michael@0: // Debugger.Frame.prototype.this in functions, with object values
michael@0: 
michael@0: function classOf(obj) {
michael@0:     return Object.prototype.toString.call(obj).match(/^\[object (.*)\]$/)[1];
michael@0: }
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg = new Debugger(g);
michael@0: var hits = 0;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     hits++;
michael@0:     assertEq(frame.this instanceof Debugger.Object, true);
michael@0:     assertEq(frame.this.class, classOf(Object(g.v)));
michael@0: };
michael@0: 
michael@0: g.eval("function f() { debugger; }");
michael@0: 
michael@0: g.eval("v = {}; f.call(v);");
michael@0: g.eval("v.f = f; v.f();");
michael@0: g.eval("v = new Date; f.call(v);");
michael@0: g.eval("v.f = f; v.f();");
michael@0: g.eval("v = []; f.call(v);");
michael@0: g.eval("Object.prototype.f = f; v.f();");
michael@0: g.eval("v = this; f();");
michael@0: assertEq(hits, 7);