Migrate more tests from blink repository.

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,'");