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// Flags: --allow-natives-syntax 29 30function test(fun, expectation) { 31 assertEquals(1, fun(1)); 32 %OptimizeFunctionOnNextCall(fun); 33 assertEquals(expectation, fun(0)); 34} 35 36test(function(x) { 37 var a = x ? true : false; 38 return a | 0; 39}, 0); 40 41test(function(x) { 42 var a = x ? true : true; 43 return a | 0; 44}, 1); 45 46test(function(x) { 47 var a = x ? true : "0"; 48 return a | 0; 49}, 0); 50 51test(function(x) { 52 var a = x ? true : "1"; 53 return a | 0; 54}, 1); 55 56test(function(x) { 57 var a = x ? true : "-1"; 58 return a | 0; 59}, -1); 60 61test(function(x) { 62 var a = x ? true : "-0"; 63 return a | 0; 64}, 0); 65 66test(function(x) { 67 var a = x ? true : "0x1234"; 68 return a | 0; 69}, 0x1234); 70 71test(function(x) { 72 var a = x ? true : { valueOf: function() { return 2; } }; 73 return a | 0; 74}, 2); 75 76test(function(x) { 77 var a = x ? true : undefined; 78 return a | 0; 79}, 0); 80 81test(function(x) { 82 var a = x ? true : null; 83 return a | 0; 84}, 0); 85 86test(function(x) { 87 var a = x ? true : ""; 88 return a | 0; 89}, 0); 90