michael@0: // Frame.prototype.this in non-strict-mode functions, with primitive 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, g.v == null ? classOf(g) : classOf(Object(g.v)));
michael@0: };
michael@0: 
michael@0: g.eval("function f() { debugger; }");
michael@0: 
michael@0: g.eval("Boolean.prototype.f = f; v = true; v.f();");
michael@0: g.eval("f.call(v);");
michael@0: g.eval("Number.prototype.f = f; v = 3.14; v.f();");
michael@0: g.eval("f.call(v);");
michael@0: g.eval("String.prototype.f = f; v = 'hello'; v.f();");
michael@0: g.eval("f.call(v);");
michael@0: g.eval("v = undefined; f.call(v);");
michael@0: g.eval("v = null; f.call(v);");
michael@0: 
michael@0: assertEq(hits, 8);