1 /*
   2  * Copyright (c) 2016, 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.
   8  * 
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  * 
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  * 
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * JDK-8161579: Array-like AbstractJSObject-based instance not treated as array by native array functions
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 
  32 var AbstractJSObject = Java.type("jdk.nashorn.api.scripting.AbstractJSObject");
  33 var JavaStringArray = Java.type("java.lang.String[]");
  34 var JavaArrayList = Java.type("java.util.ArrayList");
  35 
  36 var arrayLikeJSObject = new AbstractJSObject() {
  37     hasMember: function(name) { return name == "length"; },
  38     getMember: function(name) { return name == "length" ? 3 : null; },
  39     hasSlot: function(slot) { return slot >= 0 && slot <= 2; },
  40     getSlot: function(slot) { return "abc"[slot]; },
  41     isArray: function() { return true; }
  42 }
  43 
  44 var javaStringArray = new JavaStringArray(3);
  45 javaStringArray[0] = "x";
  46 javaStringArray[1] = "y";
  47 javaStringArray[2] = "z";
  48 
  49 var javaArrayList = new JavaArrayList();
  50 javaArrayList.add("i");
  51 javaArrayList.add("j");
  52 javaArrayList.add("k");
  53 
  54 Assert.assertEquals([1, 2, 3].concat(arrayLikeJSObject).join(), "1,2,3,a,b,c");
  55 Assert.assertEquals([1, 2, 3].concat(javaStringArray).join(), "1,2,3,x,y,z");
  56 Assert.assertEquals([1, 2, 3].concat(javaArrayList).join(), "1,2,3,i,j,k");
  57 Assert.assertEquals([1, 2, 3].concat("foo").join(), "1,2,3,foo");
  58 Assert.assertEquals([1, 2, 3].concat(4).join(), "1,2,3,4");
  59 Assert.assertEquals([1, 2, 3].concat(false).join(), "1,2,3,false");
  60