43fff3d7b1
%AddNamedProperty was only used by regression tests, and is easily replaced by Object.defineProperty (or deleted, in the case of a cctest that was designed to test it directly). %AddElement was unused (probably due to the death of array.js). Bug: v8:7624 Change-Id: Icc17fd7a7419aa649275414a351f176f104040e2 Reviewed-on: https://chromium-review.googlesource.com/c/1387990 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Adam Klein <adamk@chromium.org> Cr-Commit-Position: refs/heads/master@{#58448}
85 lines
3.0 KiB
JavaScript
85 lines
3.0 KiB
JavaScript
// Copyright 2008 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.
|
|
|
|
// Flags: --allow-natives-syntax
|
|
|
|
// Make sure that we can introduce global variables that shadow even
|
|
// READ_ONLY variables in the prototype chain.
|
|
var NONE = 0;
|
|
var READ_ONLY = 1;
|
|
|
|
function AddNamedProperty(object, name, value, attrs) {
|
|
Object.defineProperty(object, name, {
|
|
value,
|
|
configurable: true,
|
|
enumerable: true,
|
|
writable: (attrs & READ_ONLY) === 0
|
|
});
|
|
}
|
|
|
|
// Use DeclareGlobal...
|
|
AddNamedProperty(this.__proto__, "a", 1234, NONE);
|
|
assertEquals(1234, a);
|
|
eval("var a = 5678;");
|
|
assertEquals(5678, a);
|
|
|
|
AddNamedProperty(this.__proto__, "b", 1234, NONE);
|
|
assertEquals(1234, b);
|
|
eval("var b = 5678;");
|
|
assertEquals(5678, b);
|
|
|
|
AddNamedProperty(this.__proto__, "c", 1234, READ_ONLY);
|
|
assertEquals(1234, c);
|
|
eval("var c = 5678;");
|
|
assertEquals(5678, c);
|
|
|
|
AddNamedProperty(this.__proto__, "d", 1234, READ_ONLY);
|
|
assertEquals(1234, d);
|
|
eval("var d = 5678;");
|
|
assertEquals(5678, d);
|
|
|
|
// Use DeclareContextSlot...
|
|
AddNamedProperty(this.__proto__, "x", 1234, NONE);
|
|
assertEquals(1234, x);
|
|
eval("with({}) { var x = 5678; }");
|
|
assertEquals(5678, x);
|
|
|
|
AddNamedProperty(this.__proto__, "y", 1234, NONE);
|
|
assertEquals(1234, y);
|
|
eval("with({}) { var y = 5678; }");
|
|
assertEquals(5678, y);
|
|
|
|
AddNamedProperty(this.__proto__, "z", 1234, READ_ONLY);
|
|
assertEquals(1234, z);
|
|
eval("with({}) { var z = 5678; }");
|
|
assertEquals(5678, z);
|
|
|
|
AddNamedProperty(this.__proto__, "w", 1234, READ_ONLY);
|
|
assertEquals(1234, w);
|
|
eval("with({}) { var w = 5678; }");
|
|
assertEquals(5678, w);
|