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Diffstat (limited to 'bridges/test/java_remote/Bug108825_Test.java')
-rw-r--r-- | bridges/test/java_remote/Bug108825_Test.java | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/bridges/test/java_remote/Bug108825_Test.java b/bridges/test/java_remote/Bug108825_Test.java deleted file mode 100644 index 182ae35abad3..000000000000 --- a/bridges/test/java_remote/Bug108825_Test.java +++ /dev/null @@ -1,159 +0,0 @@ -/* - * This file is part of the LibreOffice project. - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * This file incorporates work covered by the following license notice: - * - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed - * with this work for additional information regarding copyright - * ownership. The ASF licenses this file to you under the Apache - * License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.apache.org/licenses/LICENSE-2.0 . - */ - -package test.java_remote; - -import com.sun.star.bridge.XInstanceProvider; -import com.sun.star.lib.uno.typeinfo.MethodTypeInfo; -import com.sun.star.lib.uno.typeinfo.TypeInfo; -import com.sun.star.uno.UnoRuntime; -import com.sun.star.uno.XComponentContext; -import com.sun.star.uno.XInterface; -import complexlib.ComplexTestCase; -import test.lib.TestBed; - -/** - * Test case for bug #108825#. - * - * <p>Bug #108825# "Java UNO Remote Bridge: Mapped-out Objects Not Held" shows - * that local objects that are mapped out via a remote bridge, but not held - * locally, might be garbage collected while there are still remote references - * to them. This test is not guaranteed to always work reliably, see comment in - * the code.</p> - */ -public final class Bug108825_Test extends ComplexTestCase { - @Override - public String getTestObjectName() { - return getClass().getName(); - } - - @Override - public String[] getTestMethodNames() { - return new String[] { "test" }; - } - - public void test() throws Exception { - TestBed t = new TestBed(); - assure("test", t.execute(new Provider(t), true, Client.class, 0)); - } - - public static final class Client extends TestBed.Client { - public static void main(String[] args) { - new Client().execute(); - } - - @Override - protected boolean run(XComponentContext context) throws Throwable { - XTest test = UnoRuntime.queryInterface( - XTest.class, getBridge(context).getInstance("Test")); - // Send the XObject that is held on the server side amidst two - // dummies that are not held on the server side; then wait for the - // dummies to be garbage collected, hoping that the XObject, if it - // is erroneously not held on the client side, will be garbage - // collected, too. Obviously, this is not guaranteed to always work - // (the VM might chose not to garbage collect the dummies, hanging - // the test forever; or the VM might chose to garbage collect the - // dummies but not the XObject, making the test pass erroneously). - test.offer(new Dummy(), new XObject() { public void call() {} }, - new Dummy()); - System.out.println("Client waiting for garbage collection..."); - for (;;) { - synchronized (lock) { - if (finalizedCount == 2) { - break; - } - } - test.remoteGc(); - gc(); - } - System.out.println("Client garbage collection done."); - test.notification(); - return true; - } - - private final class Dummy implements XDummy { - @Override - protected void finalize() throws Throwable { - synchronized (lock) { - ++finalizedCount; - } - super.finalize(); - } - } - - private final Object lock = new Object(); - private int finalizedCount = 0; - } - - // Make it as likely as possible that the VM reclaims all garbage: - private static void gc() { - System.gc(); - System.runFinalization(); - byte[] garbage = new byte[1024 * 1024]; - } - - private static final class Provider implements XInstanceProvider { - public Provider(TestBed testBed) { - this.testBed = testBed; - } - - public Object getInstance(String instanceName) { - return new XTest() { - public void offer(XDummy dummy1, XObject obj, XDummy dummy2) - { - this.obj = obj; - } - - public void remoteGc() { - gc(); - } - - public void notification() { - obj.call(); - testBed.serverDone(true); - } - - private XObject obj; - }; - } - - private final TestBed testBed; - } - - public interface XDummy extends XInterface { - TypeInfo[] UNOTYPEINFO = null; - } - - public interface XObject extends XInterface { - void call(); - - TypeInfo[] UNOTYPEINFO = { new MethodTypeInfo("call", 0, 0) }; - } - - public interface XTest extends XInterface { - void offer(XDummy dummy1, XObject obj, XDummy dummy2); - - void remoteGc(); - - void notification(); - - TypeInfo[] UNOTYPEINFO = { new MethodTypeInfo("offer", 0, 0), - new MethodTypeInfo("remoteGc", 1, 0), - new MethodTypeInfo("notification", 2, 0) }; - } -} |