1 /*
   2  * Copyright (c) 2010, 2013, 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.api.javaaccess.test;
  27 
  28 import static org.testng.AssertJUnit.assertEquals;
  29 import java.util.HashMap;
  30 import java.util.Map;
  31 import javax.script.Bindings;
  32 import javax.script.ScriptContext;
  33 import javax.script.ScriptEngine;
  34 import javax.script.ScriptEngineManager;
  35 import javax.script.ScriptException;
  36 import jdk.nashorn.api.scripting.JSObject;
  37 import org.testng.TestNG;
  38 import org.testng.annotations.AfterClass;
  39 import org.testng.annotations.BeforeClass;
  40 import org.testng.annotations.Test;
  41 
  42 @SuppressWarnings("javadoc")
  43 public class ConsStringTest {
  44     private static ScriptEngine e = null;
  45 
  46     public static void main(final String[] args) {
  47         TestNG.main(args);
  48     }
  49 
  50     @BeforeClass
  51     public static void setUpClass() {
  52         e = new ScriptEngineManager().getEngineByName("nashorn");
  53     }
  54 
  55     @AfterClass
  56     public static void tearDownClass() {
  57         e = null;
  58     }
  59 
  60     @Test
  61     public void testConsStringFlattening() throws ScriptException {
  62         final Bindings b = e.getBindings(ScriptContext.ENGINE_SCOPE);
  63         final Map<Object, Object> m = new HashMap<>();
  64         b.put("m", m);
  65         e.eval("var x = 'f'; x += 'oo'; var y = 'b'; y += 'ar'; m.put(x, y)");
  66         assertEquals("bar", m.get("foo"));
  67     }
  68 
  69     @Test
  70     public void testConsStringFromMirror() throws ScriptException {
  71         final Bindings b = e.getBindings(ScriptContext.ENGINE_SCOPE);
  72         //final Map<Object, Object> m = new HashMap<>();
  73         e.eval("var x = 'f'; x += 'oo'; var obj = {x: x};");
  74         assertEquals("foo", ((JSObject)b.get("obj")).getMember("x"));
  75     }
  76 
  77     @Test
  78     public void testArrayConsString() throws ScriptException {
  79         final Bindings b = e.getBindings(ScriptContext.ENGINE_SCOPE);
  80         final ArrayHolder h = new ArrayHolder();
  81         b.put("h", h);
  82         e.eval("var x = 'f'; x += 'oo'; h.array = [x];");
  83         assertEquals(1, h.array.length);
  84         assertEquals("foo", h.array[0]);
  85     }
  86 
  87 
  88     public static class ArrayHolder {
  89         private Object[] array;
  90 
  91         public void setArray(final Object[] array) {
  92             this.array = array;
  93         }
  94 
  95         public Object[] getArray() {
  96             return array;
  97         }
  98     }
  99 }