1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nashorn.internal.runtime.test;
  27 
  28 import static org.testng.Assert.assertEquals;
  29 
  30 import java.util.Arrays;
  31 import java.util.Deque;
  32 import java.util.List;
  33 import javax.script.ScriptEngine;
  34 import javax.script.ScriptException;
  35 import jdk.nashorn.api.scripting.NashornScriptEngineFactory;
  36 import org.testng.annotations.Test;
  37 
  38 /**
  39  * @bug 8081204
  40  * @summary adding and removing elements to a ListAdapter outside of JS context should work.
  41  */
  42 @SuppressWarnings("javadoc")
  43 public class AddAndRemoveOnListAdapterOutsideOfJavaScriptContextTest {
  44 
  45     @SuppressWarnings("unchecked")
  46     private static <T> T getListAdapter() throws ScriptException {
  47         final ScriptEngine engine = new NashornScriptEngineFactory().getScriptEngine();
  48         return (T)engine.eval("Java.to([1, 2, 3, 4], 'java.util.List')");
  49     }
  50 
  51     @Test
  52     public void testInvokePush() throws ScriptException {
  53         final Deque<Object> l = getListAdapter();
  54         l.addLast(5);
  55         assertEquals(l.size(), 5);
  56         assertEquals(l.getLast(), 5);
  57         assertEquals(l.getFirst(), 1);
  58     }
  59 
  60     @Test
  61     public void testPop() throws ScriptException {
  62         final Deque<Object> l = getListAdapter();
  63         assertEquals(l.removeLast(), 4);
  64         assertEquals(l.size(), 3);
  65         assertEquals(l.getLast(), 3);
  66     }
  67 
  68     @Test
  69     public void testUnshift() throws ScriptException {
  70         final Deque<Object> l = getListAdapter();
  71         l.addFirst(0);
  72         assertEquals(l.getFirst(), 0);
  73         assertEquals(l.getLast(), 4);
  74         assertEquals(l.size(), 5);
  75     }
  76 
  77     @Test
  78     public void testShift() throws ScriptException {
  79         final Deque<Object> l = getListAdapter();
  80         l.removeFirst();
  81         assertEquals(l.getFirst(), 2);
  82         assertEquals(l.getLast(), 4);
  83         assertEquals(l.size(), 3);
  84     }
  85 
  86     @Test
  87     public void testSpliceAdd() throws ScriptException {
  88         final List<Object> l = getListAdapter();
  89         assertEquals(l, Arrays.asList(1, 2, 3, 4));
  90         l.add(2, "foo");
  91         assertEquals(l, Arrays.asList(1, 2, "foo", 3, 4));
  92     }
  93 
  94 
  95     @Test
  96     public void testSpliceRemove() throws ScriptException {
  97         final List<Object> l = getListAdapter();
  98         assertEquals(l, Arrays.asList(1, 2, 3, 4));
  99         l.remove(2);
 100         assertEquals(l, Arrays.asList(1, 2, 4));
 101     }
 102 }