test/jdk/javax/naming/InitialContext/AppletIsNotUsed.java

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 * 2 along with this work; if not, write to the Free Software Foundation,
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import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.naming.NoInitialContextException;
import java.util.Hashtable;

/*
 * @test
 * @bug 8051422
 * @summary Make sure java.applet.Applet is not used as a source of
 *          configuration parameters for an InitialContext
 */
public class AppletIsNotUsed {

    @SuppressWarnings("deprecation")
    public static void main(String[] args) throws NamingException {

        testWith(Context.APPLET);
        testWith("java.naming.applet");

    }

    private static void testWith(String appletProperty) throws NamingException {
        Hashtable<Object, Object> env = new Hashtable<>();
        // Deliberately put java.lang.Object rather than java.applet.Applet
        // if an applet was used we would see a ClassCastException down there
        env.put(appletProperty, new Object());
        // It's ok to instantiate InitialContext with no parameters
        // and be unaware of it right until you try to use it
        Context ctx = new InitialContext(env);
        boolean threw = true;
        try {
            ctx.lookup("whatever");
            threw = false;
        } catch (NoInitialContextException e) {
            String m = e.getMessage();
            if (m == null || m.contains("applet"))
                throw new RuntimeException("The exception message is incorrect", e);
        } catch (Throwable t) {
            throw new RuntimeException(
                    "The test was supposed to catch NoInitialContextException" +
                            " here, but caught: " + t.getClass().getName(), t);
        } finally {
            ctx.close();
        }

        if (!threw)
            throw new RuntimeException("The test was supposed to catch NoInitialContextException here");
    }
}