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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
41 lines
1.8 KiB
Dart
41 lines
1.8 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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// @dart = 2.9
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import 'package:expect/expect.dart';
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main() {
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// The following numbers are on the border of 52 bits.
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// For example: 4503599627370499 + 0.5 => 4503599627370500.
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Expect.equals(4503599627370496, 4503599627370496.0.round());
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Expect.equals(4503599627370497, 4503599627370497.0.round());
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Expect.equals(4503599627370498, 4503599627370498.0.round());
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Expect.equals(4503599627370499, 4503599627370499.0.round());
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Expect.equals(9007199254740991, 9007199254740991.0.round());
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Expect.equals(9007199254740992, 9007199254740992.0.round());
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Expect.equals(-4503599627370496, (-4503599627370496.0).round());
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Expect.equals(-4503599627370497, (-4503599627370497.0).round());
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Expect.equals(-4503599627370498, (-4503599627370498.0).round());
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Expect.equals(-4503599627370499, (-4503599627370499.0).round());
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Expect.equals(-9007199254740991, (-9007199254740991.0).round());
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Expect.equals(-9007199254740992, (-9007199254740992.0).round());
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Expect.isTrue(4503599627370496.0.round() is int);
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Expect.isTrue(4503599627370497.0.round() is int);
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Expect.isTrue(4503599627370498.0.round() is int);
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Expect.isTrue(4503599627370499.0.round() is int);
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Expect.isTrue(9007199254740991.0.round() is int);
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Expect.isTrue(9007199254740992.0.round() is int);
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Expect.isTrue((-4503599627370496.0).round() is int);
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Expect.isTrue((-4503599627370497.0).round() is int);
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Expect.isTrue((-4503599627370498.0).round() is int);
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Expect.isTrue((-4503599627370499.0).round() is int);
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Expect.isTrue((-9007199254740991.0).round() is int);
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Expect.isTrue((-9007199254740992.0).round() is int);
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}
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