non_syntactic.js - mozsearch

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// |reftest| skip-if(!xulRuntime.shell) -- needs evaluate()

// Any copyright is dedicated to the Public Domain.

// http://creativecommons.org/licenses/publicdomain/

// Check references to someVar, both as a variable and on |this|, in

// various evaluation contexts.

var someVar = 1;

// Top level.

assertEq(someVar, 1);

assertEq(this.someVar, 1);

// Inside evaluate.

evaluate("assertEq(someVar, 1);");

evaluate("assertEq(this.someVar, 1);");

// With an object on the scope, no shadowing.

var someObject = { someOtherField: 2 };

var evalOpt = { envChainObject: someObject };

evaluate("assertEq(someVar, 1);", evalOpt);

evaluate("assertEq(this.someVar, undefined);", evalOpt);

// With an object on the scope, shadowing global.

someObject = { someVar: 2 };

evalOpt = { envChainObject: someObject };

var alsoSomeObject = someObject;

evaluate("assertEq(someVar, 2);", evalOpt);

evaluate("assertEq(this.someVar, 2);", evalOpt);

evaluate("assertEq(this, alsoSomeObject);", evalOpt);

// With an object on the scope, inside a function.

evaluate("(function() { assertEq(someVar, 2);})()", evalOpt);

evaluate("(function() { assertEq(this !== alsoSomeObject, true);})()", evalOpt);

evaluate("(function() { assertEq(this.someVar, 1);})()", evalOpt);

// `this` is ShellWindowProxy instead of GlobalObject, and it's allowed.

evaluate("assertEq(someVar, 1);", { envChainObject: this });

reportCompare(true, true);