JezK
Edit File: touint32.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * 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. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT // OWNER OR 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. function ToUInt32(x) { return x >>> 0; } assertEquals(0, ToUInt32(0), "0"); assertEquals(0, ToUInt32(-0), "-0"); assertEquals(0, ToUInt32(Infinity), "Infinity"); assertEquals(0, ToUInt32(-Infinity), "-Infinity"); assertEquals(0, ToUInt32(NaN), "NaN"); assertEquals(0, ToUInt32(Number.MIN_VALUE), "MIN"); assertEquals(0, ToUInt32(-Number.MIN_VALUE), "-MIN"); assertEquals(0, ToUInt32(0.1), "0.1"); assertEquals(0, ToUInt32(-0.1), "-0.1"); assertEquals(1, ToUInt32(1), "1"); assertEquals(1, ToUInt32(1.1), "1.1"); assertEquals(4294967295, ToUInt32(-1), "-1"); assertEquals(4294967295, ToUInt32(-1.1), "-1.1"); assertEquals(2147483647, ToUInt32(2147483647), "2147483647"); assertEquals(2147483648, ToUInt32(2147483648), "2147483648"); assertEquals(2147483649, ToUInt32(2147483649), "2147483649"); assertEquals(4294967295, ToUInt32(4294967295), "4294967295"); assertEquals(0, ToUInt32(4294967296), "4294967296"); assertEquals(1, ToUInt32(4294967297), "4294967297"); assertEquals(2147483649, ToUInt32(-2147483647), "-2147483647"); assertEquals(2147483648, ToUInt32(-2147483648), "-2147483648"); assertEquals(2147483647, ToUInt32(-2147483649), "-2147483649"); assertEquals(1, ToUInt32(-4294967295), "-4294967295"); assertEquals(0, ToUInt32(-4294967296), "-4294967296"); assertEquals(4294967295, ToUInt32(-4294967297), "-4294967297"); assertEquals(2147483647, ToUInt32('2147483647'), "'2147483647'"); assertEquals(2147483648, ToUInt32('2147483648'), "'2147483648'"); assertEquals(2147483649, ToUInt32('2147483649'), "'2147483649'"); assertEquals(4294967295, ToUInt32('4294967295'), "'4294967295'"); assertEquals(0, ToUInt32('4294967296'), "'4294967296'"); assertEquals(1, ToUInt32('4294967297'), "'4294967297'");