The Tor Browser / file comparison
comparison: js/src/jit-test/tests/debug/gc-04.js
js/src/jit-test/tests/debug/gc-04.js
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:5d5f49aca9e5 |
|---|---|
| 1 // Storing a Debugger.Object as a key in a WeakMap protects it from GC as long as | |
| 2 // the referent is alive. | |
| 3 | |
| 4 var g = newGlobal(); | |
| 5 var N = g.N = 10; | |
| 6 var dbg = Debugger(g); | |
| 7 var cache = new WeakMap; | |
| 8 | |
| 9 var i = 0; | |
| 10 dbg.onDebuggerStatement = function (frame) { | |
| 11 cache.set(frame.arguments[0], i++); | |
| 12 }; | |
| 13 g.eval("function f(x) { debugger; }"); | |
| 14 g.eval("var arr = [], j; for (j = 0; j < N; j++) arr[j] = {};"); | |
| 15 g.eval("for (j = 0; j < N; j++) f(arr[j]);"); | |
| 16 assertEq(i, N); | |
| 17 | |
| 18 gc(); gc(); | |
| 19 | |
| 20 i = 0; | |
| 21 dbg.onDebuggerStatement = function (frame) { | |
| 22 assertEq(cache.get(frame.arguments[0]), i++) | |
| 23 }; | |
| 24 g.eval("for (j = 0; j < N; j++) f(arr[j]);"); | |
| 25 assertEq(i, N); |
