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62 lines
2.6 KiB
62 lines
2.6 KiB
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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var realmA = Realm.current();
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var realmB = Realm.create();
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assertEquals(0, realmA);
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assertEquals(1, realmB);
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// The global objects match the realms' this binding.
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assertSame(this, Realm.global(realmA));
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assertSame(Realm.eval(realmB, "this"), Realm.global(realmB));
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assertFalse(this === Realm.global(realmB));
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// The global object is not accessible cross-realm.
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var x = 3;
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Realm.shared = this;
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assertThrows("Realm.eval(realmB, 'x')");
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assertSame(undefined, Realm.eval(realmB, "this.x"));
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assertSame(undefined, Realm.eval(realmB, "Realm.shared.x"));
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Realm.eval(realmB, "Realm.global(0).y = 1");
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assertThrows("y");
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assertSame(undefined, this.y);
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// Can get or set other objects' properties cross-realm.
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var p = {a: 1};
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var o = {__proto__: p, b: 2};
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Realm.shared = o;
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assertSame(1, Realm.eval(realmB, "Realm.shared.a"));
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assertSame(2, Realm.eval(realmB, "Realm.shared.b"));
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// Cannot get or set a prototype cross-realm.
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assertSame(undefined, Realm.eval(realmB, "Realm.shared.__proto__"));
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Realm.eval(realmB, "Realm.shared.__proto__ = {c: 3}");
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assertSame(1, o.a);
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assertSame(undefined, o.c);
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