js/src/jit-test/tests/debug/Environment-gc-02.js@deefc01c0e14 (annotated)
js/src/jit-test/tests/debug/Environment-gc-02.js
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
| michael@0 | 1 | // A closure's .environment keeps the lexical environment alive even if the closure is destroyed. |
| michael@0 | 2 | |
| michael@0 | 3 | var N = 4; |
| michael@0 | 4 | var g = newGlobal(); |
| michael@0 | 5 | g.eval("function add(a) { return function (b) { return eval('a + b'); }; }"); |
| michael@0 | 6 | var dbg = new Debugger; |
| michael@0 | 7 | var gw = dbg.addDebuggee(g); |
| michael@0 | 8 | var aw = gw.getOwnPropertyDescriptor("add").value; |
| michael@0 | 9 | |
| michael@0 | 10 | // Create N closures and collect environments. |
| michael@0 | 11 | var arr = []; |
| michael@0 | 12 | for (var i = 0; i < N; i++) |
| michael@0 | 13 | arr[i] = aw.call(null, i).return.environment; |
| michael@0 | 14 | |
| michael@0 | 15 | // Test that they work now. |
| michael@0 | 16 | function check() { |
| michael@0 | 17 | for (var i = 0; i < N; i++) { |
| michael@0 | 18 | assertEq(arr[i].find("b"), null); |
| michael@0 | 19 | assertEq(arr[i].find("a"), arr[i]); |
| michael@0 | 20 | } |
| michael@0 | 21 | } |
| michael@0 | 22 | check(); |
| michael@0 | 23 | |
| michael@0 | 24 | // Test that they work after gc. |
| michael@0 | 25 | gc(); |
| michael@0 | 26 | gc({}); |
| michael@0 | 27 | g.gc(g); |
| michael@0 | 28 | check(); |
