mirror of
https://github.com/dart-lang/sdk
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343fa26d65
Review URL: https://codereview.chromium.org//13724021 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@21079 260f80e4-7a28-3924-810f-c04153c831b5
62 lines
3 KiB
Dart
62 lines
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, 0.0.roundToDouble());
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Expect.equals(0.0, double.MIN_POSITIVE.roundToDouble());
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Expect.equals(0.0, (2.0 * double.MIN_POSITIVE).roundToDouble());
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Expect.equals(0.0, (1.18e-38).roundToDouble());
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Expect.equals(0.0, (1.18e-38 * 2).roundToDouble());
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Expect.equals(1.0, 0.5.roundToDouble());
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Expect.equals(1.0, 0.9999999999999999.roundToDouble());
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Expect.equals(1.0, 1.0.roundToDouble());
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Expect.equals(1.0, 1.000000000000001.roundToDouble());
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Expect.equals(2.0, 1.5.roundToDouble());
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Expect.equals(double.MAX_FINITE, double.MAX_FINITE.roundToDouble());
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Expect.equals(0.0, (-double.MIN_POSITIVE).roundToDouble());
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Expect.equals(0.0, (2.0 * -double.MIN_POSITIVE).roundToDouble());
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Expect.equals(0.0, (-1.18e-38).roundToDouble());
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Expect.equals(0.0, (-1.18e-38 * 2).roundToDouble());
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Expect.equals(-1.0, (-0.5).roundToDouble());
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Expect.equals(-1.0, (-0.9999999999999999).roundToDouble());
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Expect.equals(-1.0, (-1.0).roundToDouble());
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Expect.equals(-1.0, (-1.000000000000001).roundToDouble());
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Expect.equals(-2.0, (-1.5).roundToDouble());
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Expect.equals(-double.MAX_FINITE, (-double.MAX_FINITE).roundToDouble());
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Expect.equals(double.INFINITY, double.INFINITY.roundToDouble());
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Expect.equals(double.NEGATIVE_INFINITY,
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double.NEGATIVE_INFINITY.roundToDouble());
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Expect.isTrue(double.NAN.roundToDouble().isNaN);
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Expect.isTrue(0.0.roundToDouble() is double);
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Expect.isTrue(double.MIN_POSITIVE.roundToDouble() is double);
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Expect.isTrue((2.0 * double.MIN_POSITIVE).roundToDouble() is double);
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Expect.isTrue((1.18e-38).roundToDouble() is double);
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Expect.isTrue((1.18e-38 * 2).roundToDouble() is double);
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Expect.isTrue(0.5.roundToDouble() is double);
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Expect.isTrue(0.9999999999999999.roundToDouble() is double);
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Expect.isTrue(1.0.roundToDouble() is double);
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Expect.isTrue(1.000000000000001.roundToDouble() is double);
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Expect.isTrue(double.MAX_FINITE.roundToDouble() is double);
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Expect.isTrue((-double.MIN_POSITIVE).roundToDouble().isNegative);
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Expect.isTrue((2.0 * -double.MIN_POSITIVE).roundToDouble().isNegative);
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Expect.isTrue((-1.18e-38).roundToDouble().isNegative);
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Expect.isTrue((-1.18e-38 * 2).roundToDouble().isNegative);
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Expect.isTrue((-double.MIN_POSITIVE).roundToDouble() is double);
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Expect.isTrue((2.0 * -double.MIN_POSITIVE).roundToDouble() is double);
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Expect.isTrue((-1.18e-38).roundToDouble() is double);
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Expect.isTrue((-1.18e-38 * 2).roundToDouble() is double);
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Expect.isTrue((-0.5).roundToDouble() is double);
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Expect.isTrue((-0.9999999999999999).roundToDouble() is double);
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Expect.isTrue((-1.0).roundToDouble() is double);
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Expect.isTrue((-1.000000000000001).roundToDouble() is double);
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Expect.isTrue((-double.MAX_FINITE).roundToDouble() is double);
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} |