js/src/jit-test/tests/debug/breakpoint-gc-03.js@6474c204b198 (annotated)
js/src/jit-test/tests/debug/breakpoint-gc-03.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // |jit-test| debug |
| michael@0 | 2 | // The GC can cope with old and new breakpoints at the same position. |
| michael@0 | 3 | |
| michael@0 | 4 | // This is a regression test for a bug Bill McCloskey found just by looking at |
| michael@0 | 5 | // the source code. See bug 677386 comment 8. Here we're testing that the trap |
| michael@0 | 6 | // string is correctly marked. (The silly expression for the trap string is to |
| michael@0 | 7 | // ensure that it isn't constant-folded; it's harder to get a compile-time |
| michael@0 | 8 | // constant to be GC'd.) |
| michael@0 | 9 | |
| michael@0 | 10 | var g = newGlobal(); |
| michael@0 | 11 | g.eval("var d = 0;\n" + |
| michael@0 | 12 | "function f() { return 'ok'; }\n" + |
| michael@0 | 13 | "trap(f, 0, Array(17).join('\\n') + 'd++;');\n"); |
| michael@0 | 14 | |
| michael@0 | 15 | var dbg = new Debugger; |
| michael@0 | 16 | var gw = dbg.addDebuggee(g); |
| michael@0 | 17 | var fw = gw.getOwnPropertyDescriptor("f").value; |
| michael@0 | 18 | var bp = {hits: 0, hit: function (frame) { this.hits++; }}; |
| michael@0 | 19 | fw.script.setBreakpoint(0, bp); |
| michael@0 | 20 | |
| michael@0 | 21 | gc(); |
| michael@0 | 22 | |
| michael@0 | 23 | g.f(); |
| michael@0 | 24 | assertEq(g.d, 1); |
| michael@0 | 25 | assertEq(bp.hits, 1); |
