michael@0: function testNot() {
michael@0:     var a = new Object(), b = null, c = "foo", d = "", e = 5, f = 0, g = 5.5, h = -0, i = true, j = false, k = undefined;
michael@0:     var r;
michael@0:     for (var i = 0; i < 10; ++i)
michael@0:         r = [!a, !b, !c, !d, !e, !f, !g, !h, !i, !j, !k];
michael@0:     return r.join(",");
michael@0: }
michael@0: assertEq(testNot(), "false,true,false,true,false,true,false,true,false,true,true");