|  | // Copyright 2010 the V8 project authors. All rights reserved. | 
|  | // Redistribution and use in source and binary forms, with or without | 
|  | // modification, are permitted provided that the following conditions are | 
|  | // met: | 
|  | // | 
|  | //     * Redistributions of source code must retain the above copyright | 
|  | //       notice, this list of conditions and the following disclaimer. | 
|  | //     * Redistributions in binary form must reproduce the above | 
|  | //       copyright notice, this list of conditions and the following | 
|  | //       disclaimer in the documentation and/or other materials provided | 
|  | //       with the distribution. | 
|  | //     * Neither the name of Google Inc. nor the names of its | 
|  | //       contributors may be used to endorse or promote products derived | 
|  | //       from this software without specific prior written permission. | 
|  | // | 
|  | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
|  | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
|  | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
|  | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
|  | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
|  | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
|  | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
|  | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
|  | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
|  | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
|  | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  |  | 
|  | // Values in distinct spans. | 
|  | function or_test0(x, y) { return x | y; } | 
|  | function and_test0(x, y) { return x & y; } | 
|  | function add_test0(x, y) { return x + y; } | 
|  |  | 
|  | assertEquals(3, or_test0(1, 2));   // 1 | 2 | 
|  | assertEquals(2, and_test0(3, 6));  // 3 & 6 | 
|  | assertEquals(5, add_test0(2, 3));  // 2 + 3 | 
|  |  | 
|  |  | 
|  | // Values in the same span. | 
|  | function or_test1(x, y) { return x | x; } | 
|  | function and_test1(x, y) { return x & x; } | 
|  | function add_test1(x, y) { return x + x; } | 
|  |  | 
|  | assertEquals(1, or_test1(1, 2));   // 1 | 1 | 
|  | assertEquals(3, and_test1(3, 6));  // 3 & 3 | 
|  | assertEquals(4, add_test1(2, 3));  // 2 + 2 | 
|  |  | 
|  |  | 
|  | // Values in distinct spans that alias. | 
|  | function or_test2(x, y) { x = y; return x | y; } | 
|  | function and_test2(x, y) { x = y; return x & y; } | 
|  | function add_test2(x, y) { x = y; return x + y; } | 
|  |  | 
|  | assertEquals(2, or_test2(1, 2));   // 2 | 2 | 
|  | assertEquals(6, and_test2(3, 6));  // 6 & 6 | 
|  | assertEquals(6, add_test2(2, 3));  // 3 + 3 |