| /* |
| * Copyright (c) 2011, 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. |
| */ |
| /** |
| * @assertion int operator <<(int shiftAmount) |
| * This operator implements bit-wise left-shift operation. |
| * @description Checks that this operator returns correct value for non-negative |
| * and not exceedingly large arguments. |
| * @author vasya |
| * @reviewer msyabro |
| * @reviewer rodionov |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.equals(0, 0 << 2); |
| Expect.equals(1, 1 << 0); |
| Expect.equals(14, 7 << 1); |
| Expect.equals(36, 9 << 2); |
| Expect.equals(32, 4 << 3); |
| Expect.equals(14, 7 << 1); |
| Expect.equals(52, 13 <<2); |
| Expect.equals(16, 1 << 4); |
| Expect.equals(0, 0 << 4); |
| Expect.equals(4, 4 << 0); |
| |
| Expect.equals(1024, 1 << 10); |
| Expect.equals(512, 1 << 9); |
| Expect.equals(256, 1 << 8); |
| Expect.equals(128, 1 << 7); |
| Expect.equals(64, 1 << 6); |
| Expect.equals(32, 1 << 5); |
| Expect.equals(16, 1 << 4); |
| Expect.equals(8, 1 << 3); |
| Expect.equals(4, 1 << 2); |
| Expect.equals(2, 1 << 1); |
| Expect.equals(1, 1 << 0); |
| |
| Expect.equals(-1024, -1 << 10); |
| Expect.equals(-512, -1 << 9); |
| Expect.equals(-256, -1 << 8); |
| Expect.equals(-128, -1 << 7); |
| Expect.equals(-64, -1 << 6); |
| Expect.equals(-32, -1 << 5); |
| Expect.equals(-16, -1 << 4); |
| Expect.equals(-8, -1 << 3); |
| Expect.equals(-4, -1 << 2); |
| Expect.equals(-2, -1 << 1); |
| Expect.equals(-1, -1 << 0); |
| |
| Expect.equals(0x40000000000000000000000000000000000000, 0x10000000000000000000000000 << 50); //2^100 << 50 |
| Expect.equals(0x10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, |
| 1 << 1024); |
| } |