Nate Biggs
be77b44e63
Change-Id: Id765d6682bf902c913093eca2ac4979d9596d4b1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/338720 Reviewed-by: Stephen Adams <sra@google.com> Commit-Queue: Nate Biggs <natebiggs@google.com>
58 lines
2.3 KiB
Dart
58 lines
2.3 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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import 'package:expect/expect.dart';
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main() {
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Expect.equals(0, 0.0.round());
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Expect.equals(0, double.minPositive.round());
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Expect.equals(0, (2.0 * double.minPositive).round());
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Expect.equals(0, (1.18e-38).round());
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Expect.equals(0, (1.18e-38 * 2).round());
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Expect.equals(1, 0.5.round());
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Expect.equals(1, 0.9999999999999999.round());
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Expect.equals(1, 1.0.round());
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Expect.equals(1, 1.000000000000001.round());
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if (webNumbers) {
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Expect.equals(1.7976931348623157e+308, double.maxFinite.round());
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} else {
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// Split 0x7fffffffffffffff into sum of two web numbers to avoid compilation
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// error.
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Expect.equals(0x7ffffffffffff000 + 0xfff, double.maxFinite.round());
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}
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Expect.equals(0, (-double.minPositive).round());
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Expect.equals(0, (2.0 * -double.minPositive).round());
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Expect.equals(0, (-1.18e-38).round());
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Expect.equals(0, (-1.18e-38 * 2).round());
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Expect.equals(-1, (-0.5).round());
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Expect.equals(-1, (-0.9999999999999999).round());
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Expect.equals(-1, (-1.0).round());
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Expect.equals(-1, (-1.000000000000001).round());
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if (webNumbers) {
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Expect.equals(-1.7976931348623157e+308, (-double.maxFinite).round());
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} else {
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Expect.equals(-9223372036854775808, (-double.maxFinite).round());
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}
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Expect.isTrue(0.0.round() is int);
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Expect.isTrue(double.minPositive.round() is int);
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Expect.isTrue((2.0 * double.minPositive).round() is int);
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Expect.isTrue((1.18e-38).round() is int);
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Expect.isTrue((1.18e-38 * 2).round() is int);
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Expect.isTrue(0.5.round() is int);
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Expect.isTrue(0.9999999999999999.round() is int);
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Expect.isTrue(1.0.round() is int);
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Expect.isTrue(1.000000000000001.round() is int);
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Expect.isTrue(double.maxFinite.round() is int);
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Expect.isTrue((-double.minPositive).round() is int);
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Expect.isTrue((2.0 * -double.minPositive).round() is int);
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Expect.isTrue((-1.18e-38).round() is int);
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Expect.isTrue((-1.18e-38 * 2).round() is int);
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Expect.isTrue((-0.5).round() is int);
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Expect.isTrue((-0.9999999999999999).round() is int);
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Expect.isTrue((-1.0).round() is int);
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Expect.isTrue((-1.000000000000001).round() is int);
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Expect.isTrue((-double.maxFinite).round() is int);
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}
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