michael@0: // A breakpoint handler may clear itself.
michael@0: 
michael@0: var g = newGlobal();
michael@0: var bphits = 0;
michael@0: var handler = {hit: function (frame) { frame.script.clearBreakpoint(this); bphits++; }};
michael@0: var dbg = Debugger(g);
michael@0: var hits = 0;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     var offs = frame.script.getLineOffsets(g.line0 + 3);
michael@0:     for (var i = 0; i < offs.length; i++)
michael@0:         frame.script.setBreakpoint(offs[i], handler);
michael@0:     hits++;
michael@0: };
michael@0: g.eval("var line0 = Error().lineNumber;\n" +
michael@0:        "debugger;\n" +                    // line0 + 1
michael@0:        "for (var i = 0; i < 4; i++)\n" +  // line0 + 2
michael@0:        "    result = 'ok';\n");           // line0 + 3
michael@0: assertEq(hits, 1);
michael@0: assertEq(bphits, 1);