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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 package org.apache.harmony.security.tests.java.security;
     19 
     20 import java.security.SecureRandomSpi;
     21 import junit.framework.TestCase;
     22 
     23 /**
     24  * Tests for <code>SecureRandomSpi</code> class constructors
     25  * and methods.
     26  */
     27 public class SecureRandomSpiTest extends TestCase {
     28 
     29     /**
     30      * Test for <code>SecureRandomSpi</code> constructor
     31      * Assertion: constructs SecureRandomSpi
     32      */
     33     public void testSecureRandomSpi() {
     34         try {
     35             MySecureRandomSpi srs = new MySecureRandomSpi();
     36             assertTrue(srs instanceof SecureRandomSpi);
     37         } catch (Exception e) {
     38             fail("Unexpected exception");
     39         }
     40 
     41         try {
     42             MySecureRandomSpi srs = new MySecureRandomSpi();
     43             srs.engineGenerateSeed(10);
     44             srs.engineNextBytes(new byte[10]);
     45             srs.engineSetSeed(new byte[3]);
     46         } catch (Exception e) {
     47             fail("Unexpected exception");
     48         }
     49     }
     50 
     51     public class MySecureRandomSpi extends SecureRandomSpi {
     52         protected void engineSetSeed(byte[] seed) {}
     53         protected void engineNextBytes(byte[] bytes) {}
     54         protected byte[] engineGenerateSeed(int numBytes) {
     55             return null;
     56         }
     57     }
     58 }
     59