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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * 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
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import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.logging.Logger;
import javax.imageio.ImageIO;

/**
 * @test
 * @bug 8019853 8023258
 * @summary Test that the default user context is used when in the main
 *          application context. This test must not be run in same VM or agent
 *          VM mode: it would not test the intended behavior.
 * @modules java.desktop
 *          java.logging
 * @run main/othervm TestLoggingWithMainAppContext
 */
public class TestLoggingWithMainAppContext {

    public static void main(String[] args) throws IOException {
        System.out.println("Creating loggers.");

        // These loggers will be created in the default user context.
        final Logger foo1 = Logger.getLogger( "foo" );
        final Logger bar1 = Logger.getLogger( "foo.bar" );
        if (bar1.getParent() != foo1) {
            throw new RuntimeException("Parent logger of bar1 "+bar1+" is not "+foo1);
        }
        System.out.println("bar1.getParent() is the same as foo1");

        // Triggers the creation of the main AppContext
        ByteArrayInputStream is = new ByteArrayInputStream(new byte[] { 0, 1 });
        ImageIO.read(is); // triggers calls to system loggers & creation of main AppContext

        // verify that we're still using the default user context
        final Logger bar2 = Logger.getLogger( "foo.bar" );
        if (bar1 != bar2) {
            throw new RuntimeException("bar2 "+bar2+" is not the same as bar1 "+bar1);
        }
        System.out.println("bar2 is the same as bar1");
        if (bar2.getParent() != foo1) {
            throw new RuntimeException("Parent logger of bar2 "+bar2+" is not foo1 "+foo1);
        }
        System.out.println("bar2.getParent() is the same as foo1");
        final Logger foo2 = Logger.getLogger("foo");
        if (foo1 != foo2) {
            throw new RuntimeException("foo2 "+foo2+" is not the same as foo1 "+foo1);
        }
        System.out.println("foo2 is the same as foo1");

        System.out.println("Test passed.");
    }
}