michael@0: // The objects on the environment chain are all Debugger.Environment objects.
michael@0: // The environment chain ends in null.
michael@0: 
michael@0: var g = newGlobal()
michael@0: g.eval("function f(a) { return function (b) { return function (c) { h(); return a + b + c; }; }; }");
michael@0: var dbg = Debugger(g);
michael@0: var hits = 0;
michael@0: g.h = function () {
michael@0:     var n = 0;
michael@0:     for (var env = dbg.getNewestFrame().environment; env !== null; env = env.parent) {
michael@0:         n++;
michael@0:         assertEq(env instanceof Debugger.Environment, true);
michael@0:     }
michael@0:     assertEq(n >= 4, true);
michael@0:     hits++;
michael@0: };
michael@0: assertEq(g.f(5)(7)(9), 21);
michael@0: assertEq(hits, 1);