddam <srujzs@google.com>
2020-06-25 20:39:23 +00:00

54 lines
1.3 KiB
Dart

// Copyright (c) 2018, 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.
// Test NaN comparison (dartbug.com/34466 and dartbug.com/34467).
// VMOptions=--no_background_compilation --optimization_counter_threshold=10
import "package:expect/expect.dart";
double dvar = double.nan;
int doit() {
if (!(((-84).toDouble() <= double.nan))) {
return 1;
} else {
return 2;
}
}
doTests() {
Expect.isFalse(dvar > dvar);
Expect.isFalse(dvar < dvar);
Expect.isFalse(dvar <= dvar);
Expect.isFalse(dvar >= dvar);
Expect.isFalse(dvar > -dvar);
Expect.isFalse(-dvar > dvar);
Expect.isTrue(!(dvar > dvar));
Expect.isTrue(!(dvar < dvar));
Expect.isTrue(!(dvar <= dvar));
Expect.isTrue(!(dvar >= dvar));
Expect.isTrue(!(dvar > -dvar));
Expect.isTrue(!(-dvar > dvar));
Expect.equals(1, doit());
Expect.isFalse(dvar == dvar);
Expect.isFalse(dvar == -dvar);
Expect.isTrue(dvar != dvar);
Expect.isTrue(dvar != -dvar);
Expect.isTrue(!(dvar == dvar));
Expect.isTrue(!(dvar == -dvar));
Expect.isFalse(!(dvar != dvar));
Expect.isFalse(!(dvar != -dvar));
}
void main() {
for (int i = 0; i < 20; ++i) {
doTests();
}
}