michael@0: var counterF = 0;
michael@0: 
michael@0: function f(v, value)
michael@0: {
michael@0:   if (v == undefined)
michael@0:     counterF++;
michael@0:   assertEq(counterF, value,
michael@0:            "failed: " + v + " " + value);
michael@0: }
michael@0: 
michael@0: f({}, 0);
michael@0: f({}, 0);
michael@0: f(null, 1);
michael@0: f(null, 2);
michael@0: f(undefined, 3);
michael@0: f(undefined, 4);
michael@0: f(objectEmulatingUndefined(), 5);
michael@0: f(objectEmulatingUndefined(), 6);
michael@0: f(Object.prototype, 6);
michael@0: f(Object.prototype, 6);
michael@0: 
michael@0: var counterG = 0;
michael@0: 
michael@0: function g(v, value)
michael@0: {
michael@0:   if (v == undefined)
michael@0:     counterG++;
michael@0:   assertEq(counterG, value,
michael@0:            "failed: " + v + " " + value);
michael@0: }
michael@0: 
michael@0: g({}, 0);
michael@0: g({}, 0);
michael@0: 
michael@0: var counterH = 0;
michael@0: 
michael@0: function h(v, value)
michael@0: {
michael@0:   if (v == undefined)
michael@0:     counterH++;
michael@0:   assertEq(counterH, value,
michael@0:            "failed: " + v + " " + value);
michael@0: }
michael@0: 
michael@0: h(objectEmulatingUndefined(), 1);
michael@0: h(objectEmulatingUndefined(), 2);