Version 3.20.11.1

test/webkit/fast/js/kde/math.js

-// 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("KDE JS Test");
-var negativeZero = Math.atan2(-1, Infinity); // ### any nicer way?
-
-function isNegativeZero(n)
-{
-  return n == 0 && 1 / n < 0;
-}
-
-// self tests
-shouldBeTrue("isNegativeZero(negativeZero)");
-shouldBeFalse("isNegativeZero(0)");
-
-// Constants
-shouldBe("String()+Math.E", "'2.718281828459045'");
-shouldBe("String()+Math.LN2", "'0.6931471805599453'");
-shouldBe("String()+Math.LN10", "'2.302585092994046'");
-shouldBe("String()+Math.LOG2E", "'1.4426950408889634'");
-shouldBe("String()+Math.LOG10E", "'0.4342944819032518'");
-shouldBe("String()+Math.PI", "'3.141592653589793'");
-shouldBe("String()+Math.SQRT1_2", "'0.7071067811865476'");
-shouldBe("String()+Math.SQRT2", "'1.4142135623730951'");
-
-shouldBe("String()+Number.NaN", "'NaN'");
-shouldBe("String()+Number.NEGATIVE_INFINITY", "'-Infinity'");
-shouldBe("String()+Number.POSITIVE_INFINITY", "'Infinity'");
-
-// Functions
-shouldBe("Math.abs(-5)", "5");
-shouldBe("Math.acos(0)", "Math.PI/2");
-shouldBe("Math.acos(1)", "0");
-shouldBe("Math.ceil(1.1)", "2");
-shouldBe("String()+Math.sqrt(2)", "String()+Math.SQRT2");
-shouldBe("Math.ceil(1.6)", "2");
-shouldBe("Math.round(0)", "0");
-shouldBeFalse("isNegativeZero(Math.round(0))");
-shouldBeTrue("isNegativeZero(Math.round(negativeZero))");
-shouldBe("Math.round(0.2)", "0");
-shouldBeTrue("isNegativeZero(Math.round(-0.2))");
-shouldBeTrue("isNegativeZero(Math.round(-0.5))");
-shouldBe("Math.round(1.1)", "1");
-shouldBe("Math.round(1.6)", "2");
-shouldBe("Math.round(-3.5)", "-3");
-shouldBe("Math.round(-3.6)", "-4");
-shouldBeTrue("isNaN(Math.round())");
-shouldBeTrue("isNaN(Math.round(NaN))");
-shouldBe("Math.round(-Infinity)", "-Infinity");
-shouldBe("Math.round(Infinity)", "Infinity");
-shouldBe("Math.round(99999999999999999999.99)", "100000000000000000000");
-shouldBe("Math.round(-99999999999999999999.99)", "-100000000000000000000");
-
-// Math.log()
-shouldBe("Math.log(Math.E*Math.E)", "2");
-shouldBeTrue("isNaN(Math.log(NaN))");
-shouldBeTrue("isNaN(Math.log(-1))");
-shouldBeFalse("isFinite(Math.log(0))");
-shouldBe("Math.log(1)", "0");
-shouldBeFalse("isFinite(Math.log(Infinity))");
-
-// Math.min()
-shouldBeTrue("isNegativeZero(Math.min(negativeZero, 0))");
-
-// Math.max()
-shouldBeFalse("isFinite(Math.max())");
-shouldBe("Math.max(1)", "1"); // NS 4.x and IE 5.x seem to know about 2 arg version only
-shouldBe("Math.max(1, 2, 3)", "3"); // NS 4.x and IE 5.x seem to know about 2 arg version only
-shouldBeTrue("isNaN(Math.max(1,NaN,3))");
-shouldBeTrue("!isNegativeZero(Math.max(negativeZero, 0))");
-
-
-list=""
-for ( var i in Math ) { list += i + ','; }
-shouldBe("list","''");
-
-var my = new Object;
-my.v = 1;
-
-// Deleting/assigning
-shouldBe("delete my.v", "true")
-shouldBeUndefined("my.v");
-shouldBe("delete Math.PI", "false")
-function myfunc( num ) { return num+1; }
-shouldBe("my = myfunc, myfunc(4)", "5");
-
-// Conversions
-shouldBe("Boolean(Math)", "true");
-shouldBeTrue("isNaN(Number(Math));");
-
-// Unicity
-shouldBe("Math.abs===Math.abs", "true")
-shouldBe("Math.abs===Math.round", "false")
-
-// Iteration
-obj = new Object;
-obj.a = 1;
-obj.b = 2;
-list=""
-for ( var i in obj ) { list += i + ','; }
-shouldBe("list","'a,b,'");
-
-// (check that Math's properties and functions are not enumerable)
-list=""
-for ( var i in Math ) { list += i + ','; }
-shouldBe("list","''");
-
-Math.myprop=true; // adding a custom property to the math object (why not?)
-list=""
-for ( var i in Math ) { list += i + ','; }
-shouldBe("list","'myprop,'");