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comparison: js/src/tests/ecma_5/JSON/parse-reviver-array-delete.js
js/src/tests/ecma_5/JSON/parse-reviver-array-delete.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:42ef4f7aa0e4 |
|---|---|
| 1 // Any copyright is dedicated to the Public Domain. | |
| 2 // http://creativecommons.org/licenses/publicdomain/ | |
| 3 | |
| 4 var gTestfile = 'parse-reviver-array-delete.js'; | |
| 5 //----------------------------------------------------------------------------- | |
| 6 var BUGNUMBER = 999999; | |
| 7 var summary = "JSON.parse with a reviver which elides array elements"; | |
| 8 | |
| 9 print(BUGNUMBER + ": " + summary); | |
| 10 | |
| 11 /************** | |
| 12 * BEGIN TEST * | |
| 13 **************/ | |
| 14 | |
| 15 /* | |
| 16 * The reviver deletes all properties from the to-be-returned array. Thus | |
| 17 * stringification reveals properties on the prototype chain -- but there are | |
| 18 * none, so this result is unsurprising. | |
| 19 */ | |
| 20 assertEq(JSON.parse('[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]', | |
| 21 function revive(k, v) | |
| 22 { | |
| 23 if (k === "") | |
| 24 return v; | |
| 25 return undefined; | |
| 26 }) + "", | |
| 27 ",,,,,,,,,,,,,,,,,,,"); | |
| 28 | |
| 29 /* | |
| 30 * Now let's try a reviver that deletes every property but a mega-huge one. | |
| 31 */ | |
| 32 var str = "["; | |
| 33 var expected = ""; | |
| 34 var expected2 = ""; | |
| 35 for (var i = 0; i < 2048; i++) | |
| 36 { | |
| 37 str += "1,"; | |
| 38 if (i === 2047) | |
| 39 { | |
| 40 expected += "1"; | |
| 41 expected2 += "1"; | |
| 42 } | |
| 43 if (i === 3) | |
| 44 expected2 += "17"; | |
| 45 expected += ","; | |
| 46 expected2 += ","; | |
| 47 } | |
| 48 str += "1]"; | |
| 49 | |
| 50 assertEq(JSON.parse(str, | |
| 51 function reviver(k, v) | |
| 52 { | |
| 53 if (k === "" || k === "2047") | |
| 54 return v; | |
| 55 return undefined; | |
| 56 }) + "", | |
| 57 expected); | |
| 58 | |
| 59 | |
| 60 Array.prototype[3] = 17; | |
| 61 | |
| 62 /* Now, with a property on the prototype chain, it'll show through. */ | |
| 63 assertEq(JSON.parse('[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]', | |
| 64 function revive(k, v) | |
| 65 { | |
| 66 if (k === "") | |
| 67 return v; | |
| 68 return undefined; | |
| 69 }) + "", | |
| 70 ",,,17,,,,,,,,,,,,,,,,"); | |
| 71 | |
| 72 | |
| 73 /* And here too. */ | |
| 74 assertEq(JSON.parse(str, | |
| 75 function reviver(k, v) | |
| 76 { | |
| 77 if (k === "" || k === "2047") | |
| 78 return v; | |
| 79 return undefined; | |
| 80 }) + "", | |
| 81 expected2); | |
| 82 | |
| 83 | |
| 84 /******************************************************************************/ | |
| 85 | |
| 86 if (typeof reportCompare === "function") | |
| 87 reportCompare(true, true); | |
| 88 | |
| 89 print("Tests complete"); |
