| // 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. |
| |
| // @dart = 2.9 |
| |
| import 'package:expect/expect.dart'; |
| |
| main() { |
| Expect.equals(0.0, 0.0.floorToDouble()); |
| Expect.equals(0.0, double.minPositive.floorToDouble()); |
| Expect.equals(0.0, (2.0 * double.minPositive).floorToDouble()); |
| Expect.equals(0.0, (1.18e-38).floorToDouble()); |
| Expect.equals(0.0, (1.18e-38 * 2).floorToDouble()); |
| Expect.equals(0.0, 0.49999999999999994.floorToDouble()); |
| Expect.equals(0.0, 0.5.floorToDouble()); |
| Expect.equals(0.0, 0.9999999999999999.floorToDouble()); |
| Expect.equals(1.0, 1.0.floorToDouble()); |
| Expect.equals(1.0, 1.000000000000001.floorToDouble()); |
| // The following numbers are on the border of 52 bits. |
| // For example: 4503599627370499 + 0.5 => 4503599627370500. |
| Expect.equals(4503599627370496.0, 4503599627370496.0.floorToDouble()); |
| Expect.equals(4503599627370497.0, 4503599627370497.0.floorToDouble()); |
| Expect.equals(4503599627370498.0, 4503599627370498.0.floorToDouble()); |
| Expect.equals(4503599627370499.0, 4503599627370499.0.floorToDouble()); |
| |
| Expect.equals(9007199254740991.0, 9007199254740991.0.floorToDouble()); |
| Expect.equals(9007199254740992.0, 9007199254740992.0.floorToDouble()); |
| Expect.equals(double.maxFinite, double.maxFinite.floorToDouble()); |
| |
| Expect.equals(-1.0, (-double.minPositive).floorToDouble()); |
| Expect.equals(-1.0, (2.0 * -double.minPositive).floorToDouble()); |
| Expect.equals(-1.0, (-1.18e-38).floorToDouble()); |
| Expect.equals(-1.0, (-1.18e-38 * 2).floorToDouble()); |
| Expect.equals(-1.0, (-0.49999999999999994).floorToDouble()); |
| Expect.equals(-1.0, (-0.5).floorToDouble()); |
| Expect.equals(-1.0, (-0.9999999999999999).floorToDouble()); |
| Expect.equals(-1.0, (-1.0).floorToDouble()); |
| Expect.equals(-2.0, (-1.000000000000001).floorToDouble()); |
| Expect.equals(-4503599627370496.0, (-4503599627370496.0).floorToDouble()); |
| Expect.equals(-4503599627370497.0, (-4503599627370497.0).floorToDouble()); |
| Expect.equals(-4503599627370498.0, (-4503599627370498.0).floorToDouble()); |
| Expect.equals(-4503599627370499.0, (-4503599627370499.0).floorToDouble()); |
| Expect.equals(-9007199254740991.0, (-9007199254740991.0).floorToDouble()); |
| Expect.equals(-9007199254740992.0, (-9007199254740992.0).floorToDouble()); |
| Expect.equals(-double.maxFinite, (-double.maxFinite).floorToDouble()); |
| |
| Expect.equals(double.infinity, double.infinity.floorToDouble()); |
| Expect.equals( |
| double.negativeInfinity, double.negativeInfinity.floorToDouble()); |
| Expect.isTrue(double.nan.floorToDouble().isNaN); |
| |
| Expect.isTrue(0.0.floorToDouble() is double); |
| Expect.isTrue(double.minPositive.floorToDouble() is double); |
| Expect.isTrue((2.0 * double.minPositive).floorToDouble() is double); |
| Expect.isTrue((1.18e-38).floorToDouble() is double); |
| Expect.isTrue((1.18e-38 * 2).floorToDouble() is double); |
| Expect.isTrue(0.49999999999999994.floorToDouble() is double); |
| Expect.isTrue(0.5.floorToDouble() is double); |
| Expect.isTrue(0.9999999999999999.floorToDouble() is double); |
| Expect.isTrue(1.0.floorToDouble() is double); |
| Expect.isTrue(1.000000000000001.floorToDouble() is double); |
| Expect.isTrue(4503599627370496.0.floorToDouble() is double); |
| Expect.isTrue(4503599627370497.0.floorToDouble() is double); |
| Expect.isTrue(4503599627370498.0.floorToDouble() is double); |
| Expect.isTrue(4503599627370499.0.floorToDouble() is double); |
| Expect.isTrue(9007199254740991.0.floorToDouble() is double); |
| Expect.isTrue(9007199254740992.0.floorToDouble() is double); |
| Expect.isTrue(double.maxFinite.floorToDouble() is double); |
| |
| Expect.isTrue((-double.minPositive).floorToDouble() is double); |
| Expect.isTrue((2.0 * -double.minPositive).floorToDouble() is double); |
| Expect.isTrue((-1.18e-38).floorToDouble() is double); |
| Expect.isTrue((-1.18e-38 * 2).floorToDouble() is double); |
| Expect.isTrue((-0.49999999999999994).floorToDouble() is double); |
| Expect.isTrue((-0.5).floorToDouble() is double); |
| Expect.isTrue((-0.9999999999999999).floorToDouble() is double); |
| Expect.isTrue((-1.0).floorToDouble() is double); |
| Expect.isTrue((-1.000000000000001).floorToDouble() is double); |
| Expect.isTrue((-4503599627370496.0).floorToDouble() is double); |
| Expect.isTrue((-4503599627370497.0).floorToDouble() is double); |
| Expect.isTrue((-4503599627370498.0).floorToDouble() is double); |
| Expect.isTrue((-4503599627370499.0).floorToDouble() is double); |
| Expect.isTrue((-9007199254740991.0).floorToDouble() is double); |
| Expect.isTrue((-9007199254740992.0).floorToDouble() is double); |
| Expect.isTrue((-double.maxFinite).floorToDouble() is double); |
| } |