The Tor Browser / file comparison
comparison: js/src/tests/ecma_5/JSON/stringify-boxed-primitives.js
js/src/tests/ecma_5/JSON/stringify-boxed-primitives.js
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:7f89a38c8451 |
|---|---|
| 1 // Any copyright is dedicated to the Public Domain. | |
| 2 // http://creativecommons.org/licenses/publicdomain/ | |
| 3 | |
| 4 var gTestfile = 'stringify-boxed-primitives.js'; | |
| 5 //----------------------------------------------------------------------------- | |
| 6 var BUGNUMBER = 584909; | |
| 7 var summary = "Stringification of Boolean/String/Number objects"; | |
| 8 | |
| 9 print(BUGNUMBER + ": " + summary); | |
| 10 | |
| 11 /************** | |
| 12 * BEGIN TEST * | |
| 13 **************/ | |
| 14 | |
| 15 function redefine(obj, prop, fun) | |
| 16 { | |
| 17 var desc = | |
| 18 { value: fun, writable: true, configurable: true, enumerable: false }; | |
| 19 Object.defineProperty(obj, prop, desc); | |
| 20 } | |
| 21 | |
| 22 assertEq(JSON.stringify(new Boolean(false)), "false"); | |
| 23 | |
| 24 assertEq(JSON.stringify(new Number(5)), "5"); | |
| 25 | |
| 26 assertEq(JSON.stringify(new String("foopy")), '"foopy"'); | |
| 27 | |
| 28 | |
| 29 var numToString = Number.prototype.toString; | |
| 30 var numValueOf = Number.prototype.valueOf; | |
| 31 var objToString = Object.prototype.toString; | |
| 32 var objValueOf = Object.prototype.valueOf; | |
| 33 var boolToString = Boolean.prototype.toString; | |
| 34 var boolValueOf = Boolean.prototype.valueOf; | |
| 35 | |
| 36 redefine(Boolean.prototype, "toString", function() { return 17; }); | |
| 37 assertEq(JSON.stringify(new Boolean(false)), "false") | |
| 38 delete Boolean.prototype.toString; | |
| 39 assertEq(JSON.stringify(new Boolean(false)), "false"); | |
| 40 delete Object.prototype.toString; | |
| 41 assertEq(JSON.stringify(new Boolean(false)), "false"); | |
| 42 delete Boolean.prototype.valueOf; | |
| 43 assertEq(JSON.stringify(new Boolean(false)), "false"); | |
| 44 delete Object.prototype.valueOf; | |
| 45 assertEq(JSON.stringify(new Boolean(false)), "false"); | |
| 46 | |
| 47 | |
| 48 redefine(Boolean.prototype, "toString", boolToString); | |
| 49 redefine(Boolean.prototype, "valueOf", boolValueOf); | |
| 50 redefine(Object.prototype, "toString", objToString); | |
| 51 redefine(Object.prototype, "valueOf", objValueOf); | |
| 52 | |
| 53 redefine(Number.prototype, "toString", function() { return 42; }); | |
| 54 assertEq(JSON.stringify(new Number(5)), "5"); | |
| 55 redefine(Number.prototype, "valueOf", function() { return 17; }); | |
| 56 assertEq(JSON.stringify(new Number(5)), "17"); | |
| 57 delete Number.prototype.toString; | |
| 58 assertEq(JSON.stringify(new Number(5)), "17"); | |
| 59 delete Number.prototype.valueOf; | |
| 60 assertEq(JSON.stringify(new Number(5)), "null"); // isNaN(Number("[object Number]")) | |
| 61 delete Object.prototype.toString; | |
| 62 try | |
| 63 { | |
| 64 JSON.stringify(new Number(5)); | |
| 65 throw new Error("didn't throw"); | |
| 66 } | |
| 67 catch (e) | |
| 68 { | |
| 69 assertEq(e instanceof TypeError, true, | |
| 70 "ToNumber failure, should throw TypeError"); | |
| 71 } | |
| 72 delete Object.prototype.valueOf; | |
| 73 try | |
| 74 { | |
| 75 JSON.stringify(new Number(5)); | |
| 76 throw new Error("didn't throw"); | |
| 77 } | |
| 78 catch (e) | |
| 79 { | |
| 80 assertEq(e instanceof TypeError, true, | |
| 81 "ToNumber failure, should throw TypeError"); | |
| 82 } | |
| 83 | |
| 84 | |
| 85 redefine(Number.prototype, "toString", numToString); | |
| 86 redefine(Number.prototype, "valueOf", numValueOf); | |
| 87 redefine(Object.prototype, "toString", objToString); | |
| 88 redefine(Object.prototype, "valueOf", objValueOf); | |
| 89 | |
| 90 | |
| 91 redefine(String.prototype, "valueOf", function() { return 17; }); | |
| 92 assertEq(JSON.stringify(new String(5)), '"5"'); | |
| 93 redefine(String.prototype, "toString", function() { return 42; }); | |
| 94 assertEq(JSON.stringify(new String(5)), '"42"'); | |
| 95 delete String.prototype.toString; | |
| 96 assertEq(JSON.stringify(new String(5)), '"[object String]"'); | |
| 97 delete Object.prototype.toString; | |
| 98 assertEq(JSON.stringify(new String(5)), '"17"'); | |
| 99 delete String.prototype.valueOf; | |
| 100 try | |
| 101 { | |
| 102 JSON.stringify(new String(5)); | |
| 103 throw new Error("didn't throw"); | |
| 104 } | |
| 105 catch (e) | |
| 106 { | |
| 107 assertEq(e instanceof TypeError, true, | |
| 108 "ToString failure, should throw TypeError"); | |
| 109 } | |
| 110 delete Object.prototype.valueOf; | |
| 111 try | |
| 112 { | |
| 113 JSON.stringify(new String(5)); | |
| 114 throw new Error("didn't throw"); | |
| 115 } | |
| 116 catch (e) | |
| 117 { | |
| 118 assertEq(e instanceof TypeError, true, | |
| 119 "ToString failure, should throw TypeError"); | |
| 120 } | |
| 121 | |
| 122 /******************************************************************************/ | |
| 123 | |
| 124 if (typeof reportCompare === "function") | |
| 125 reportCompare(true, true); | |
| 126 | |
| 127 print("All tests passed!"); |
