// Copyright 2013 the V8 project authors. All rights reserved. // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // 1. Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. description( "This test checks for potential edge case bugs with certain math transforms involving multiplication by 1 and unary plus." ); var values = { someInt: 42, someFloat: 42.42, one: 1, minusOne: -1, zero: 0, minusZero: -0, infinity: Infinity, minusInfinity: -Infinity, notANumber: NaN, nonNumberString: "x", someFloatString: "42.42" }; var numberForString = { nonNumberString: "notANumber", someFloatString: "someFloat" }; for (var name in values) { var numForStr = numberForString[name] ? numberForString[name] : name; shouldBe("values." + name + " * 1", "+values." + name); shouldBe("values." + name + " * 1", stringify(values[numForStr])); shouldBe("1 * values." + name, "+values." + name); shouldBe("1 * values." + name, stringify(values[numForStr])); } for (var name1 in values) { var numForStr1 = numberForString[name1] ? numberForString[name1] : name1; for (var name2 in values) { var numForStr2 = numberForString[name2] ? numberForString[name2] : name2; shouldBe("+values." + name1 + " * values." + name2, "values." + name1 + " * values." + name2); shouldBe("+values." + name1 + " * values." + name2, stringify(values[name1] * values[name2])); shouldBe("values." + name1 + " * +values." + name2, "values." + name1 + " * values." + name2); shouldBe("values." + name1 + " * +values." + name2, stringify(values[name1] * values[name2])); shouldBe("+values." + name1 + " * +values." + name2, "values." + name1 + " * values." + name2); shouldBe("+values." + name1 + " * +values." + name2, stringify(values[name1] * values[name2])); shouldBe("+values." + name1 + " / values." + name2, "values." + name1 + " / values." + name2); shouldBe("+values." + name1 + " / values." + name2, stringify(values[name1] / values[name2])); shouldBe("values." + name1 + " / +values." + name2, "values." + name1 + " / values." + name2); shouldBe("values." + name1 + " / +values." + name2, stringify(values[name1] / values[name2])); shouldBe("+values." + name1 + " / +values." + name2, "values." + name1 + " / values." + name2); shouldBe("+values." + name1 + " / +values." + name2, stringify(values[name1] / values[name2])); shouldBe("+values." + name1 + " - values." + name2, "values." + name1 + " - values." + name2); shouldBe("+values." + name1 + " - values." + name2, stringify(values[name1] - values[name2])); shouldBe("values." + name1 + " - +values." + name2, "values." + name1 + " - values." + name2); shouldBe("values." + name1 + " - +values." + name2, stringify(values[name1] - values[name2])); shouldBe("+values." + name1 + " - +values." + name2, "values." + name1 + " - values." + name2); shouldBe("+values." + name1 + " - +values." + name2, stringify(values[name1] - values[name2])); } }