svn commit: r1307869 - /commons/proper/jcs/branches/generics-interface/src/test/org/apache/jcs/auxiliary/disk/block/BlockDiskUnitTest.java

[tv]

Author: tv
Date: Sat Mar 31 18:43:16 2012
New Revision: 1307869

URL: http://svn.apache.org/viewvc?rev=1307869&view=rev
Log:
Confirm fix of JCS-88

Modified:
    
commons/proper/jcs/branches/generics-interface/src/test/org/apache/jcs/auxiliary/disk/block/BlockDiskUnitTest.java

Modified: 
commons/proper/jcs/branches/generics-interface/src/test/org/apache/jcs/auxiliary/disk/block/BlockDiskUnitTest.java
URL: 
http://svn.apache.org/viewvc/commons/proper/jcs/branches/generics-interface/src/test/org/apache/jcs/auxiliary/disk/block/BlockDiskUnitTest.java?rev=1307869&r1=1307868&r2=1307869&view=diff
==============================================================================
--- 
commons/proper/jcs/branches/generics-interface/src/test/org/apache/jcs/auxiliary/disk/block/BlockDiskUnitTest.java
 (original)
+++ 
commons/proper/jcs/branches/generics-interface/src/test/org/apache/jcs/auxiliary/disk/block/BlockDiskUnitTest.java
 Sat Mar 31 18:43:16 2012
@@ -20,6 +20,7 @@ package org.apache.jcs.auxiliary.disk.bl
  */
 
 import java.io.File;
+import java.util.Random;
 
 import junit.framework.TestCase;
 
@@ -271,14 +272,22 @@ public class BlockDiskUnitTest
         int bytes = getBytesForBlocksOfByteArrays( disk.getBlockSizeBytes(), 
numBlocksPerElement );
 
         int numElements = 100;
+        Random r = new Random(System.currentTimeMillis());
+        final byte[] src = new byte[bytes];
         for ( int i = 0; i < numElements; i++ )
         {
-            int[] blocks = disk.write( new byte[bytes] );
+            r.nextBytes(src);  // Ensure we don't just write zeros out
+            int[] blocks = disk.write( src );
             byte[] result = (byte[]) disk.read( blocks );
 
             // VERIFY
-            assertEquals( "Wrong item retured.", new byte[bytes].length, 
result.length );
+            assertEquals( "Wrong item length retured.", src.length, 
result.length );
             assertEquals( "Wrong number of blocks returned.", 
numBlocksPerElement, blocks.length );
+
+            // We check the array contents, too, to ensure we read back what 
we wrote out
+            for (int j = 0 ; j < src.length ; j++) {
+                assertEquals( "Mismatch at offset " + j + " in attempt # " + 
(i + 1), src[j], result[j] );
+            }
         }
         System.out.println( "testWriteAndReadMultipleMultiBlockElement_setSize 
" + disk );
         assertEquals( "Wrong number of elements.", numBlocksPerElement * 
numElements, disk.getNumberOfBlocks() );