The Tor Browser / file comparison
comparison: js/src/jit-test/tests/basic/testCompileScript.js
js/src/jit-test/tests/basic/testCompileScript.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:e63d27aa942b |
|---|---|
| 1 // |jit-test| slow | |
| 2 | |
| 3 var nlocals = 50; | |
| 4 var localstr = ""; | |
| 5 for (var i = 0; i < nlocals; ++i) | |
| 6 localstr += "var x" + i + "; "; | |
| 7 | |
| 8 /* | |
| 9 * Attempt to test, in a stack-parameter-independent manner, ComileFunction | |
| 10 * hitting a stack-commit boundary (which is not an OOM, but requires checking | |
| 11 * and updating the stack limit). | |
| 12 */ | |
| 13 var arr = [function() {return 0}, function() {return 1}, function() {return 2}]; | |
| 14 var arg = "x"; | |
| 15 var body = localstr + | |
| 16 "if (x == 0) return; " + | |
| 17 "arr[3] = (new Function(arg, body));" + | |
| 18 "for (var i = 0; i < 4; ++i) arr[i](x-1);"; | |
| 19 | |
| 20 // XXX interpreter bailouts during recursion below can cause us to hit the limit quickly. | |
| 21 try { (new Function(arg, body))(1000); } catch (e) {} | |
| 22 | |
| 23 /* | |
| 24 * Also check for OOM in CompileFunction. To avoid taking 5 seconds, use a | |
| 25 * monster apply to chew up most the stack. | |
| 26 */ | |
| 27 var gotIn = false; | |
| 28 var threwOut = false; | |
| 29 try { | |
| 30 (function() { | |
| 31 gotIn = true; | |
| 32 (new Function(arg, body))(10000000); | |
| 33 }).apply(null, new Array(getMaxArgs())); | |
| 34 } catch(e) { | |
| 35 assertEq(""+e, "InternalError: too much recursion"); | |
| 36 threwOut = true; | |
| 37 } | |
| 38 assertEq(threwOut, true); | |
| 39 /* If tweaking some stack parameter makes this fail, shrink monster apply. */ | |
| 40 assertEq(gotIn, true); |
