b270813388
Proxies are not properly supported yet. This is a reland of 1405243006. TBR=rossberg@chromium.org Review URL: https://codereview.chromium.org/1460563002 Cr-Commit-Position: refs/heads/master@{#32065}
94 lines
3.6 KiB
JavaScript
94 lines
3.6 KiB
JavaScript
// Copyright 2015 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.
|
|
|
|
// This is adapted from mjsunit/object-get-own-property-names.js.
|
|
|
|
// Flags: --harmony-reflect
|
|
|
|
|
|
// Check simple cases.
|
|
var obj = { a: 1, b: 2};
|
|
var keys = Reflect.ownKeys(obj);
|
|
assertEquals(2, keys.length);
|
|
assertEquals("a", keys[0]);
|
|
assertEquals("b", keys[1]);
|
|
|
|
var obj = { a: function(){}, b: function(){} };
|
|
var keys = Reflect.ownKeys(obj);
|
|
assertEquals(2, keys.length);
|
|
assertEquals("a", keys[0]);
|
|
assertEquals("b", keys[1]);
|
|
|
|
// Check slow case
|
|
var obj = { a: 1, b: 2, c: 3 };
|
|
delete obj.b;
|
|
var keys = Reflect.ownKeys(obj)
|
|
assertEquals(2, keys.length);
|
|
assertEquals("a", keys[0]);
|
|
assertEquals("c", keys[1]);
|
|
|
|
// Check that non-enumerable properties are being returned.
|
|
var keys = Reflect.ownKeys([1, 2]);
|
|
assertEquals(3, keys.length);
|
|
assertEquals("0", keys[0]);
|
|
assertEquals("1", keys[1]);
|
|
assertEquals("string", typeof keys[0]);
|
|
assertEquals("string", typeof keys[1]);
|
|
assertEquals("length", keys[2]);
|
|
|
|
// Check that no proto properties are returned.
|
|
var obj = { foo: "foo" };
|
|
obj.__proto__ = { bar: "bar" };
|
|
keys = Reflect.ownKeys(obj);
|
|
assertEquals(1, keys.length);
|
|
assertEquals("foo", keys[0]);
|
|
|
|
// Check that getter properties are returned.
|
|
var obj = {};
|
|
obj.__defineGetter__("getter", function() {});
|
|
keys = Reflect.ownKeys(obj);
|
|
assertEquals(1, keys.length);
|
|
assertEquals("getter", keys[0]);
|
|
|
|
// Check that implementation does not access Array.prototype.
|
|
var savedConcat = Array.prototype.concat;
|
|
Array.prototype.concat = function() { return []; }
|
|
keys = Reflect.ownKeys({0: 'foo', bar: 'baz'});
|
|
assertEquals(2, keys.length);
|
|
assertEquals('0', keys[0]);
|
|
assertEquals('bar', keys[1]);
|
|
assertSame(Array.prototype, keys.__proto__);
|
|
Array.prototype.concat = savedConcat;
|
|
|
|
assertThrows(function() { Reflect.ownKeys(4) }, TypeError);
|
|
assertThrows(function() { Reflect.ownKeys("foo") }, TypeError);
|
|
assertThrows(function() { Reflect.ownKeys(true) }, TypeError);
|
|
|
|
assertEquals(Reflect.ownKeys(Object(4)), []);
|
|
assertEquals(Reflect.ownKeys(Object("foo")), ["0", "1", "2", "length"]);
|
|
assertEquals(Reflect.ownKeys(Object(true)), []);
|