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comparison: js/src/tests/ecma_5/strict/this-for-function-expression-recursion.js
js/src/tests/ecma_5/strict/this-for-function-expression-recursion.js
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- 6474c204b198
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| -1:000000000000 | 0:65b97914ba98 |
|---|---|
| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/licenses/publicdomain/ | |
| 4 */ | |
| 5 | |
| 6 var gTestfile = 'this-for-function-expression-recursion.js'; | |
| 7 var BUGNUMBER = 611276; | |
| 8 var summary = "JSOP_CALLEE should push undefined, not null, for this"; | |
| 9 | |
| 10 print(BUGNUMBER + ": " + summary); | |
| 11 | |
| 12 /************** | |
| 13 * BEGIN TEST * | |
| 14 **************/ | |
| 15 | |
| 16 // Calling a named function expression (not function statement) uses the | |
| 17 // JSOP_CALLEE opcode. This opcode pushes its own |this|, distinct from the | |
| 18 // normal call path; verify that that |this| value is properly |undefined|. | |
| 19 | |
| 20 var calleeThisFun = | |
| 21 function calleeThisFun(recurring) | |
| 22 { | |
| 23 if (recurring) | |
| 24 return this; | |
| 25 return calleeThisFun(true); | |
| 26 }; | |
| 27 assertEq(calleeThisFun(false), this); | |
| 28 | |
| 29 var calleeThisStrictFun = | |
| 30 function calleeThisStrictFun(recurring) | |
| 31 { | |
| 32 "use strict"; | |
| 33 if (recurring) | |
| 34 return this; | |
| 35 return calleeThisStrictFun(true); | |
| 36 }; | |
| 37 assertEq(calleeThisStrictFun(false), undefined); | |
| 38 | |
| 39 /******************************************************************************/ | |
| 40 | |
| 41 if (typeof reportCompare === "function") | |
| 42 reportCompare(true, true); | |
| 43 | |
| 44 print("All tests passed!"); |
