security/src/test/api/java/org/apache/harmony/security/tests/java/security/cert/X509CRLTest.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 Alexander Y. Kleymenov
 */

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

import java.math.BigInteger;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Principal;
import java.security.PublicKey;
import java.security.SignatureException;
import java.security.cert.CRLException;
import java.security.cert.Certificate;
import java.security.cert.X509CRL;
import java.security.cert.X509CRLEntry;
import java.security.cert.X509Certificate;
import java.util.Date;
import java.util.Set;

import javax.security.auth.x500.X500Principal;

import org.apache.harmony.security.tests.support.cert.TestUtils;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 */

public class X509CRLTest extends TestCase {

    private X509CRL tbt_crl;

    /**
     * The stub class used for testing of non abstract methods.
     */
    private class TBTCRL extends X509CRL {
        public String toString() {
            return null;
        }

        public boolean isRevoked(Certificate cert) {
            return true;
        }

        public Set getNonCriticalExtensionOIDs() {
            return null;
        }

        public Set getCriticalExtensionOIDs() {
            return null;
        }

        public byte[] getExtensionValue(String oid) {
            return null;
        }

        public boolean hasUnsupportedCriticalExtension() {
            return false;
        }

        public byte[] getEncoded() {
            return null;
        }

        public void verify(PublicKey key)
                throws CRLException, NoSuchAlgorithmException,
                InvalidKeyException, NoSuchProviderException,
                SignatureException {
        }

        public void verify(PublicKey key, String sigProvider)
                throws CRLException, NoSuchAlgorithmException,
                InvalidKeyException, NoSuchProviderException,
                SignatureException {
        }

        public int getVersion() {
            return 2;
        }

        public Principal getIssuerDN() {
            return null;
        }

        public Date getThisUpdate() {
            return null;
        }

        public Date getNextUpdate() {
            return null;
        }

        public X509CRLEntry getRevokedCertificate(BigInteger serialNumber) {
            return null;
        }

        public Set getRevokedCertificates() {
            return null;
        }

        public byte[] getTBSCertList() {
            return null;
        }

        public byte[] getSignature() {
            return null;
        }

        public String getSigAlgName() {
            return null;
        }

        public String getSigAlgOID() {
            return null;
        }

        public byte[] getSigAlgParams() {
            return null;
        }
    }


    public X509CRLTest() {
        tbt_crl = new TBTCRL() {
            public byte[] getEncoded() {
                return new byte[] { 1, 2, 3 };
            }
        };
    }

    /**
     * getType() method testing. Tests that getType() method returns
     * the value "X.509"
     */
    public void testGetType() {
        assertEquals("The type of X509CRL should be X.509",
                tbt_crl.getType(), "X.509");
    }

    /**
     * equals(Object other) method testing. Tests the correctness of equal
     * operation: it should be reflexive, symmetric, transitive, consistent
     * and should be false on null object.
     */
    public void testEquals() {
        TBTCRL tbt_crl_1 = new TBTCRL() {
            public byte[] getEncoded() {
                return new byte[] { 1, 2, 3 };
            }
        };

        TBTCRL tbt_crl_2 = new TBTCRL() {
            public byte[] getEncoded() {
                return new byte[] { 1, 2, 3 };
            }
        };

        TBTCRL tbt_crl_3 = new TBTCRL() {
            public byte[] getEncoded() {
                return new byte[] { 3, 2, 1 };
            }
        };

        // checking for reflexive law:
        assertTrue("The equivalence relation should be reflexive.",
                tbt_crl.equals(tbt_crl));

        assertEquals("The CRLs with equal encoded form should be equal",
                tbt_crl, tbt_crl_1);
        // checking for symmetric law:
        assertTrue("The equivalence relation should be symmetric.",
                tbt_crl_1.equals(tbt_crl));

        assertEquals("The CRLs with equal encoded form should be equal",
                tbt_crl_1, tbt_crl_2);
        // checking for transitive law:
        assertTrue("The equivalence relation should be transitive.",
                tbt_crl.equals(tbt_crl_2));

        assertFalse("Should not be equal to null object.",
                tbt_crl.equals(null));

        assertFalse("The CRLs with differing encoded form should not be equal",
                tbt_crl.equals(tbt_crl_3));
        assertFalse("The CRL should not be equals to the object which is not "
                + "an instance of X509CRL", tbt_crl.equals(new Object()));
    }

    /**
     * hashCode() method testing. Tests that for equal objects hash codes
     * are equal.
     */
    public void testHashCode() {
        TBTCRL tbt_crl_1 = new TBTCRL() {
            public byte[] getEncoded() {
                return new byte[] { 1, 2, 3 };
            }
        };
        assertTrue("Equal objects should have the same hash codes.",
                tbt_crl.hashCode() == tbt_crl_1.hashCode());
    }

    /**
     * @tests java.security.cert.X509CRL#getIssuerX500Principal()
     */
    public void testGetIssuerX500Principal() {
        // return valid encoding
        TBTCRL crl = new TBTCRL() {
            public byte[] getEncoded() {
                return TestUtils.getX509CRL_v1();
            }

            ;
        };

        assertEquals(new X500Principal("CN=Z"), crl.getIssuerX500Principal());
    }

    /**
     * getRevokedCertificate(X509Certificate certificate) method testing.
     * Check if the default implementation throws NullPointerException
     * on null input data.
     */
    public void testGetRevokedCertificate() {
        try {
            tbt_crl.getRevokedCertificate((X509Certificate) null);
            fail("NullPointerException should be thrown "
                    + "in the case of null input data.");
        } catch (NullPointerException e) {
        }
    }

    public static Test suite() {
        return new TestSuite(X509CRLTest.class);
    }

}