michael@0: // |jit-test| debug
michael@0: // Debugger.Frame.prototype.live is true for frames on the stack and false for
michael@0: // frames that have returned
michael@0: 
michael@0: var desc = Object.getOwnPropertyDescriptor(Debugger.Frame.prototype, "live");
michael@0: assertEq(typeof desc.get, "function");
michael@0: assertEq(desc.set, undefined);
michael@0: assertEq(desc.configurable, true);
michael@0: assertEq(desc.enumerable, false);
michael@0: 
michael@0: var loc;
michael@0: 
michael@0: var g = newGlobal();
michael@0: g.debuggeeGlobal = this;
michael@0: g.eval("var hits = 0;");
michael@0: g.eval("(" + function () {
michael@0:         var a = [];
michael@0:         var dbg = Debugger(debuggeeGlobal);
michael@0:         dbg.onDebuggerStatement = function (frame) {
michael@0:             var loc = debuggeeGlobal.loc;
michael@0:             a[loc] = frame;
michael@0:             for (var i = 0; i < a.length; i++) {
michael@0:                 assertEq(a[i] === frame, i === loc);
michael@0:                 assertEq(!!(a[i] && a[i].live), i >= loc);
michael@0:             }
michael@0:             hits++;
michael@0:         };
michael@0:     } + ")()");
michael@0: 
michael@0: function f(n) {
michael@0:     loc = n; debugger;
michael@0:     if (n !== 0) {
michael@0:         f(n - 1);
michael@0:         loc = n; debugger;
michael@0:         eval("f(n - 1);");
michael@0:         loc = n; debugger;
michael@0:     }
michael@0: }
michael@0: 
michael@0: f(4);
michael@0: assertEq(g.hits, 16 + 8*3 + 4*3 + 2*3 + 1*3);
michael@0: