jdk/test/java/util/logging/TestLoggingWithMainAppContext.java
author dfuchs
Wed, 04 Sep 2013 16:22:22 +0200
changeset 19809 dc0480c1b36c
child 35768 7066da300a08
permissions -rw-r--r--
8019853: Break logging and AWT circular dependency Summary: Break logging and AWT circular dependency, which was at the root cause for 8023258 - Logger.getLogger() after ImageIO.read() returns different logger instance Reviewed-by: mchung, art
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/*
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 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.util.logging.Logger;
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import javax.imageio.ImageIO;
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/**
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 * @test
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 * @bug 8019853 8023258
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 * @summary Test that the default user context is used when in the main
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 *          application context. This test must not be run in same VM or agent
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 *          VM mode: it would not test the intended behavior.
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 * @run main/othervm TestLoggingWithMainAppContext
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 */
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public class TestLoggingWithMainAppContext {
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    public static void main(String[] args) throws IOException {
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        System.out.println("Creating loggers.");
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        // These loggers will be created in the default user context.
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        final Logger foo1 = Logger.getLogger( "foo" );
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        final Logger bar1 = Logger.getLogger( "foo.bar" );
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        if (bar1.getParent() != foo1) {
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            throw new RuntimeException("Parent logger of bar1 "+bar1+" is not "+foo1);
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        }
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        System.out.println("bar1.getParent() is the same as foo1");
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        // Set a security manager
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        System.setSecurityManager(new SecurityManager());
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        System.out.println("Now running with security manager");
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        // Triggers the creation of the main AppContext
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        ByteArrayInputStream is = new ByteArrayInputStream(new byte[] { 0, 1 });
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        ImageIO.read(is); // triggers calls to system loggers & creation of main AppContext
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        // verify that we're still using the default user context
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        final Logger bar2 = Logger.getLogger( "foo.bar" );
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        if (bar1 != bar2) {
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            throw new RuntimeException("bar2 "+bar2+" is not the same as bar1 "+bar1);
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        }
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        System.out.println("bar2 is the same as bar1");
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        if (bar2.getParent() != foo1) {
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            throw new RuntimeException("Parent logger of bar2 "+bar2+" is not foo1 "+foo1);
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        }
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        System.out.println("bar2.getParent() is the same as foo1");
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        final Logger foo2 = Logger.getLogger("foo");
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        if (foo1 != foo2) {
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            throw new RuntimeException("foo2 "+foo2+" is not the same as foo1 "+foo1);
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        }
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        System.out.println("foo2 is the same as foo1");
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        System.out.println("Test passed.");
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    }
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}