59   assertEquals(116, s().charCodeAt());
60   assertEquals(116, s().charCodeAt("string"));
61   assertEquals(116, s().charCodeAt(null));
62   assertEquals(116, s().charCodeAt(void 0));
63   assertEquals(116, s().charCodeAt(false));
64   assertEquals(101, s().charCodeAt(true));
65   assertEquals(116, s().charCodeAt(0));
66   assertEquals(116, s().charCodeAt(-0.0));
67   assertEquals(116, s().charCodeAt(-0.1));
68   assertEquals(116, s().charCodeAt(0.4));
69   assertEquals(101, s().charCodeAt(slowIndex1));
70   assertEquals(115, s().charCodeAt(slowIndex2));
71   assertEquals(116, s().charCodeAt(3));
72   assertEquals(116, s().charCodeAt(3.4));
73   assertEquals(116, s().charCodeAt(NaN));
74   assertTrue(isNaN(s().charCodeAt(-1)));
75   assertTrue(isNaN(s().charCodeAt(len)));
76   assertTrue(isNaN(s().charCodeAt(slowIndexOutOfRange)));
77   assertTrue(isNaN(s().charCodeAt(1/0)));
78   assertTrue(isNaN(s().charCodeAt(-1/0)));
100   charCodeAt: String.prototype.charCodeAt,  property
112   assertEquals(48, o.charCodeAt(0));
113   assertEquals(49, o.charCodeAt(1));
114   assertEquals(49, o.charCodeAt(1.4));
115   assertEquals(49, o.charCodeAt(slowIndex1));
116   assertEquals(50, o.charCodeAt(2));
117   assertEquals(50, o.charCodeAt(slowIndex2));
122   assertTrue(isNaN(o.charCodeAt(-1)));
123   assertTrue(isNaN(o.charCodeAt(-1.4)));
124   assertTrue(isNaN(o.charCodeAt(10)));
125   assertTrue(isNaN(o.charCodeAt(slowIndexOutOfRange)));
168       result = o.charCodeAt(1);
215       result = o.charCodeAt(index);
247       String.prototype.charCodeAt = function() { return 42; };  method in String
249     result = s.charCodeAt(1);
253   delete String.prototype.charCodeAt;  // Restore the default.  method in delete