nashorn/test/script/basic/delete.js
author hannesw
Sat, 02 Sep 2017 14:26:29 +0200
changeset 47205 6ddad446ba23
parent 24778 2ff5d7041566
permissions -rw-r--r--
8169233: LengthNotWritableFilter extraElements.remove(index) has no effect Reviewed-by: sundar, jlaskey Contributed-by: priya.lakshmi.muthuswamy@oracle.com
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/*
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 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * Check delete operator.
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 *
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 * @test
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 * @run
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 */
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var obj = { foo: 3, bar: "hello" };
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print("foo" in obj);
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print(obj.foo);
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print(delete obj.foo);
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print("foo" in obj);
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print("bar" in obj);
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print(obj.bar);
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print(delete obj["bar"]);
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print("bar" in obj);
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print(delete obj.junk);
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print(delete obj["junk"]);
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print(delete obj[2]);
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x = 3;
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print(delete x);
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print("x" in this);
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// deleting literals
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print(delete 2);
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print(delete "hello");
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print(delete true);
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print(delete this);
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function func() {
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    print(delete this);
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}
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var o = {};
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o.func = func;
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o.func();