Tue, 11 Oct 2016 12:07:47 -0700
Added tag jdk8u131-b00 for changeset 742cdd2928b6
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 */
24 /**
25 * Check behavior of class-level overrides.
26 *
27 * @test
28 * @run
29 */
32 // Make two classes with class overrides
34 var R1 = Java.extend(java.lang.Runnable, {
35 run: function() {
36 print("R1.run() invoked")
37 }
38 })
40 var R2 = Java.extend(java.lang.Runnable, {
41 run: function() {
42 print("R2.run() invoked")
43 }
44 })
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") }})
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)
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))
68 function checkAbstract(r) {
69 try {
70 r.run()
71 print("Expected to fail!")
72 } catch(e) {
73 print("Got exception: " + e)
74 }
75 }
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)
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())