1// Copyright 2008 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28assertEquals(0, parseInt('0')); 29assertEquals(0, parseInt(' 0')); 30assertEquals(0, parseInt(' 0 ')); 31 32assertEquals(63, parseInt('077')); 33assertEquals(63, parseInt(' 077')); 34assertEquals(63, parseInt(' 077 ')); 35assertEquals(-63, parseInt(' -077')); 36 37assertEquals(3, parseInt('11', 2)); 38assertEquals(4, parseInt('11', 3)); 39assertEquals(4, parseInt('11', 3.8)); 40 41assertEquals(0x12, parseInt('0x12')); 42assertEquals(0x12, parseInt('0x12', 16)); 43assertEquals(0x12, parseInt('0x12', 16.1)); 44assertEquals(0x12, parseInt('0x12', NaN)); 45assertTrue(isNaN(parseInt('0x '))); 46assertTrue(isNaN(parseInt('0x'))); 47assertTrue(isNaN(parseInt('0x ', 16))); 48assertTrue(isNaN(parseInt('0x', 16))); 49assertEquals(12, parseInt('12aaa')); 50 51assertEquals(0.1, parseFloat('0.1')); 52assertEquals(0.1, parseFloat('0.1aaa')); 53assertEquals(0, parseFloat('0aaa')); 54assertEquals(0, parseFloat('0x12')); 55assertEquals(77, parseFloat('077')); 56 57assertEquals(Infinity, parseInt('1000000000000000000000000000000000000000000000' 58 + '000000000000000000000000000000000000000000000000000000000000000000000000' 59 + '000000000000000000000000000000000000000000000000000000000000000000000000' 60 + '000000000000000000000000000000000000000000000000000000000000000000000000' 61 + '000000000000000000000000000000000000000000000000000000000000000000000000' 62 + '0000000000000')); 63 64assertEquals(Infinity, parseInt('0x10000000000000000000000000000000000000000000' 65 + '000000000000000000000000000000000000000000000000000000000000000000000000' 66 + '000000000000000000000000000000000000000000000000000000000000000000000000' 67 + '000000000000000000000000000000000000000000000000000000000000000000000000' 68 + '000000000000000000000000000000000000000000000000000000000000000000000000' 69 + '0000000000000')); 70 71 72var i; 73var y = 10; 74 75for (i = 1; i < 21; i++) { 76 var x = eval("1.2e" + i); 77 assertEquals(Math.floor(x), parseInt(x)); 78 x = eval("1e" + i); 79 assertEquals(x, y); 80 y *= 10; 81 assertEquals(Math.floor(x), parseInt(x)); 82 x = eval("-1e" + i); 83 assertEquals(Math.ceil(x), parseInt(x)); 84 x = eval("-1.2e" + i); 85 assertEquals(Math.ceil(x), parseInt(x)); 86} 87 88for (i = 21; i < 53; i++) { 89 var x = eval("1e" + i); 90 assertEquals(1, parseInt(x)); 91 x = eval("-1e" + i); 92 assertEquals(-1, parseInt(x)); 93} 94 95assertTrue(isNaN(parseInt(0/0))); 96assertTrue(isNaN(parseInt(1/0)), "parseInt Infinity"); 97assertTrue(isNaN(parseInt(-1/0)), "parseInt -Infinity"); 98 99assertTrue(isNaN(parseFloat(0/0))); 100assertEquals(Infinity, parseFloat(1/0), "parseFloat Infinity"); 101assertEquals(-Infinity, parseFloat(-1/0), "parseFloat -Infinity"); 102 103 104