test/script/basic/javaclassoverrides.js

changeset 0
b1a7da25b547
child 952
6d5471a497fb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/script/basic/javaclassoverrides.js	Wed Apr 27 01:36:41 2016 +0800
     1.3 @@ -0,0 +1,87 @@
     1.4 +/*
     1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + * 
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + * 
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + * 
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + * 
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * Check behavior of class-level overrides.
    1.29 + *
    1.30 + * @test
    1.31 + * @run
    1.32 + */
    1.33 +
    1.34 +
    1.35 +// Make two classes with class overrides
    1.36 +
    1.37 +var R1 = Java.extend(java.lang.Runnable, {
    1.38 +    run: function() {
    1.39 +        print("R1.run() invoked")
    1.40 +    }
    1.41 +})
    1.42 +
    1.43 +var R2 = Java.extend(java.lang.Runnable, {
    1.44 +    run: function() {
    1.45 +        print("R2.run() invoked")
    1.46 +    }
    1.47 +})
    1.48 +
    1.49 +var r1 = new R1
    1.50 +var r2 = new R2
    1.51 +// Create one with an instance-override too
    1.52 +var R3 = Java.extend(R2)
    1.53 +var r3 = new R3({ run: function() { print("r3.run() invoked") }})
    1.54 +
    1.55 +// Run 'em - we're passing them through a Thread to make sure they indeed
    1.56 +// are full-blown Runnables
    1.57 +function runInThread(r) {
    1.58 +    var t = new java.lang.Thread(r)
    1.59 +    t.start()
    1.60 +    t.join()
    1.61 +}
    1.62 +runInThread(r1)
    1.63 +runInThread(r2)
    1.64 +runInThread(r3)
    1.65 +
    1.66 +// Two class-override classes differ
    1.67 +print("r1.class !== r2.class: " + (r1.class !== r2.class))
    1.68 +// instance-override class also differs
    1.69 +print("r2.class !== r3.class: " + (r2.class !== r3.class))
    1.70 +
    1.71 +function checkAbstract(r) {
    1.72 +    try {
    1.73 +        r.run()
    1.74 +        print("Expected to fail!")
    1.75 +    } catch(e) {
    1.76 +        print("Got exception: " + e)
    1.77 +    }
    1.78 +}
    1.79 +
    1.80 +// Check we're hitting UnsupportedOperationException if neither class
    1.81 +// overrides nor instance overrides are present
    1.82 +var RAbstract = Java.extend(java.lang.Runnable, {})
    1.83 +checkAbstract(new RAbstract()) // class override (empty)
    1.84 +checkAbstract(new (Java.extend(RAbstract))() {}) // class+instance override (empty)
    1.85 +
    1.86 +// Check we delegate to superclass if neither class
    1.87 +// overrides nor instance overrides are present
    1.88 +var ExtendsList = Java.extend(java.util.ArrayList, {})
    1.89 +print("(new ExtendsList).size() = " + (new ExtendsList).size())
    1.90 +print("(new (Java.extend(ExtendsList)){}).size() = " + (new (Java.extend(ExtendsList)){}).size())

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