More NPOIFSFileSystem and NPOIFSStream read unit tests, along with details of a few more tests still to be written

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1052186 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 29 insertions, 1 deletions

diff --git a/src/testcases/org/apache/poi/poifs/filesystem/TestNPOIFSFileSystem.java b/src/testcases/org/apache/poi/poifs/filesystem/TestNPOIFSFileSystem.java
index 62ce21a890..c511df3741 100644
--- a/src/testcases/org/apache/poi/poifs/filesystem/TestNPOIFSFileSystem.java
+++ b/src/testcases/org/apache/poi/poifs/filesystem/TestNPOIFSFileSystem.java
@@ -17,6 +17,8 @@
 
 package org.apache.poi.poifs.filesystem;
 
+import java.nio.ByteBuffer;
+
 import junit.framework.TestCase;
 
 import org.apache.poi.POIDataSamples;
@@ -116,6 +118,32 @@ public final class TestNPOIFSFileSystem extends TestCase {
     * Check we get the right data back for each block
     */
    public void testGetBlock() throws Exception {
-      // TODO
+      NPOIFSFileSystem fs = new NPOIFSFileSystem(_inst.getFile("BlockSize512.zvi"));
+      ByteBuffer b;
+      
+      // The 0th block is the first data block
+      b = fs.getBlockAt(0);
+      assertEquals((byte)0x9e, b.get());
+      assertEquals((byte)0x75, b.get());
+      assertEquals((byte)0x97, b.get());
+      assertEquals((byte)0xf6, b.get());
+      
+      // And the next block
+      b = fs.getBlockAt(1);
+      assertEquals((byte)0x86, b.get());
+      assertEquals((byte)0x09, b.get());
+      assertEquals((byte)0x22, b.get());
+      assertEquals((byte)0xfb, b.get());
+      
+      // Check the final block too
+      b = fs.getBlockAt(99);
+      assertEquals((byte)0x01, b.get());
+      assertEquals((byte)0x00, b.get());
+      assertEquals((byte)0x00, b.get());
+      assertEquals((byte)0x00, b.get());
+      assertEquals((byte)0x02, b.get());
+      assertEquals((byte)0x00, b.get());
+      assertEquals((byte)0x00, b.get());
+      assertEquals((byte)0x00, b.get());
    }
 }