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 | // Test that array join calls toString on subarrays. |
| 29 | var a = [[1,2],3,4,[5,6]]; |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 30 | assertEquals('1,2345,6', a.join('')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 31 | assertEquals('1,2*3*4*5,6', a.join('*')); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 32 | assertEquals('1,2**3**4**5,6', a.join('**')); |
| 33 | assertEquals('1,2****3****4****5,6', a.join('****')); |
| 34 | assertEquals('1,2********3********4********5,6', a.join('********')); |
| 35 | assertEquals('1,2**********3**********4**********5,6', a.join('**********')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 36 | |
| 37 | // Create a cycle. |
| 38 | a.push(a); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 39 | assertEquals('1,2345,6', a.join('')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 40 | assertEquals('1,2*3*4*5,6*', a.join('*')); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 41 | assertEquals('1,2**3**4**5,6**', a.join('**')); |
| 42 | assertEquals('1,2****3****4****5,6****', a.join('****')); |
| 43 | assertEquals('1,2********3********4********5,6********', a.join('********')); |
| 44 | assertEquals('1,2**********3**********4**********5,6**********', a.join('**********')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 45 | |
| 46 | // Replace array.prototype.toString. |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 47 | var oldToString = Array.prototype.toString; |
| 48 | Array.prototype.toString = function() { return "array"; }; |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 49 | assertEquals('array34arrayarray', a.join('')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 50 | assertEquals('array*3*4*array*array', a.join('*')); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 51 | assertEquals('array**3**4**array**array', a.join('**')); |
| 52 | assertEquals('array****3****4****array****array', a.join('****')); |
| 53 | assertEquals('array********3********4********array********array', a.join('********')); |
| 54 | assertEquals('array**********3**********4**********array**********array', a.join('**********')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 55 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 56 | Array.prototype.toString = function() { throw 42; }; |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 57 | assertThrows("a.join('')"); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 58 | assertThrows("a.join('*')"); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 59 | assertThrows("a.join('**')"); |
| 60 | assertThrows("a.join('****')"); |
| 61 | assertThrows("a.join('********')"); |
| 62 | assertThrows("a.join('**********')"); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 63 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 64 | Array.prototype.toString = function() { return "array"; }; |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 65 | assertEquals('array34arrayarray', a.join('')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 66 | assertEquals('array*3*4*array*array', a.join('*')); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 67 | assertEquals('array**3**4**array**array', a.join('**')); |
| 68 | assertEquals('array****3****4****array****array', a.join('****')); |
| 69 | assertEquals('array********3********4********array********array', a.join('********')); |
| 70 | assertEquals('array**********3**********4**********array**********array', a.join('**********')); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 71 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 72 | // Restore original toString. |
| 73 | delete Array.prototype.toString; |
| 74 | if (Array.prototype.toString != oldToString) { |
| 75 | Array.prototype.toString = oldToString; |
| 76 | } |
| 77 | |
Ben Murdoch | 5d4cdbf | 2012-04-11 10:23:59 +0100 | [diff] [blame^] | 78 | var a = new Array(123123); |
| 79 | assertEquals(123122, String(a).length); |
| 80 | assertEquals(123122, a.join(",").length); |
| 81 | assertEquals(246244, a.join("oo").length); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 82 | |
| 83 | a = new Array(Math.pow(2,32) - 1); // Max length. |
| 84 | assertEquals("", a.join("")); |
| 85 | a[123123123] = "o"; |
| 86 | a[1255215215] = "p"; |
| 87 | assertEquals("op", a.join("")); |
| 88 | |
| 89 | a = new Array(100001); |
| 90 | for (var i = 0; i < a.length; i++) a[i] = undefined; |
| 91 | a[5] = "ab"; |
| 92 | a[90000] = "cd"; |
Ben Murdoch | 5d4cdbf | 2012-04-11 10:23:59 +0100 | [diff] [blame^] | 93 | assertEquals("abcd", a.join("")); // Must not throw. |