/*
 * 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 Vera Y. Petrashkova
* @version $Revision$
*/

package tests.security.cert;

import java.security.cert.CertPathChecker;
import java.security.cert.Certificate;
import junit.framework.TestCase;

import java.security.InvalidAlgorithmParameterException;
import java.security.cert.CertPathBuilderException;
import java.security.cert.CertPathBuilderResult;
import java.security.cert.CertPathBuilderSpi;
import java.security.cert.CertPathParameters;

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

/**
 * Tests for <code>CertPathBuilderSpi</code> class constructors and methods.
 *
 */
public class CertPathBuilderSpiTest extends TestCase {

    /**
     * Test for <code>CertPathBuilderSpi</code> constructor Assertion:
     * constructs CertPathBuilderSpi
     */
    public void testCertPathBuilderSpi01() throws CertPathBuilderException,
            InvalidAlgorithmParameterException {
        CertPathBuilderSpi certPathBuilder = new MyCertPathBuilderSpi();
        CertPathParameters cpp = null;
        try {
            certPathBuilder.engineBuild(cpp);
            fail("CertPathBuilderException must be thrown");
        } catch (CertPathBuilderException e) {
            // Expected
        }
        CertPathBuilderResult cpbResult = certPathBuilder.engineBuild(cpp);
        assertNull("Not null CertPathBuilderResult", cpbResult);
    }

    public void testEngineGetRevocationChecker_Unsupported() {
        // MyCertPathBuilderSpi doesn't implement engineGetRevocationChecker()
        CertPathBuilderSpi certPathBuilder = new MyCertPathBuilderSpi();
        try {
            certPathBuilder.engineGetRevocationChecker();
            fail();
        } catch (UnsupportedOperationException e) {
            // Expected
        }
    }

    public void testEngineGetRevocationChecker_Supported() {
        CertPathBuilderSpi certPathBuilder = new PathBuilderSpi();
        assertEquals(PathChecker.class, certPathBuilder.engineGetRevocationChecker().getClass());
    }

    // Stub CertPathBuilderSpi which has a revocation checker.
    private static class PathBuilderSpi extends CertPathBuilderSpi {
        @Override
        public CertPathBuilderResult engineBuild(CertPathParameters params) {
            throw new AssertionError("Stub");
        }

        @Override
        public CertPathChecker engineGetRevocationChecker() {
            return new PathChecker();
        }
    }

    private static class PathChecker implements CertPathChecker {
        @Override
        public void init(boolean forward) {
            throw new AssertionError("Stub");
        }

        @Override
        public boolean isForwardCheckingSupported() {
            throw new AssertionError("Stub");
        }

        @Override
        public void check(Certificate cert) {
            throw new AssertionError("Stub");
        }
    }
}