blob: cb5cd8c664fd3cf761013e9549f00922564cb119 [file] [log] [blame]
// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
var proxy_has_x = false;
var proxy = new Proxy({}, {
get(t, key, receiver) {
assertSame('x', key);
if (proxy_has_x) { return 19 }
return 8;
}
});
// Test __lookupGetter__/__lookupSetter__ with proxy.
assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, 'foo'));
assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, 'bar'));
assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, '123'));
assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, '456'));
// Test __lookupGetter__/__lookupSetter__ with proxy in prototype chain.
var object = Object.create(proxy);
assertSame(undefined, Object.prototype.__lookupGetter__.call(object, 'foo'));
assertSame(undefined, Object.prototype.__lookupSetter__.call(object, 'bar'));
assertSame(undefined, Object.prototype.__lookupGetter__.call(object, '123'));
assertSame(undefined, Object.prototype.__lookupSetter__.call(object, '456'));
// Test inline constructors with proxy as prototype.
function F() { this.x = 42 }
F.prototype = proxy;
var instance = new F();
proxy_has_x = false;
assertSame(42, instance.x);
delete instance.x;
assertSame(8, instance.x);
proxy_has_x = true;
assertSame(19, instance.x);
// Test inline constructors with proxy in prototype chain.
function G() { this.x = 42; }
G.prototype.__proto__ = proxy;
instance = new G();
proxy_has_x = false;
assertSame(42, instance.x);
delete instance.x;
assertSame(8, instance.x);
proxy_has_x = true;
assertSame(19, instance.x);