Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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 | |
| 28 | assertEquals(0, parseInt('0')); |
| 29 | assertEquals(0, parseInt(' 0')); |
| 30 | assertEquals(0, parseInt(' 0 ')); |
| 31 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 32 | assertEquals(77, parseInt('077')); |
| 33 | assertEquals(77, parseInt(' 077')); |
| 34 | assertEquals(77, parseInt(' 077 ')); |
| 35 | assertEquals(-77, parseInt(' -077')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 36 | |
| 37 | assertEquals(3, parseInt('11', 2)); |
| 38 | assertEquals(4, parseInt('11', 3)); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 39 | assertEquals(4, parseInt('11', 3.8)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 40 | |
| 41 | assertEquals(0x12, parseInt('0x12')); |
| 42 | assertEquals(0x12, parseInt('0x12', 16)); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 43 | assertEquals(0x12, parseInt('0x12', 16.1)); |
| 44 | assertEquals(0x12, parseInt('0x12', NaN)); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 45 | assertTrue(isNaN(parseInt('0x '))); |
| 46 | assertTrue(isNaN(parseInt('0x'))); |
| 47 | assertTrue(isNaN(parseInt('0x ', 16))); |
| 48 | assertTrue(isNaN(parseInt('0x', 16))); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 49 | assertEquals(12, parseInt('12aaa')); |
| 50 | |
| 51 | assertEquals(0.1, parseFloat('0.1')); |
| 52 | assertEquals(0.1, parseFloat('0.1aaa')); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 53 | assertEquals(0, parseFloat('0aaa')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 54 | assertEquals(0, parseFloat('0x12')); |
| 55 | assertEquals(77, parseFloat('077')); |
| 56 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 57 | assertEquals(Infinity, parseInt('1000000000000000000000000000000000000000000000' |
| 58 | + '000000000000000000000000000000000000000000000000000000000000000000000000' |
| 59 | + '000000000000000000000000000000000000000000000000000000000000000000000000' |
| 60 | + '000000000000000000000000000000000000000000000000000000000000000000000000' |
| 61 | + '000000000000000000000000000000000000000000000000000000000000000000000000' |
| 62 | + '0000000000000')); |
| 63 | |
| 64 | assertEquals(Infinity, parseInt('0x10000000000000000000000000000000000000000000' |
| 65 | + '000000000000000000000000000000000000000000000000000000000000000000000000' |
| 66 | + '000000000000000000000000000000000000000000000000000000000000000000000000' |
| 67 | + '000000000000000000000000000000000000000000000000000000000000000000000000' |
| 68 | + '000000000000000000000000000000000000000000000000000000000000000000000000' |
| 69 | + '0000000000000')); |
| 70 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 71 | |
| 72 | var i; |
| 73 | var y = 10; |
| 74 | |
| 75 | for (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 | |
| 88 | for (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 | |
| 95 | assertTrue(isNaN(parseInt(0/0))); |
| 96 | assertTrue(isNaN(parseInt(1/0)), "parseInt Infinity"); |
| 97 | assertTrue(isNaN(parseInt(-1/0)), "parseInt -Infinity"); |
| 98 | |
| 99 | assertTrue(isNaN(parseFloat(0/0))); |
| 100 | assertEquals(Infinity, parseFloat(1/0), "parseFloat Infinity"); |
| 101 | assertEquals(-Infinity, parseFloat(-1/0), "parseFloat -Infinity"); |
| 102 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 103 | var state; |
| 104 | var throwingRadix = { valueOf: function() { state = "throwingRadix"; throw null; } }; |
| 105 | var throwingString = { toString: function() { state = "throwingString"; throw null; } }; |
| 106 | state = null; |
| 107 | try { parseInt('123', throwingRadix); } catch (e) {} |
| 108 | assertEquals(state, "throwingRadix"); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 109 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 110 | state = null; |
| 111 | try { parseInt(throwingString, 10); } catch (e) {} |
| 112 | assertEquals(state, "throwingString"); |
| 113 | |
| 114 | state = null; |
| 115 | try { parseInt(throwingString, throwingRadix); } catch (e) {} |
| 116 | assertEquals(state, "throwingString"); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 117 | |
| 118 | // And finally, check that the Harmony additions to the Number |
| 119 | // constructor is available: |
| 120 | assertTrue("parseInt" in Number); |
| 121 | assertTrue("parseFloat" in Number); |
| 122 | assertSame( Number.parseInt, parseInt); |
| 123 | assertSame(Number.parseFloat, parseFloat); |
| 124 | assertEquals(Number.parseFloat('0.1'), parseFloat('0.1')); |
| 125 | assertEquals(Number.parseInt('0xea'), parseInt('0xEA')); |