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      1 /*
      2  *  Licensed to the Apache Software Foundation (ASF) under one or more
      3  *  contributor license agreements.  See the NOTICE file distributed with
      4  *  this work for additional information regarding copyright ownership.
      5  *  The ASF licenses this file to You under the Apache License, Version 2.0
      6  *  (the "License"); you may not use this file except in compliance with
      7  *  the License.  You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  */
     17 
     18 /**
     19 * @author Vera Y. Petrashkova
     20 */
     21 
     22 package org.apache.harmony.crypto.tests.javax.crypto;
     23 
     24 import java.security.InvalidKeyException;
     25 import java.security.NoSuchAlgorithmException;
     26 import java.security.Provider;
     27 
     28 import javax.crypto.KeyAgreement;
     29 import javax.crypto.KeyAgreementSpi;
     30 
     31 import org.apache.harmony.crypto.tests.support.MyKeyAgreementSpi;
     32 import org.apache.harmony.security.tests.support.SpiEngUtils;
     33 
     34 import junit.framework.TestCase;
     35 
     36 /**
     37  * Tests for KeyAgreement constructor and methods
     38  *
     39  */
     40 
     41 public class KeyAgreement_Impl1Test extends TestCase {
     42 
     43     public static final String srvKeyAgreement = "KeyAgreement";
     44 
     45     private static String defaultAlgorithm = "DH";
     46 
     47 
     48     private static Provider defaultProvider = null;
     49 
     50     private static boolean DEFSupported = false;
     51 
     52     private static final String NotSupportMsg = "There is no suitable provider for KeyAgreement";
     53 
     54 
     55     static {
     56         defaultProvider = SpiEngUtils.isSupport(defaultAlgorithm,
     57                 srvKeyAgreement);
     58         DEFSupported = (defaultProvider != null);
     59     }
     60 
     61     /**
     62      * Test for <code>KeyAgreement</code> constructor Assertion: returns
     63      * KeyAgreement object
     64      */
     65     public void testKeyAgreement() throws NoSuchAlgorithmException,
     66             InvalidKeyException, IllegalStateException {
     67         if (!DEFSupported) {
     68             fail(NotSupportMsg);
     69             return;
     70         }
     71         KeyAgreementSpi spi = new MyKeyAgreementSpi();
     72         KeyAgreement keyA = new myKeyAgreement(spi, defaultProvider,
     73                 defaultAlgorithm);
     74         assertEquals("Incorrect algorithm", keyA.getAlgorithm(),
     75                 defaultAlgorithm);
     76         assertEquals("Incorrect provider", keyA.getProvider(), defaultProvider);
     77         assertNull("Incorrect result", keyA.doPhase(null, true));
     78         assertEquals("Incorrect result", keyA.generateSecret().length, 0);
     79 
     80         keyA = new myKeyAgreement(null, null, null);
     81         assertNull("Algorithm must be null", keyA.getAlgorithm());
     82         assertNull("Provider must be null", keyA.getProvider());
     83         try {
     84             keyA.doPhase(null, true);
     85             fail("NullPointerException must be thrown");
     86         } catch (NullPointerException e) {
     87         }
     88     }
     89 }
     90 
     91 /**
     92  * Additional class for KeyAgreement constructor verification
     93  */
     94 
     95 class myKeyAgreement extends KeyAgreement {
     96 
     97     public myKeyAgreement(KeyAgreementSpi keyAgreeSpi, Provider provider,
     98             String algorithm) {
     99         super(keyAgreeSpi, provider, algorithm);
    100     }
    101 }
    102