security/src/test/api/java/org/apache/harmony/security/tests/java/security/cert/serialization/CertPathTest.java

/*
 *  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
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/**
 * @author Vladimir N. Molotkov
 */

package org.apache.harmony.security.tests.java.security.cert.serialization;

import java.io.ObjectStreamException;
import java.security.cert.CertPath;
import java.security.cert.CertificateFactory;

import junit.framework.TestCase;

import org.apache.harmony.security.tests.support.cert.MyCertPath;
import org.apache.harmony.testframework.serialization.SerializationTest;

import tests.support.resource.Support_Resources;

/**
 * Tests for <code>CertPath</code> serialization
 */
public class CertPathTest extends TestCase {

    //Certificate/CertPath type to be created during testing
    private static final String certType = "X.509";

    //Input file name used for <code>CertPath</code> instance generation
    private static final String certPathFileName = "java/security/cert/CertPath.PkiPath";

    //
    // Tests
    //

    /**
     * @tests serialization/deserialization.
     */
    public void testSerializationSelf() throws Exception {

        CertificateFactory cf = CertificateFactory.getInstance(certType);

        CertPath certPath = cf.generateCertPath(Support_Resources
                .getResourceStream(certPathFileName));

        SerializationTest.verifySelf(certPath);
    }

    /**
     * @tests serialization/deserialization compatibility with RI.
     */
    public void testSerializationCompatibility() throws Exception {

        CertificateFactory cf = CertificateFactory.getInstance(certType);

        CertPath certPath = cf.generateCertPath(Support_Resources
                .getResourceStream(certPathFileName));

        SerializationTest.verifyGolden(this, certPath);
    }

    /**
     * Test for <code>CertPath.CertPathRep.readResolve()</code> method<br>
     * <p/>
     * Assertion: ObjectStreamException if a <code>CertPath</code>
     * could not be constructed
     */
    public final void testCertPathRep_readResolve() throws Exception {

        // Create object to be serialized
        CertPath cp1 = new MyCertPath(new byte[] { (byte) 0, (byte) 1 });

        // try to serialize/deserialize cert
        try {
            SerializationTest.copySerializable(cp1);
            fail("No expected ObjectStreamException");
        } catch (ObjectStreamException e) {
        }
    }

    /**
     * Test for <code>writeReplace()</code> method<br>
     * ByteArray streams used.
     */
    public final void testWriteReplace() throws Exception {
        // Create object to be serialized
        // set encoded form to null
        CertPath cp1 = new MyCertPath(null);
        // Try to serialize cert
        // writeReplace() must fail with exception
        // (both OSE and NPE are possible)
        try {
            SerializationTest.copySerializable(cp1);
            fail("No exception");
        } catch (ObjectStreamException e) {
        } catch (NullPointerException e) {
        }
    }
}