1// Copyright 2013 the V8 project authors. All rights reserved. 2// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions 6// are met: 7// 1. Redistributions of source code must retain the above copyright 8// notice, this list of conditions and the following disclaimer. 9// 2. Redistributions in binary form must reproduce the above copyright 10// notice, this list of conditions and the following disclaimer in the 11// documentation and/or other materials provided with the distribution. 12// 13// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24description( 25"Tests whether peephole optimizations on bytecode properly deal with local registers." 26); 27 28function if_less_test() 29{ 30 var a = 0; 31 var b = 2; 32 if (a = 1 < 2) 33 return a == 1; 34} 35 36shouldBeTrue("if_less_test()"); 37 38function if_else_less_test() 39{ 40 var a = 0; 41 var b = 2; 42 if (a = 1 < 2) 43 return a == 1; 44 else 45 return false; 46} 47 48shouldBeTrue("if_else_less_test()"); 49 50function conditional_less_test() 51{ 52 var a = 0; 53 var b = 2; 54 return (a = 1 < 2) ? a == 1 : false; 55} 56 57shouldBeTrue("conditional_less_test()"); 58 59function logical_and_less_test() 60{ 61 var a = 0; 62 var b = 2; 63 return (a = 1 < 2) && a == 1; 64} 65 66shouldBeTrue("logical_and_less_test()"); 67 68function logical_or_less_test() 69{ 70 var a = 0; 71 var b = 2; 72 var result = (a = 1 < 2) || a == 1; 73 return a == 1; 74} 75 76shouldBeTrue("logical_or_less_test()"); 77 78function do_while_less_test() 79{ 80 var a = 0; 81 var count = 0; 82 do { 83 if (count == 1) 84 return a == 1; 85 count++; 86 } while (a = 1 < 2) 87} 88 89shouldBeTrue("do_while_less_test()"); 90 91function while_less_test() 92{ 93 var a = 0; 94 while (a = 1 < 2) 95 return a == 1; 96} 97 98shouldBeTrue("while_less_test()"); 99 100function for_less_test() 101{ 102 for (var a = 0; a = 1 < 2; ) 103 return a == 1; 104} 105 106shouldBeTrue("for_less_test()"); 107