dart-sdk/tests/corelib_2/double_round_to_double3_test.dart
Janice Collins 28a856828b Migrate test block 7 to Dart 2.0.
duration2_test.dart converted to a static-only test and skipped where appropriate for non-strong.  error_stack_trace_test converted to a multitest and error_stack_trace1_test modified to use more modern catch convention for stack traces.

R=bkonyi@google.com, rnystrom@google.com

Review-Url: https://codereview.chromium.org/2987793002 .
2017-08-03 08:55:30 -07:00

35 lines
2 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.
import 'package:expect/expect.dart';
main() {
// The following numbers are on the border of 52 bits.
// For example: 4503599627370499 + 0.5 => 4503599627370500.
Expect.equals(4503599627370496.0, 4503599627370496.0.roundToDouble());
Expect.equals(4503599627370497.0, 4503599627370497.0.roundToDouble());
Expect.equals(4503599627370498.0, 4503599627370498.0.roundToDouble());
Expect.equals(4503599627370499.0, 4503599627370499.0.roundToDouble());
Expect.equals(9007199254740991.0, 9007199254740991.0.roundToDouble());
Expect.equals(9007199254740992.0, 9007199254740992.0.roundToDouble());
Expect.equals(-4503599627370496.0, (-4503599627370496.0).roundToDouble());
Expect.equals(-4503599627370497.0, (-4503599627370497.0).roundToDouble());
Expect.equals(-4503599627370498.0, (-4503599627370498.0).roundToDouble());
Expect.equals(-4503599627370499.0, (-4503599627370499.0).roundToDouble());
Expect.equals(-9007199254740991.0, (-9007199254740991.0).roundToDouble());
Expect.equals(-9007199254740992.0, (-9007199254740992.0).roundToDouble());
Expect.isTrue(4503599627370496.0.roundToDouble() is double);
Expect.isTrue(4503599627370497.0.roundToDouble() is double);
Expect.isTrue(4503599627370498.0.roundToDouble() is double);
Expect.isTrue(4503599627370499.0.roundToDouble() is double);
Expect.isTrue(9007199254740991.0.roundToDouble() is double);
Expect.isTrue(9007199254740992.0.roundToDouble() is double);
Expect.isTrue((-4503599627370496.0).roundToDouble() is double);
Expect.isTrue((-4503599627370497.0).roundToDouble() is double);
Expect.isTrue((-4503599627370498.0).roundToDouble() is double);
Expect.isTrue((-4503599627370499.0).roundToDouble() is double);
Expect.isTrue((-9007199254740991.0).roundToDouble() is double);
Expect.isTrue((-9007199254740992.0).roundToDouble() is double);
}