michael@0: 
michael@0: function a() {
michael@0:   return "a";
michael@0: }
michael@0: function b() {
michael@0:   return "b";
michael@0: }
michael@0: function c() {
michael@0:   return "c";
michael@0: }
michael@0: var names = ["a","b","c"];
michael@0: 
michael@0: function foo(name) {
michael@0:   return eval(name + "()");
michael@0: }
michael@0: 
michael@0: for (var i = 0; i < names.length; i++)
michael@0:   assertEq(foo(names[i]), names[i]);
michael@0: 
michael@0: // Test bailout due to bad name passed to eval.
michael@0: try {
michael@0:   foo("missing");
michael@0: } catch (e) {
michael@0:   assertEq(/missing/.test(e), true);
michael@0: }
michael@0: 
michael@0: function bar(name) {
michael@0:   return eval(name + "()");
michael@0: }
michael@0: 
michael@0: for (var i = 0; i < names.length; i++)
michael@0:   assertEq(bar(names[i]), names[i]);
michael@0: 
michael@0: function recursion() {
michael@0:   return bar({ valueOf: function() { return "gotcha"; }});
michael@0: }
michael@0: 
michael@0: function gotcha() {
michael@0:   return "gotcha";
michael@0: }
michael@0: 
michael@0: // Test invalidation within call made after name lookup.
michael@0: assertEq(bar("recursion"), "gotcha");