The Tor Browser / file comparison
comparison: js/src/tests/js1_8_1/regress/regress-509354.js
js/src/tests/js1_8_1/regress/regress-509354.js
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
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| -1:000000000000 | 0:d50393270173 |
|---|---|
| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/licenses/publicdomain/ | |
| 4 * Contributor: Jason Orendorff <jorendorff@mozilla.com> | |
| 5 */ | |
| 6 | |
| 7 // Decompile destructuring argument named `arguments` correctly. | |
| 8 var actual = "" + function ([arguments]) {return arguments;}; | |
| 9 compareSource('function ([arguments]) {return arguments;}', actual, "part 1"); | |
| 10 | |
| 11 // Make sure the 'arguments' argument actually works. | |
| 12 var f = function ([arguments]) {return arguments + 1;}; | |
| 13 reportCompare(3.25, f([2.25]), "part 2"); | |
| 14 | |
| 15 // Throw SyntaxError when `arguments` appears twice in a destructuring parameter. | |
| 16 actual = "no exception"; | |
| 17 try { | |
| 18 eval('(function ([arguments, arguments]) {return arguments();})'); | |
| 19 } catch (exc) { | |
| 20 actual = exc.name; | |
| 21 } | |
| 22 reportCompare("SyntaxError", actual, "part 3"); | |
| 23 | |
| 24 // And again... | |
| 25 actual = "no exception"; | |
| 26 try { | |
| 27 eval('(function ([a, b, arguments, d], [e, f, arguments]) {return arguments();})'); | |
| 28 } catch (exc) { | |
| 29 actual = exc.name; | |
| 30 } | |
| 31 reportCompare("SyntaxError", actual, "part 4"); | |
| 32 | |
| 33 // The original test case from bug 509354. Don't crash. | |
| 34 try { | |
| 35 eval('print(function([arguments,arguments,arguments,arguments,arguments,' + | |
| 36 'arguments,arguments,arguments,arguments,arguments,arguments,' + | |
| 37 'arguments,arguments,arguments,arguments,arguments]){})'); | |
| 38 } catch (exc) { | |
| 39 } | |
| 40 reportCompare("no crash", "no crash", "part 5"); | |
| 41 |
