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91 lines
4.6 KiB
91 lines
4.6 KiB
12 years ago
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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description("This test ensures that NaN is handled correctly when converting numeric expressions to booleans.");
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shouldBe("NaN ? true : false", "false");
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shouldBe("1 ? true : false", "true");
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shouldBe("0 ? true : false", "false");
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shouldBe("-1 ? true : false", "true");
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shouldBe("1 * -1 ? true : false", "true");
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shouldBe("1 * 0 ? true : false", "false");
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shouldBe("1 * 1 ? true : false", "true");
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shouldBe("1 / -1 ? true : false", "true");
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shouldBe("1 / 0 ? true : false", "true");
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shouldBe("1 / 1 ? true : false", "true");
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shouldBe("1 % 2 ? true : false", "true");
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shouldBe("1 % 1 ? true : false", "false");
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shouldBe("1 + -1 ? true : false", "false");
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shouldBe("1 + 0 ? true : false", "true");
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shouldBe("1 + 1 ? true : false", "true");
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shouldBe("1 - -1 ? true : false", "true");
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shouldBe("1 - 0 ? true : false", "true");
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shouldBe("1 - 1 ? true : false", "false");
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shouldBe("1 & -1 ? true : false", "true");
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shouldBe("1 & 0 ? true : false", "false");
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shouldBe("1 & 1 ? true : false", "true");
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shouldBe("1 | -1 ? true : false", "true");
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shouldBe("1 | 0 ? true : false", "true");
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shouldBe("1 | 1 ? true : false", "true");
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shouldBe("1 ^ -1 ? true : false", "true");
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shouldBe("1 ^ 0 ? true : false", "true");
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shouldBe("1 ^ 1 ? true : false", "false");
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shouldBe("NaN * -1 ? true : false", "false");
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shouldBe("NaN * 0? true : false", "false");
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shouldBe("NaN * 1? true : false", "false");
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shouldBe("NaN / -1 ? true : false", "false");
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shouldBe("NaN / 0? true : false", "false");
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shouldBe("NaN / 1? true : false", "false");
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shouldBe("NaN % -1 ? true : false", "false");
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shouldBe("NaN % 0? true : false", "false");
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shouldBe("NaN % 1? true : false", "false");
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shouldBe("NaN + -1 ? true : false", "false");
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shouldBe("NaN + 0? true : false", "false");
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shouldBe("NaN + 1? true : false", "false");
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shouldBe("NaN - -1 ? true : false", "false");
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shouldBe("NaN - 0? true : false", "false");
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shouldBe("NaN - 1? true : false", "false");
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shouldBe("NaN & -1 ? true : false", "false");
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shouldBe("NaN & 0? true : false", "false");
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shouldBe("NaN & 1? true : false", "false");
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shouldBe("NaN | -1 ? true : false", "true");
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shouldBe("NaN | 0? true : false", "false");
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shouldBe("NaN | 1? true : false", "true");
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shouldBe("NaN ^ -1 ? true : false", "true");
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shouldBe("NaN ^ 0? true : false", "false");
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shouldBe("NaN ^ 1? true : false", "true");
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shouldBe("+NaN ? true : false", "false");
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shouldBe("-NaN ? true : false", "false");
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shouldBe("NaN && true ? true : false", "false");
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shouldBe("NaN && false ? true : false", "false");
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shouldBe("NaN || true ? true : false", "true");
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shouldBe("NaN || false ? true : false", "false");
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shouldBe("(function(){var nan = NaN; return nan-- ? true : false})()", "false");
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shouldBe("(function(){var nan = NaN; return nan++ ? true : false})()", "false");
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shouldBe("(function(){var nan = NaN; return --nan ? true : false})()", "false");
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shouldBe("(function(){var nan = NaN; return ++nan ? true : false})()", "false");
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shouldBe("(function(){var Undefined = undefined; return Undefined-- ? true : false})()", "false");
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shouldBe("(function(){var Undefined = undefined; return Undefined++ ? true : false})()", "false");
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shouldBe("(function(){var Undefined = undefined; return --Undefined ? true : false})()", "false");
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shouldBe("(function(){var Undefined = undefined; return ++Undefined ? true : false})()", "false");
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