/*
 *  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 org.apache.harmony.security.tests.java.security;

import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidParameterException;
import java.security.KeyPair;
import java.security.KeyPairGeneratorSpi;
import java.security.SecureRandom;
import java.security.spec.AlgorithmParameterSpec;

import org.apache.harmony.security.tests.support.MyKeyPairGeneratorSpi;

import junit.framework.TestCase;

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

    /**
     * Test for <code>KeyPairGeneratorSpi</code> constructor
     * Assertion: constructs KeyPairGeneratorSpi
     */
    public void testKeyPairGeneratorSpi01()
            throws InvalidAlgorithmParameterException,
            InvalidParameterException {
        KeyPairGeneratorSpi keyPairGen = new MyKeyPairGeneratorSpi();

        AlgorithmParameterSpec pp = null;
        try {
            keyPairGen.initialize(pp, null);
            fail("UnsupportedOperationException must be thrown");
        } catch (UnsupportedOperationException e) {
        }

        keyPairGen.initialize(pp, new SecureRandom());
        keyPairGen.initialize(1024, new SecureRandom());
        try {
            keyPairGen.initialize(-1024, new SecureRandom());
            fail("IllegalArgumentException must be thrown for incorrect keysize");
        } catch (IllegalArgumentException e) {
        }
        try {
            keyPairGen.initialize(1024, null);
            fail("IllegalArgumentException must be thrown");
        } catch (IllegalArgumentException e) {
            assertEquals("Incorrect exception", e.getMessage(),
                    "Invalid random");
        }
        KeyPair kp = keyPairGen.generateKeyPair();
        assertNull("Not null KeyPair", kp);
    }

    class MyAlgorithmParameterSpec implements AlgorithmParameterSpec {}

}