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comparison: js/src/jit-test/tests/debug/Environment-gc-02.js
js/src/jit-test/tests/debug/Environment-gc-02.js
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| -1:000000000000 | 0:8323e1f09778 |
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| 1 // A closure's .environment keeps the lexical environment alive even if the closure is destroyed. | |
| 2 | |
| 3 var N = 4; | |
| 4 var g = newGlobal(); | |
| 5 g.eval("function add(a) { return function (b) { return eval('a + b'); }; }"); | |
| 6 var dbg = new Debugger; | |
| 7 var gw = dbg.addDebuggee(g); | |
| 8 var aw = gw.getOwnPropertyDescriptor("add").value; | |
| 9 | |
| 10 // Create N closures and collect environments. | |
| 11 var arr = []; | |
| 12 for (var i = 0; i < N; i++) | |
| 13 arr[i] = aw.call(null, i).return.environment; | |
| 14 | |
| 15 // Test that they work now. | |
| 16 function check() { | |
| 17 for (var i = 0; i < N; i++) { | |
| 18 assertEq(arr[i].find("b"), null); | |
| 19 assertEq(arr[i].find("a"), arr[i]); | |
| 20 } | |
| 21 } | |
| 22 check(); | |
| 23 | |
| 24 // Test that they work after gc. | |
| 25 gc(); | |
| 26 gc({}); | |
| 27 g.gc(g); | |
| 28 check(); |
