- Test case for empty documents added.

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353611 13f79535-47bb-0310-9956-ffa450edef68

src/testcases/org/apache/poi/poifs/filesystem/TestEmptyDocument.java

@@ -0,0 +1,130 @@
+package org.apache.poi.poifs.filesystem;
+
+import java.io.IOException;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+
+import junit.framework.TestCase;
+
+import org.apache.poi.poifs.filesystem.POIFSFileSystem;
+import org.apache.poi.poifs.filesystem.POIFSWriterEvent;
+import org.apache.poi.poifs.filesystem.POIFSWriterListener;
+import org.apache.poi.poifs.filesystem.DirectoryEntry;
+
+public class TestEmptyDocument extends TestCase {
+
+  public static void main(String[] args) {
+    TestEmptyDocument driver = new TestEmptyDocument();
+
+    System.out.println();
+    System.out.println("As only file...");
+    System.out.println();
+
+    System.out.print("Trying using createDocument(String,InputStream): ");
+    try {
+      driver.testSingleEmptyDocument();
+      System.out.println("Worked!");
+    } catch (IOException exception) {
+      System.out.println("failed! ");
+      System.out.println(exception.toString());
+    }
+    System.out.println();
+
+    System.out.print
+      ("Trying using createDocument(String,int,POIFSWriterListener): ");
+    try {
+      driver.testSingleEmptyDocumentEvent();
+      System.out.println("Worked!");
+    } catch (IOException exception) {
+      System.out.println("failed!");
+      System.out.println(exception.toString());
+    }
+    System.out.println();
+
+    System.out.println();
+    System.out.println("After another file...");
+    System.out.println();
+
+    System.out.print("Trying using createDocument(String,InputStream): ");
+    try {
+      driver.testEmptyDocumentWithFriend();
+      System.out.println("Worked!");
+    } catch (IOException exception) {
+      System.out.println("failed! ");
+      System.out.println(exception.toString());
+    }
+    System.out.println();
+
+    System.out.print
+      ("Trying using createDocument(String,int,POIFSWriterListener): ");
+    try {
+      driver.testEmptyDocumentWithFriend();
+      System.out.println("Worked!");
+    } catch (IOException exception) {
+      System.out.println("failed!");
+      System.out.println(exception.toString());
+    }
+    System.out.println();
+  }
+
+  public void testSingleEmptyDocument() throws IOException {
+    POIFSFileSystem fs = new POIFSFileSystem();
+    DirectoryEntry dir = fs.getRoot();
+    dir = fs.getRoot();
+    dir.createDocument("Foo", new ByteArrayInputStream(new byte[] { }));
+    
+    ByteArrayOutputStream out = new ByteArrayOutputStream();
+    fs.writeFilesystem(out);
+    new POIFSFileSystem(new ByteArrayInputStream(out.toByteArray()));
+  }
+
+  public void testSingleEmptyDocumentEvent() throws IOException {
+    POIFSFileSystem fs = new POIFSFileSystem();
+    DirectoryEntry dir = fs.getRoot();
+    dir = fs.getRoot();
+    dir.createDocument("Foo", 0, new POIFSWriterListener() {
+      public void processPOIFSWriterEvent(POIFSWriterEvent event) {
+      	System.out.println("written");
+      }
+    });
+    
+    ByteArrayOutputStream out = new ByteArrayOutputStream();
+    fs.writeFilesystem(out);
+    new POIFSFileSystem(new ByteArrayInputStream(out.toByteArray()));
+  }
+
+  public void testEmptyDocumentWithFriend() throws IOException {
+    POIFSFileSystem fs = new POIFSFileSystem();
+    DirectoryEntry dir = fs.getRoot();
+    dir = fs.getRoot();
+    dir.createDocument("Bar", new ByteArrayInputStream(new byte[] { 0 }));
+    dir.createDocument("Foo", new ByteArrayInputStream(new byte[] { }));
+    
+    ByteArrayOutputStream out = new ByteArrayOutputStream();
+    fs.writeFilesystem(out);
+    new POIFSFileSystem(new ByteArrayInputStream(out.toByteArray()));
+  }
+
+  public void testEmptyDocumentEventWithFriend() throws IOException {
+    POIFSFileSystem fs = new POIFSFileSystem();
+    DirectoryEntry dir = fs.getRoot();
+    dir = fs.getRoot();
+    dir.createDocument("Bar", 1, new POIFSWriterListener() {
+      public void processPOIFSWriterEvent(POIFSWriterEvent event) {
+        try {
+          event.getStream().write(0);
+        } catch (IOException exception) {
+          throw new RuntimeException("exception on write: " + exception);
+        }
+      }
+    });
+    dir.createDocument("Foo", 0, new POIFSWriterListener() {
+      public void processPOIFSWriterEvent(POIFSWriterEvent event) {
+      }
+    });
+    
+    ByteArrayOutputStream out = new ByteArrayOutputStream();
+    fs.writeFilesystem(out);
+    new POIFSFileSystem(new ByteArrayInputStream(out.toByteArray()));
+  }
+}