/* * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * Check behavior of class-level overrides. * * @test * @run */ // Make two classes with class overrides var R1 = Java.extend(java.lang.Runnable, { run: function() { print("R1.run() invoked") } }) var R2 = Java.extend(java.lang.Runnable, { run: function() { print("R2.run() invoked") } }) var r1 = new R1 var r2 = new R2 // Create one with an instance-override too var r3 = new R2(function() { print("r3.run() invoked") }) // Run 'em - we're passing them through a Thread to make sure they indeed // are full-blown Runnables function runInThread(r) { var t = new java.lang.Thread(r) t.start() t.join() } runInThread(r1) runInThread(r2) runInThread(r3) // Two class-override classes differ print("r1.class != r2.class: " + (r1.class != r2.class)) // However, adding instance-overrides doesn't change the class print("r2.class == r3.class: " + (r2.class == r3.class)) function checkAbstract(r) { try { r.run() print("Expected to fail!") } catch(e) { print("Got exception: " + e) } } // Check we're hitting UnsupportedOperationException if neither class // overrides nor instance overrides are present var RAbstract = Java.extend(java.lang.Runnable, {}) checkAbstract(new RAbstract()) // class override (empty) checkAbstract(new RAbstract() {}) // class+instance override (empty) // Check we delegate to superclass if neither class // overrides nor instance overrides are present var ExtendsList = Java.extend(java.util.ArrayList, {}) print("(new ExtendsList).size() = " + (new ExtendsList).size()) print("(new ExtendsList(){}).size() = " + (new ExtendsList(){}).size())