The Tor Browser / file comparison
comparison: js/src/tests/js1_8_5/extensions/findReferences-03.js
js/src/tests/js1_8_5/extensions/findReferences-03.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:534943782cd3 |
|---|---|
| 1 // Any copyright is dedicated to the Public Domain. | |
| 2 // http://creativecommons.org/licenses/publicdomain/ | |
| 3 // Contributor: Jim Blandy | |
| 4 | |
| 5 if (typeof findReferences == "function") { | |
| 6 | |
| 7 function makeGenerator(c) { eval(c); yield function generatorClosure() { return x; }; } | |
| 8 var generator = makeGenerator('var x = 42'); | |
| 9 var closure = generator.next(); | |
| 10 referencesVia(closure, 'parent; generator object', generator); | |
| 11 | |
| 12 var o = {}; | |
| 13 | |
| 14 assertEq(function f() { | |
| 15 return referencesVia(null, 'arguments', arguments) || | |
| 16 referencesVia(null, 'baseline-args-obj', arguments); | |
| 17 }(), true); | |
| 18 | |
| 19 var rvalueCorrect; | |
| 20 | |
| 21 function finallyHoldsRval() { | |
| 22 try { | |
| 23 return o; | |
| 24 } finally { | |
| 25 rvalueCorrect = referencesVia(null, 'rval', o) || | |
| 26 referencesVia(null, 'baseline-rval', o); | |
| 27 } | |
| 28 } | |
| 29 rvalueCorrect = false; | |
| 30 finallyHoldsRval(); | |
| 31 assertEq(rvalueCorrect, true); | |
| 32 | |
| 33 // Because we don't distinguish between JavaScript stack marking and C++ | |
| 34 // stack marking (both use the conservative scanner), we can't really write | |
| 35 // the following tests meaningfully: | |
| 36 // generator frame -> generator object | |
| 37 // stack frame -> local variables | |
| 38 // stack frame -> this | |
| 39 // stack frame -> callee | |
| 40 // for(... in x) loop's reference to x | |
| 41 | |
| 42 reportCompare(true, true); | |
| 43 } else { | |
| 44 reportCompare(true, true, "test skipped: findReferences is not a function"); | |
| 45 } |
