ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 1 | // Copyright 2008 the V8 project authors. All rights reserved. |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 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 | function ToUInt32(x) { |
| 29 | return x >>> 0; |
| 30 | } |
| 31 | |
| 32 | assertEquals(0, ToUInt32(0), "0"); |
| 33 | assertEquals(0, ToUInt32(-0), "-0"); |
| 34 | assertEquals(0, ToUInt32(Infinity), "Infinity"); |
| 35 | assertEquals(0, ToUInt32(-Infinity), "-Infinity"); |
| 36 | assertEquals(0, ToUInt32(NaN), "NaN"); |
| 37 | |
| 38 | assertEquals(0, ToUInt32(Number.MIN_VALUE), "MIN"); |
| 39 | assertEquals(0, ToUInt32(-Number.MIN_VALUE), "-MIN"); |
| 40 | assertEquals(0, ToUInt32(0.1), "0.1"); |
| 41 | assertEquals(0, ToUInt32(-0.1), "-0.1"); |
| 42 | assertEquals(1, ToUInt32(1), "1"); |
| 43 | assertEquals(1, ToUInt32(1.1), "1.1"); |
| 44 | |
| 45 | assertEquals(4294967295, ToUInt32(-1), "-1"); |
| 46 | assertEquals(4294967295, ToUInt32(-1.1), "-1.1"); |
| 47 | |
| 48 | assertEquals(2147483647, ToUInt32(2147483647), "2147483647"); |
| 49 | assertEquals(2147483648, ToUInt32(2147483648), "2147483648"); |
| 50 | assertEquals(2147483649, ToUInt32(2147483649), "2147483649"); |
| 51 | |
| 52 | assertEquals(4294967295, ToUInt32(4294967295), "4294967295"); |
| 53 | assertEquals(0, ToUInt32(4294967296), "4294967296"); |
| 54 | assertEquals(1, ToUInt32(4294967297), "4294967297"); |
| 55 | |
| 56 | assertEquals(2147483649, ToUInt32(-2147483647), "-2147483647"); |
| 57 | assertEquals(2147483648, ToUInt32(-2147483648), "-2147483648"); |
| 58 | assertEquals(2147483647, ToUInt32(-2147483649), "-2147483649"); |
| 59 | |
| 60 | assertEquals(1, ToUInt32(-4294967295), "-4294967295"); |
| 61 | assertEquals(0, ToUInt32(-4294967296), "-4294967296"); |
| 62 | assertEquals(4294967295, ToUInt32(-4294967297), "-4294967297"); |
| 63 | |
| 64 | assertEquals(2147483647, ToUInt32('2147483647'), "'2147483647'"); |
| 65 | assertEquals(2147483648, ToUInt32('2147483648'), "'2147483648'"); |
| 66 | assertEquals(2147483649, ToUInt32('2147483649'), "'2147483649'"); |
| 67 | |
| 68 | assertEquals(4294967295, ToUInt32('4294967295'), "'4294967295'"); |
| 69 | assertEquals(0, ToUInt32('4294967296'), "'4294967296'"); |
| 70 | assertEquals(1, ToUInt32('4294967297'), "'4294967297'"); |
| 71 | |
| 72 | |