The Tor Browser / file comparison
comparison: js/src/tests/ecma_5/Array/join-01.js
js/src/tests/ecma_5/Array/join-01.js
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:cf213f7b6b2e |
|---|---|
| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/licenses/publicdomain/ | |
| 4 * Contributor: | |
| 5 * Jeff Walden <jwalden+code@mit.edu> | |
| 6 */ | |
| 7 | |
| 8 //----------------------------------------------------------------------------- | |
| 9 print("ES5: Array.prototype.join"); | |
| 10 | |
| 11 /************** | |
| 12 * BEGIN TEST * | |
| 13 **************/ | |
| 14 | |
| 15 var count; | |
| 16 var stringifyCounter = { toString: function() { count++; return "obj"; } }; | |
| 17 | |
| 18 var arr = [1, 2, 3, 4, 5]; | |
| 19 assertEq(arr.join(), "1,2,3,4,5"); | |
| 20 assertEq(arr.join(","), "1,2,3,4,5"); | |
| 21 assertEq(arr.join(undefined), "1,2,3,4,5"); | |
| 22 assertEq(arr.join(4), "142434445"); | |
| 23 assertEq(arr.join(""), "12345"); | |
| 24 | |
| 25 count = 0; | |
| 26 assertEq(arr.join(stringifyCounter), "1obj2obj3obj4obj5"); | |
| 27 assertEq(count, 1); | |
| 28 | |
| 29 var holey = [1, 2, , 4, 5]; | |
| 30 assertEq(holey.join(), "1,2,,4,5"); | |
| 31 assertEq(holey.join(","), "1,2,,4,5"); | |
| 32 assertEq(holey.join(undefined), "1,2,,4,5"); | |
| 33 assertEq(holey.join(4), "14244445"); | |
| 34 | |
| 35 count = 0; | |
| 36 assertEq(holey.join(stringifyCounter), "1obj2objobj4obj5"); | |
| 37 assertEq(count, 1); | |
| 38 | |
| 39 var nully = [1, 2, 3, null, 5]; | |
| 40 assertEq(nully.join(), "1,2,3,,5"); | |
| 41 assertEq(nully.join(","), "1,2,3,,5"); | |
| 42 assertEq(nully.join(undefined), "1,2,3,,5"); | |
| 43 assertEq(nully.join(4), "14243445"); | |
| 44 | |
| 45 count = 0; | |
| 46 assertEq(nully.join(stringifyCounter), "1obj2obj3objobj5"); | |
| 47 assertEq(count, 1); | |
| 48 | |
| 49 var undefiney = [1, undefined, 3, 4, 5]; | |
| 50 assertEq(undefiney.join(), "1,,3,4,5"); | |
| 51 assertEq(undefiney.join(","), "1,,3,4,5"); | |
| 52 assertEq(undefiney.join(undefined), "1,,3,4,5"); | |
| 53 assertEq(undefiney.join(4), "14434445"); | |
| 54 | |
| 55 count = 0; | |
| 56 assertEq(undefiney.join(stringifyCounter), "1objobj3obj4obj5"); | |
| 57 assertEq(count, 1); | |
| 58 | |
| 59 var log = ''; | |
| 60 arr = {length: {valueOf: function () { log += "L"; return 2; }}, | |
| 61 0: "x", 1: "z"}; | |
| 62 var sep = {toString: function () { log += "S"; return "y"; }}; | |
| 63 assertEq(Array.prototype.join.call(arr, sep), "xyz"); | |
| 64 assertEq(log, "LS"); | |
| 65 | |
| 66 var funky = | |
| 67 { | |
| 68 toString: function() | |
| 69 { | |
| 70 Array.prototype[1] = "chorp"; | |
| 71 Object.prototype[3] = "fnord"; | |
| 72 return "funky"; | |
| 73 } | |
| 74 }; | |
| 75 var trailingHoles = [0, funky, /* 2 */, /* 3 */,]; | |
| 76 assertEq(trailingHoles.join(""), "0funkyfnord"); | |
| 77 | |
| 78 /******************************************************************************/ | |
| 79 | |
| 80 if (typeof reportCompare === "function") | |
| 81 reportCompare(true, true); | |
| 82 | |
| 83 print("Tests complete"); |
