michael@0: function test1() {
michael@0:     function getchar(s, i) {
michael@0:         return s[i];
michael@0:     }
michael@0:     for (var i=0; i<70; i++) {
michael@0:         assertEq(getchar("foo", 0), "f");
michael@0:         assertEq(getchar("bar", 2), "r");
michael@0:     }
michael@0:     assertEq(getchar("foo", 3), undefined);
michael@0: }
michael@0: test1();