michael@0: // Any copyright is dedicated to the Public Domain.
michael@0: // http://creativecommons.org/licenses/publicdomain/
michael@0: 
michael@0: var a = 9;
michael@0: var global = this;
michael@0: 
michael@0: function test() {
michael@0:     var a = 0;
michael@0: 
michael@0:     // direct eval sees local a
michael@0:     assertEq(eval('a+1'), 1);
michael@0:     assertEq(eval('eval("a+1")'), 1);
michael@0: 
michael@0:     // indirect: using a name other than 'eval'
michael@0:     var foo = eval;
michael@0:     assertEq(foo('a+1'), 10);
michael@0:     assertEq(eval('foo("a+1")'), 10); // outer eval is direct, inner foo("a+1") is indirect
michael@0: 
michael@0:     // indirect: qualified method call
michael@0:     assertEq(this.eval("a+1"), 10);
michael@0:     assertEq(global.eval("a+1"), 10);
michael@0:     var obj = {foo: eval, eval: eval};
michael@0:     assertEq(obj.foo('a+1'), 10);
michael@0:     assertEq(obj.eval('a+1'), 10);
michael@0:     var name = "eval";
michael@0:     assertEq(obj[name]('a+1'), 10);
michael@0:     assertEq([eval][0]('a+1'), 10);
michael@0: 
michael@0:     // indirect: not called from a CallExpression at all
michael@0:     assertEq(eval.call(undefined, 'a+1'), 10);
michael@0:     assertEq(eval.call(global, 'a+1'), 10);
michael@0:     assertEq(eval.apply(undefined, ['a+1']), 10);
michael@0:     assertEq(eval.apply(global, ['a+1']), 10);
michael@0:     assertEq(['a+1'].map(eval)[0], 10);
michael@0: }
michael@0: 
michael@0: test();
michael@0: reportCompare(0, 0);