The Tor Browser / file comparison
comparison: js/src/tests/ecma_5/String/replace-math.js
js/src/tests/ecma_5/String/replace-math.js
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- 6474c204b198
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| -1:000000000000 | 0:83916abdb3bb |
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| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/licenses/publicdomain/ | |
| 4 */ | |
| 5 | |
| 6 var BUGNUMBER = 805121; | |
| 7 var summary = "Be more careful with string math to avoid wrong results"; | |
| 8 | |
| 9 print(BUGNUMBER + ": " + summary); | |
| 10 | |
| 11 /******************************************************************************/ | |
| 12 | |
| 13 function puff(x, n) | |
| 14 { | |
| 15 while(x.length < n) | |
| 16 x += x; | |
| 17 return x.substring(0, n); | |
| 18 } | |
| 19 | |
| 20 var x = puff("1", 1 << 20); | |
| 21 var rep = puff("$1", 1 << 16); | |
| 22 | |
| 23 try | |
| 24 { | |
| 25 var y = x.replace(/(.+)/g, rep); | |
| 26 assertEq(y.length, Math.pow(2, 36)); | |
| 27 } | |
| 28 catch (e) | |
| 29 { | |
| 30 // OOM also acceptable | |
| 31 } | |
| 32 | |
| 33 /******************************************************************************/ | |
| 34 | |
| 35 if (typeof reportCompare === "function") | |
| 36 reportCompare(true, true); | |
| 37 | |
| 38 print("Tests complete"); |
