1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// |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);
|