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1 // Copyright 2013 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 var realmA = Realm.current(); | |
29 var realmB = Realm.create(); | |
30 assertEquals(0, realmA); | |
31 assertEquals(1, realmB); | |
32 | |
33 // The global objects match the realms' this binding. | |
34 assertSame(this, Realm.global(realmA)); | |
35 assertSame(Realm.eval(realmB, "this"), Realm.global(realmB)); | |
36 assertFalse(this === Realm.global(realmB)); | |
37 | |
38 // The global object is not accessible cross-realm. | |
39 var x = 3; | |
40 Realm.shared = this; | |
41 assertThrows("Realm.eval(realmB, 'x')"); | |
42 assertSame(undefined, Realm.eval(realmB, "this.x")); | |
43 assertSame(undefined, Realm.eval(realmB, "Realm.shared.x")); | |
44 | |
45 Realm.eval(realmB, "Realm.global(0).y = 1"); | |
46 assertThrows("y"); | |
47 assertSame(undefined, this.y); | |
48 | |
49 // Can get or set other objects' properties cross-realm. | |
50 var p = {a: 1}; | |
51 var o = {__proto__: p, b: 2}; | |
52 Realm.shared = o; | |
53 assertSame(1, Realm.eval(realmB, "Realm.shared.a")); | |
54 assertSame(2, Realm.eval(realmB, "Realm.shared.b")); | |
55 | |
56 // Cannot get or set a prototype cross-realm. | |
57 assertSame(undefined, Realm.eval(realmB, "Realm.shared.__proto__")); | |
58 | |
59 Realm.eval(realmB, "Realm.shared.__proto__ = {c: 3}"); | |
60 assertSame(1, o.a); | |
61 assertSame(undefined, o.c); | |
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