test/nashorn/script/basic/javaclassoverrides.js
changeset 47216 71c04702a3d5
parent 24778 2ff5d7041566
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     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.
       
     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  * Check behavior of class-level overrides.
       
    26  *
       
    27  * @test
       
    28  * @run
       
    29  */
       
    30 
       
    31 
       
    32 // Make two classes with class overrides
       
    33 
       
    34 var R1 = Java.extend(java.lang.Runnable, {
       
    35     run: function() {
       
    36         print("R1.run() invoked")
       
    37     }
       
    38 })
       
    39 
       
    40 var R2 = Java.extend(java.lang.Runnable, {
       
    41     run: function() {
       
    42         print("R2.run() invoked")
       
    43     }
       
    44 })
       
    45 
       
    46 var r1 = new R1
       
    47 var r2 = new R2
       
    48 // Create one with an instance-override too
       
    49 var R3 = Java.extend(R2)
       
    50 var r3 = new R3({ run: function() { print("r3.run() invoked") }})
       
    51 
       
    52 // Run 'em - we're passing them through a Thread to make sure they indeed
       
    53 // are full-blown Runnables
       
    54 function runInThread(r) {
       
    55     var t = new java.lang.Thread(r)
       
    56     t.start()
       
    57     t.join()
       
    58 }
       
    59 runInThread(r1)
       
    60 runInThread(r2)
       
    61 runInThread(r3)
       
    62 
       
    63 // Two class-override classes differ
       
    64 print("r1.class !== r2.class: " + (r1.class !== r2.class))
       
    65 // instance-override class also differs
       
    66 print("r2.class !== r3.class: " + (r2.class !== r3.class))
       
    67 
       
    68 function checkAbstract(r) {
       
    69     try {
       
    70         r.run()
       
    71         print("Expected to fail!")
       
    72     } catch(e) {
       
    73         print("Got exception: " + e)
       
    74     }
       
    75 }
       
    76 
       
    77 // Check we're hitting UnsupportedOperationException if neither class
       
    78 // overrides nor instance overrides are present
       
    79 var RAbstract = Java.extend(java.lang.Runnable, {})
       
    80 checkAbstract(new RAbstract()) // class override (empty)
       
    81 checkAbstract(new (Java.extend(RAbstract))() {}) // class+instance override (empty)
       
    82 
       
    83 // Check we delegate to superclass if neither class
       
    84 // overrides nor instance overrides are present
       
    85 var ExtendsList = Java.extend(java.util.ArrayList, {})
       
    86 print("(new ExtendsList).size() = " + (new ExtendsList).size())
       
    87 print("(new (Java.extend(ExtendsList)){}).size() = " + (new (Java.extend(ExtendsList)){}).size())