1.1 --- a/samples/messagedigest/src/api/Digest.java	Sat Jun 14 09:52:22 2008 +0200
     1.2 +++ b/samples/messagedigest/src/api/Digest.java	Sat Jun 14 09:52:22 2008 +0200
     1.3 @@ -12,7 +12,7 @@
     1.4   */
     1.5  public final class Digest {
     1.6      private final DigestImplementation impl;
     1.7 -
     1.8 +    
     1.9      /** Factory method is better than constructor */
    1.10      private Digest(DigestImplementation impl) {
    1.11          this.impl = impl;

     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/samples/messagedigest/test/api/NewAPIToOldAPITest.java	Sat Jun 14 09:52:22 2008 +0200
     2.3 @@ -0,0 +1,64 @@
     2.4 +/*
     2.5 + * To change this template, choose Tools | Templates
     2.6 + * and open the template in the editor.
     2.7 + */
     2.8 +
     2.9 +package api;
    2.10 +
    2.11 +import java.nio.ByteBuffer;
    2.12 +import java.security.MessageDigest;
    2.13 +import java.util.Arrays;
    2.14 +import java.util.Random;
    2.15 +import org.junit.After;
    2.16 +import org.junit.BeforeClass;
    2.17 +import org.junit.Test;
    2.18 +import static org.junit.Assert.*;
    2.19 +
    2.20 +/** Compares that the MessageDigest and Digest yield the same results for
    2.21 + * default provider.
    2.22 + *
    2.23 + * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
    2.24 + */
    2.25 +public class NewAPIToOldAPITest {
    2.26 +    private static byte[] arr;
    2.27 +    private static long time;
    2.28 +    private static byte[] resOld;
    2.29 +    private static byte[] resNew;
    2.30 +
    2.31 +    public NewAPIToOldAPITest() {
    2.32 +    }
    2.33 +
    2.34 +    @BeforeClass
    2.35 +    public static void setUp() {
    2.36 +        time = System.currentTimeMillis();
    2.37 +        Random r = new Random(time);
    2.38 +        arr = new byte[r.nextInt(1024)];
    2.39 +        r.nextBytes(arr);
    2.40 +    }
    2.41 +
    2.42 +    @After
    2.43 +    public void tearDown() {
    2.44 +    }
    2.45 +
    2.46 +    @Test
    2.47 +    public void generateHashUsingMessageDigest() throws Exception {
    2.48 +        MessageDigest md = MessageDigest.getInstance("MD5");
    2.49 +        byte[] res = md.digest(arr);
    2.50 +        resOld = res;
    2.51 +    }
    2.52 +
    2.53 +    @Test
    2.54 +    public void generateHashUsingNewDigest() throws Exception {
    2.55 +        Digest d = Digest.getInstance("MD5");
    2.56 +        ByteBuffer bb = ByteBuffer.wrap(arr);
    2.57 +        byte[] res = d.digest(bb);
    2.58 +        resNew = res;
    2.59 +    }
    2.60 +    
    2.61 +    @Test
    2.62 +    public void compareTheHashes() throws Exception {
    2.63 +        if (!Arrays.equals(resOld, resNew)) {
    2.64 +            fail("Arrays are different:\n" + Arrays.toString(resOld) + "\n" + Arrays.toString(resNew));
    2.65 +        }
    2.66 +    }
    2.67 +}
    2.68 \ No newline at end of file

     3.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     3.2 +++ b/samples/messagedigest/test/api/OldAPIToNewAPITest.java	Sat Jun 14 09:52:22 2008 +0200
     3.3 @@ -0,0 +1,77 @@
     3.4 +/*
     3.5 + * To change this template, choose Tools | Templates
     3.6 + * and open the template in the editor.
     3.7 + */
     3.8 +
     3.9 +package api;
    3.10 +
    3.11 +import impl.independent.module.BridgeToOld;
    3.12 +import java.nio.ByteBuffer;
    3.13 +import java.security.MessageDigest;
    3.14 +import java.util.Arrays;
    3.15 +import java.util.Random;
    3.16 +import org.junit.After;
    3.17 +import org.junit.BeforeClass;
    3.18 +import org.junit.Test;
    3.19 +import static org.junit.Assert.*;
    3.20 +
    3.21 +/** Compares that the MessageDigest and Digest yield the same results for
    3.22 + * default provider.
    3.23 + *
    3.24 + * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
    3.25 + */
    3.26 +public class OldAPIToNewAPITest {
    3.27 +    private static byte[] arr;
    3.28 +    private static long time;
    3.29 +    private static byte[] resOld;
    3.30 +    private static byte[] resNew;
    3.31 +
    3.32 +    public OldAPIToNewAPITest() {
    3.33 +    }
    3.34 +
    3.35 +    @BeforeClass
    3.36 +    public static void setUp() {
    3.37 +        time = System.currentTimeMillis();
    3.38 +        Random r = new Random(time);
    3.39 +        arr = new byte[r.nextInt(1024)];
    3.40 +        r.nextBytes(arr);
    3.41 +    }
    3.42 +
    3.43 +    @After
    3.44 +    public void tearDown() {
    3.45 +    }
    3.46 +
    3.47 +    @Test
    3.48 +    public void generateHashUsingMessageDigest() throws Exception {
    3.49 +        // The java.security.Providers cannot be registered in META-INF/services
    3.50 +        // that is why one needs to either configure various properties or
    3.51 +        // make some dummy call that will initialize our bridge class.
    3.52 +        // Then the bridge class registers itself as a MessageDigest provider
    3.53 +        // in its constructor.
    3.54 +        //
    3.55 +        // This is the call:
    3.56 +        Digest initialize = Digest.getInstance("MD5");
    3.57 +        
    3.58 +        MessageDigest md = MessageDigest.getInstance("cnt");
    3.59 +        byte[] res = md.digest(arr);
    3.60 +        resOld = res;
    3.61 +    }
    3.62 +    
    3.63 +    
    3.64 +    @Test
    3.65 +    public void generateHashUsingNewDigest() throws Exception {
    3.66 +        Digest d = Digest.getInstance("cnt");
    3.67 +        ByteBuffer bb = ByteBuffer.wrap(arr);
    3.68 +        byte[] res = d.digest(bb);
    3.69 +        resNew = res;
    3.70 +    }
    3.71 +
    3.72 +
    3.73 +    
    3.74 +    @Test
    3.75 +    public void compareTheHashes() throws Exception {
    3.76 +        if (!Arrays.equals(resOld, resNew)) {
    3.77 +            fail("Arrays are different:\n" + Arrays.toString(resOld) + "\n" + Arrays.toString(resNew));
    3.78 +        }
    3.79 +    }
    3.80 +}
    3.81 \ No newline at end of file