michael@0: // After clearing one breakpoint, another breakpoint at the same instruction still works.
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg = Debugger(g);
michael@0: var script = null;
michael@0: var handlers = [];
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     function handler(i) {
michael@0:         return {hit: function (frame) { g.log += '' + i; }};
michael@0:     }
michael@0:     var f = frame.eval("f").return;
michael@0:     var s = f.script;
michael@0:     if (script === null)
michael@0:         script = s;
michael@0:     else
michael@0:         assertEq(s, script);
michael@0: 
michael@0:     var offs = s.getLineOffsets(g.line0 + 3);
michael@0:     for (var i = 0; i < 3; i++) {
michael@0:         handlers[i] = handler(i);
michael@0:         for (var j = 0; j < offs.length; j++)
michael@0:             s.setBreakpoint(offs[j], handlers[i]);
michael@0:     }
michael@0: };
michael@0: 
michael@0: g.eval("var line0 = Error().lineNumber;\n" +
michael@0:        "function f() {\n" +     // line0 + 1
michael@0:        "    log += 'x';\n" +    // line0 + 2
michael@0:        "    log += 'y';\n" +    // line0 + 3
michael@0:        "}\n" +
michael@0:        "debugger;\n");
michael@0: assertEq(handlers.length, 3);
michael@0: 
michael@0: g.log = '';
michael@0: g.f();
michael@0: assertEq(g.log, 'x012y');
michael@0: 
michael@0: script.clearBreakpoint(handlers[0]);
michael@0: 
michael@0: g.log = '';
michael@0: g.f();
michael@0: assertEq(g.log, 'x12y');