| // 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() { |
| const int big = 0x123456789AB0000 + 0xCDEF; // Slightly rounded on web. |
| |
| Expect.equals(0.0, 0.truncateToDouble()); |
| Expect.equals(1.0, 1.truncateToDouble()); |
| Expect.equals(0x1234, 0x1234.truncateToDouble()); |
| Expect.equals(0x12345678, 0x12345678.truncateToDouble()); |
| Expect.equals(0x123456789AB, 0x123456789AB.truncateToDouble()); |
| Expect.equals(81985529216486900.0, big.truncateToDouble()); |
| Expect.equals(-1.0, (-1).truncateToDouble()); |
| Expect.equals(-0x1234, (-0x1234).truncateToDouble()); |
| Expect.equals(-0x12345678, (-0x12345678).truncateToDouble()); |
| Expect.equals(-0x123456789AB, (-0x123456789AB).truncateToDouble()); |
| Expect.equals(-81985529216486900.0, (-big).truncateToDouble()); |
| |
| Expect.isTrue(0.truncateToDouble() is double); |
| Expect.isTrue(1.truncateToDouble() is double); |
| Expect.isTrue(0x1234.truncateToDouble() is double); |
| Expect.isTrue(0x12345678.truncateToDouble() is double); |
| Expect.isTrue(0x123456789AB.truncateToDouble() is double); |
| Expect.isTrue(big.truncateToDouble() is double); |
| Expect.isTrue((-1).truncateToDouble() is double); |
| Expect.isTrue((-0x1234).truncateToDouble() is double); |
| Expect.isTrue((-0x12345678).truncateToDouble() is double); |
| Expect.isTrue((-0x123456789AB).truncateToDouble() is double); |
| Expect.isTrue((-big).truncateToDouble() is double); |
| } |