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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
75 lines
3.0 KiB
JavaScript
75 lines
3.0 KiB
JavaScript
// Copyright 2012 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 proxy_has_x = false;
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var proxy = new Proxy({}, {
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get(t, key, receiver) {
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assertSame('x', key);
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if (proxy_has_x) { return 19 }
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return 8;
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}
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});
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// Test __lookupGetter__/__lookupSetter__ with proxy.
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assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, 'foo'));
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assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, 'bar'));
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assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, '123'));
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assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, '456'));
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// Test __lookupGetter__/__lookupSetter__ with proxy in prototype chain.
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var object = Object.create(proxy);
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assertSame(undefined, Object.prototype.__lookupGetter__.call(object, 'foo'));
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assertSame(undefined, Object.prototype.__lookupSetter__.call(object, 'bar'));
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assertSame(undefined, Object.prototype.__lookupGetter__.call(object, '123'));
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assertSame(undefined, Object.prototype.__lookupSetter__.call(object, '456'));
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// Test inline constructors with proxy as prototype.
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function F() { this.x = 42 }
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F.prototype = proxy;
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var instance = new F();
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proxy_has_x = false;
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assertSame(42, instance.x);
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delete instance.x;
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assertSame(8, instance.x);
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proxy_has_x = true;
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assertSame(19, instance.x);
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// Test inline constructors with proxy in prototype chain.
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function G() { this.x = 42; }
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G.prototype.__proto__ = proxy;
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instance = new G();
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proxy_has_x = false;
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assertSame(42, instance.x);
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delete instance.x;
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assertSame(8, instance.x);
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proxy_has_x = true;
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assertSame(19, instance.x);
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