1// Copyright 2013 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Test bitwise operations with booleans. 29 30var t = 1; 31 32function testFalseLeftHandSide() { 33 var b; 34 if (t) b = false; 35 assertEquals(b | 1, 1); 36 assertEquals(b & 1, 0); 37 assertEquals(b ^ 1, 1); 38 assertEquals(b << 1, 0); 39 assertEquals(b >> 1, 0); 40 assertEquals(b >>> 1, 0); 41} 42 43function testFalseRightHandSide() { 44 if (t) b = false; 45 assertEquals(1 | b, 1); 46 assertEquals(1 & b, 0); 47 assertEquals(1 ^ b, 1); 48 assertEquals(1 << b, 1); 49 assertEquals(1 >> b, 1); 50 assertEquals(1 >>> b, 1); 51} 52 53function testTrueLeftHandSide() { 54 if (t) b = true; 55 assertEquals(b | 1, 1); 56 assertEquals(b & 1, 1); 57 assertEquals(b ^ 1, 0); 58 assertEquals(b << 1, 2); 59 assertEquals(b >> 1, 0); 60 assertEquals(b >>> 1, 0); 61} 62 63function testTrueRightHandSide() { 64 if (t) b = true; 65 assertEquals(1 | b, 1); 66 assertEquals(1 & b, 1); 67 assertEquals(1 ^ b, 0); 68 assertEquals(1 << b, 2); 69 assertEquals(1 >> b, 0); 70 assertEquals(1 >>> b, 0); 71} 72 73function testBothSides() { 74 if (t) a = true; 75 if (t) b = false; 76 assertEquals(a | b, 1); 77 assertEquals(a & b, 0); 78 assertEquals(a ^ b, 1); 79 assertEquals(a << b, 1); 80 assertEquals(a >> b, 1); 81 assertEquals(a >>> b, 1); 82} 83 84 85testFalseLeftHandSide(); 86testFalseRightHandSide(); 87testTrueLeftHandSide(); 88testTrueRightHandSide(); 89testFalseLeftHandSide(); 90testFalseRightHandSide(); 91testTrueLeftHandSide(); 92testTrueRightHandSide(); 93testBothSides(); 94testBothSides(); 95