The Tor Browser / file comparison
comparison: js/src/tests/ecma_5/String/replace-throws-nonwritable-lastIndex-global.js
js/src/tests/ecma_5/String/replace-throws-nonwritable-lastIndex-global.js
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:2ccd4d372b31 |
|---|---|
| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/licenses/publicdomain/ | |
| 4 */ | |
| 5 | |
| 6 var BUGNUMBER = 501739; | |
| 7 var summary = | |
| 8 "String.prototype.replace should throw when called with a global RegExp " + | |
| 9 "whose .lastIndex is non-writable"; | |
| 10 | |
| 11 print(BUGNUMBER + ": " + summary); | |
| 12 | |
| 13 /************** | |
| 14 * BEGIN TEST * | |
| 15 **************/ | |
| 16 | |
| 17 var s = '0x2x4x6x8'; | |
| 18 | |
| 19 // First time with .lastIndex === 0, replacing to '' | |
| 20 | |
| 21 var p1 = /x/g; | |
| 22 Object.defineProperty(p1, "lastIndex", { writable: false }); | |
| 23 | |
| 24 try | |
| 25 { | |
| 26 s.replace(p1, ''); | |
| 27 throw "didn't throw"; | |
| 28 } | |
| 29 catch (e) | |
| 30 { | |
| 31 assertEq(e instanceof TypeError, true, | |
| 32 "should have thrown a TypeError, instead got: " + e); | |
| 33 assertEq(p1.lastIndex, 0); | |
| 34 } | |
| 35 | |
| 36 // Second time with .lastIndex !== 0, replacing to '' | |
| 37 | |
| 38 var p2 = /x/g; | |
| 39 Object.defineProperty(p2, "lastIndex", { writable: false, value: 3 }); | |
| 40 | |
| 41 try | |
| 42 { | |
| 43 s.replace(p2, ''); | |
| 44 throw "didn't throw"; | |
| 45 } | |
| 46 catch (e) | |
| 47 { | |
| 48 assertEq(e instanceof TypeError, true, | |
| 49 "should have thrown a TypeError, instead got: " + e); | |
| 50 assertEq(p2.lastIndex, 3); | |
| 51 } | |
| 52 | |
| 53 // Third time with .lastIndex === 0, replacing to 'y' | |
| 54 | |
| 55 var p3 = /x/g; | |
| 56 Object.defineProperty(p3, "lastIndex", { writable: false }); | |
| 57 | |
| 58 try | |
| 59 { | |
| 60 s.replace(p3, 'y'); | |
| 61 throw "didn't throw"; | |
| 62 } | |
| 63 catch (e) | |
| 64 { | |
| 65 assertEq(e instanceof TypeError, true, | |
| 66 "should have thrown a TypeError, instead got: " + e); | |
| 67 assertEq(p3.lastIndex, 0); | |
| 68 } | |
| 69 | |
| 70 // Fourth time with .lastIndex !== 0, replacing to 'y' | |
| 71 | |
| 72 var p4 = /x/g; | |
| 73 Object.defineProperty(p4, "lastIndex", { writable: false, value: 3 }); | |
| 74 | |
| 75 try | |
| 76 { | |
| 77 s.replace(p4, ''); | |
| 78 throw "didn't throw"; | |
| 79 } | |
| 80 catch (e) | |
| 81 { | |
| 82 assertEq(e instanceof TypeError, true, | |
| 83 "should have thrown a TypeError, instead got: " + e); | |
| 84 assertEq(p4.lastIndex, 3); | |
| 85 } | |
| 86 | |
| 87 // Fifth time with .lastIndex === 0, replacing to 'y', but no match | |
| 88 | |
| 89 var p5 = /q/g; | |
| 90 Object.defineProperty(p5, "lastIndex", { writable: false }); | |
| 91 | |
| 92 try | |
| 93 { | |
| 94 s.replace(p5, 'y'); | |
| 95 throw "didn't throw"; | |
| 96 } | |
| 97 catch (e) | |
| 98 { | |
| 99 assertEq(e instanceof TypeError, true, | |
| 100 "should have thrown a TypeError, instead got: " + e); | |
| 101 assertEq(p5.lastIndex, 0); | |
| 102 } | |
| 103 | |
| 104 // Sixth time with .lastIndex !== 0, replacing to 'y', but no match | |
| 105 | |
| 106 var p6 = /q/g; | |
| 107 Object.defineProperty(p6, "lastIndex", { writable: false, value: 3 }); | |
| 108 | |
| 109 try | |
| 110 { | |
| 111 s.replace(p6, ''); | |
| 112 throw "didn't throw"; | |
| 113 } | |
| 114 catch (e) | |
| 115 { | |
| 116 assertEq(e instanceof TypeError, true, | |
| 117 "should have thrown a TypeError, instead got: " + e); | |
| 118 assertEq(p6.lastIndex, 3); | |
| 119 } | |
| 120 | |
| 121 /******************************************************************************/ | |
| 122 | |
| 123 if (typeof reportCompare === "function") | |
| 124 reportCompare(true, true); | |
| 125 | |
| 126 print("Tests complete"); |
