non_syntactic.js (1405B)
1 // |reftest| skip-if(!xulRuntime.shell) -- needs evaluate() 2 // Any copyright is dedicated to the Public Domain. 3 // http://creativecommons.org/licenses/publicdomain/ 4 5 // Check references to someVar, both as a variable and on |this|, in 6 // various evaluation contexts. 7 var someVar = 1; 8 9 // Top level. 10 assertEq(someVar, 1); 11 assertEq(this.someVar, 1); 12 13 // Inside evaluate. 14 evaluate("assertEq(someVar, 1);"); 15 evaluate("assertEq(this.someVar, 1);"); 16 17 // With an object on the scope, no shadowing. 18 var someObject = { someOtherField: 2 }; 19 var evalOpt = { envChainObject: someObject }; 20 evaluate("assertEq(someVar, 1);", evalOpt); 21 evaluate("assertEq(this.someVar, undefined);", evalOpt); 22 23 // With an object on the scope, shadowing global. 24 someObject = { someVar: 2 }; 25 evalOpt = { envChainObject: someObject }; 26 var alsoSomeObject = someObject; 27 evaluate("assertEq(someVar, 2);", evalOpt); 28 evaluate("assertEq(this.someVar, 2);", evalOpt); 29 evaluate("assertEq(this, alsoSomeObject);", evalOpt); 30 31 // With an object on the scope, inside a function. 32 evaluate("(function() { assertEq(someVar, 2);})()", evalOpt); 33 evaluate("(function() { assertEq(this !== alsoSomeObject, true);})()", evalOpt); 34 evaluate("(function() { assertEq(this.someVar, 1);})()", evalOpt); 35 36 // `this` is ShellWindowProxy instead of GlobalObject, and it's allowed. 37 evaluate("assertEq(someVar, 1);", { envChainObject: this }); 38 39 reportCompare(true, true);