dart-sdk/tests/standalone/double_smi_comparison_test.dart
Robert Nystrom 35da19ac07 Migrate standalone_2 to null safety.
Change-Id: I0e97add738bc79314a210cf137525b7391467fc2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152595
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
2020-06-26 19:17:50 +00:00

24 lines
943 B
Dart

// Copyright (c) 2011, 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 correct comparison (equality and relational) when mixing double and
// Smi arguments. We convert Smi to doubles and to the operation. This is
// not correct in 64-bit mode where not every Smi can be converted to a
// double without loss of precision.
// VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation
import "package:expect/expect.dart";
equalityFunc(a, b) => a == b;
lessThanFunc(a, b) => a < b;
main() {
for (int i = 0; i < 20; i++) {
Expect.isFalse(equalityFunc(1.0, 4));
Expect.isTrue(lessThanFunc(1.0, 4));
}
Expect.isFalse(equalityFunc(3459045988797251776, 3459045988797251777));
Expect.isTrue(lessThanFunc(3459045988797251776, 3459045988797251777));
}