| /* |
| * 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 This operator implements a bit-wise XOR operation. |
| * @description Checks that this operator returns correct value. |
| * @author vasya |
| * @reviewer msyabro |
| * @reviewer rodionov |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.equals(0, 0 ^ 0); |
| Expect.equals(1, 0 ^ 1); |
| Expect.equals(1, 1 ^ 0); |
| Expect.equals(0, 1 ^ 1); |
| |
| Expect.equals(0, 3 ^ 3); |
| Expect.equals(1, 3 ^ 2); |
| Expect.equals(3, 1 ^ 2); |
| Expect.equals(3, 0 ^ 3); |
| |
| Expect.equals(0x1A, 0x19 ^ 0x03); |
| Expect.equals(0x06, 0x0F ^ 0x09); |
| |
| // x ^ y ^ y = x |
| Expect.equals(0x19, 0x19 ^ (0x03 ^ 0x03)); |
| Expect.equals(0x19, (0x19 ^ 0x03) ^ 0x03); |
| Expect.equals(0x03, 0x19 ^ (0x03 ^ 0x19)); |
| Expect.equals(0x03, (0x19 ^ 0x03) ^ 0x19); |
| |
| // x ^ x = 0 |
| Expect.equals(0, 0xABC235D235EFE23678FDBCA ^ 0xABC235D235EFE23678FDBCA); |
| // x ^ 0 = x |
| Expect.equals(0xABC235D235EFE23678FDBCA, 0xABC235D235EFE23678FDBCA ^ 0); |
| Expect.equals(0xABC235D235EFE23678FDBCA, 0 ^ 0xABC235D235EFE23678FDBCA); |
| |
| // (2^70) ^ (2^70 - 1) = 2^71 - 1 |
| Expect.equals(0x7FFFFFFFFFFFFFFFFF, 0x400000000000000000 ^ 0x3FFFFFFFFFFFFFFFFF); |
| |
| Expect.equals(-2, 1 ^ (-1)); |
| Expect.equals(-0x10000000000000001, (-1) ^ 0x010000000000000000); // 1 << 64 |
| // TODO: add more checks when it's clear how larger integers are represented in binary |
| //Expect.equals(0x7fffffffffffffffff, (-1) ^ 0x800000000000000000); // 1 << 71 |
| } |
| |