Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | // Clearing a breakpoint by handler can clear multiple breakpoints. |
michael@0 | 2 | |
michael@0 | 3 | var g = newGlobal(); |
michael@0 | 4 | var dbg = Debugger(g); |
michael@0 | 5 | var s; |
michael@0 | 6 | dbg.onDebuggerStatement = function (frame) { |
michael@0 | 7 | s = frame.eval("f").return.script; |
michael@0 | 8 | }; |
michael@0 | 9 | g.eval("var line0 = Error().lineNumber;\n" + |
michael@0 | 10 | "function f(a, b) {\n" + // line0 + 1 |
michael@0 | 11 | " return a + b;\n" + // line0 + 2 |
michael@0 | 12 | "}\n" + |
michael@0 | 13 | "debugger;\n"); |
michael@0 | 14 | |
michael@0 | 15 | var hits = 0; |
michael@0 | 16 | var handler = {hit: function (frame) { hits++; s.clearBreakpoint(handler); }}; |
michael@0 | 17 | var offs = s.getLineOffsets(g.line0 + 2); |
michael@0 | 18 | for (var i = 0; i < 4; i++) { |
michael@0 | 19 | for (var j = 0; j < offs.length; j++) |
michael@0 | 20 | s.setBreakpoint(offs[j], handler); |
michael@0 | 21 | } |
michael@0 | 22 | |
michael@0 | 23 | assertEq(g.f(2, 2), 4); |
michael@0 | 24 | assertEq(hits, 1); |
michael@0 | 25 | assertEq(s.getBreakpoints().length, 0); |