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 24 description("This test ensures that NaN is handled correctly when converting numeric expressions to booleans."); 25 26 shouldBe("NaN ? true : false", "false"); 27 shouldBe("1 ? true : false", "true"); 28 shouldBe("0 ? true : false", "false"); 29 shouldBe("-1 ? true : false", "true"); 30 shouldBe("1 * -1 ? true : false", "true"); 31 shouldBe("1 * 0 ? true : false", "false"); 32 shouldBe("1 * 1 ? true : false", "true"); 33 shouldBe("1 / -1 ? true : false", "true"); 34 shouldBe("1 / 0 ? true : false", "true"); 35 shouldBe("1 / 1 ? true : false", "true"); 36 shouldBe("1 % 2 ? true : false", "true"); 37 shouldBe("1 % 1 ? true : false", "false"); 38 shouldBe("1 + -1 ? true : false", "false"); 39 shouldBe("1 + 0 ? true : false", "true"); 40 shouldBe("1 + 1 ? true : false", "true"); 41 shouldBe("1 - -1 ? true : false", "true"); 42 shouldBe("1 - 0 ? true : false", "true"); 43 shouldBe("1 - 1 ? true : false", "false"); 44 shouldBe("1 & -1 ? true : false", "true"); 45 shouldBe("1 & 0 ? true : false", "false"); 46 shouldBe("1 & 1 ? true : false", "true"); 47 shouldBe("1 | -1 ? true : false", "true"); 48 shouldBe("1 | 0 ? true : false", "true"); 49 shouldBe("1 | 1 ? true : false", "true"); 50 shouldBe("1 ^ -1 ? true : false", "true"); 51 shouldBe("1 ^ 0 ? true : false", "true"); 52 shouldBe("1 ^ 1 ? true : false", "false"); 53 shouldBe("NaN * -1 ? true : false", "false"); 54 shouldBe("NaN * 0? true : false", "false"); 55 shouldBe("NaN * 1? true : false", "false"); 56 shouldBe("NaN / -1 ? true : false", "false"); 57 shouldBe("NaN / 0? true : false", "false"); 58 shouldBe("NaN / 1? true : false", "false"); 59 shouldBe("NaN % -1 ? true : false", "false"); 60 shouldBe("NaN % 0? true : false", "false"); 61 shouldBe("NaN % 1? true : false", "false"); 62 shouldBe("NaN + -1 ? true : false", "false"); 63 shouldBe("NaN + 0? true : false", "false"); 64 shouldBe("NaN + 1? true : false", "false"); 65 shouldBe("NaN - -1 ? true : false", "false"); 66 shouldBe("NaN - 0? true : false", "false"); 67 shouldBe("NaN - 1? true : false", "false"); 68 shouldBe("NaN & -1 ? true : false", "false"); 69 shouldBe("NaN & 0? true : false", "false"); 70 shouldBe("NaN & 1? true : false", "false"); 71 shouldBe("NaN | -1 ? true : false", "true"); 72 shouldBe("NaN | 0? true : false", "false"); 73 shouldBe("NaN | 1? true : false", "true"); 74 shouldBe("NaN ^ -1 ? true : false", "true"); 75 shouldBe("NaN ^ 0? true : false", "false"); 76 shouldBe("NaN ^ 1? true : false", "true"); 77 shouldBe("+NaN ? true : false", "false"); 78 shouldBe("-NaN ? true : false", "false"); 79 shouldBe("NaN && true ? true : false", "false"); 80 shouldBe("NaN && false ? true : false", "false"); 81 shouldBe("NaN || true ? true : false", "true"); 82 shouldBe("NaN || false ? true : false", "false"); 83 shouldBe("(function(){var nan = NaN; return nan-- ? true : false})()", "false"); 84 shouldBe("(function(){var nan = NaN; return nan++ ? true : false})()", "false"); 85 shouldBe("(function(){var nan = NaN; return --nan ? true : false})()", "false"); 86 shouldBe("(function(){var nan = NaN; return ++nan ? true : false})()", "false"); 87 shouldBe("(function(){var Undefined = undefined; return Undefined-- ? true : false})()", "false"); 88 shouldBe("(function(){var Undefined = undefined; return Undefined++ ? true : false})()", "false"); 89 shouldBe("(function(){var Undefined = undefined; return --Undefined ? true : false})()", "false"); 90 shouldBe("(function(){var Undefined = undefined; return ++Undefined ? true : false})()", "false"); 91
