js/src/jit-test/tests/debug/Frame-onStep-09.js@6474c204b198 (annotated)
js/src/jit-test/tests/debug/Frame-onStep-09.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 | // After an implicit toString call throws an exception, the calling frame's |
| michael@0 | 2 | // onStep hook fires. |
| michael@0 | 3 | |
| michael@0 | 4 | var g = newGlobal(); |
| michael@0 | 5 | g.eval("var x = {toString: function () { debugger; log += 'x'; throw 'mud'; }};"); |
| michael@0 | 6 | |
| michael@0 | 7 | var dbg = Debugger(g); |
| michael@0 | 8 | dbg.onDebuggerStatement = function (frame) { |
| michael@0 | 9 | g.log += 'd'; |
| michael@0 | 10 | frame.older.onStep = function () { |
| michael@0 | 11 | if (!g.log.match(/[sy]$/)) |
| michael@0 | 12 | g.log += 's'; |
| michael@0 | 13 | }; |
| michael@0 | 14 | }; |
| michael@0 | 15 | |
| michael@0 | 16 | g.log = ''; |
| michael@0 | 17 | g.eval("try { x + ''; } catch (x) { }\n" + |
| michael@0 | 18 | "log += 'y';\n"); |
| michael@0 | 19 | assertEq(g.log, "dxsy"); |
| michael@0 | 20 | |
| michael@0 | 21 | g.log = ''; |
| michael@0 | 22 | g.eval("try { '' + x; } catch (x) { }\n" + |
| michael@0 | 23 | "log += 'y';\n"); |
| michael@0 | 24 | assertEq(g.log, "dxsy"); |
