svn commit: r1083257 - /wicket/trunk/wicket-core/src/main/java/org/apache/wicket/util/tester/DiffUtil.java

[jdonnerstag]

Author: jdonnerstag
Date: Sat Mar 19 19:35:30 2011
New Revision: 1083257

URL: http://svn.apache.org/viewvc?rev=1083257&view=rev
Log:
avoid NPE; added Args.XX test

Modified:
    
wicket/trunk/wicket-core/src/main/java/org/apache/wicket/util/tester/DiffUtil.java

Modified: 
wicket/trunk/wicket-core/src/main/java/org/apache/wicket/util/tester/DiffUtil.java
URL: 
http://svn.apache.org/viewvc/wicket/trunk/wicket-core/src/main/java/org/apache/wicket/util/tester/DiffUtil.java?rev=1083257&r1=1083256&r2=1083257&view=diff
==============================================================================
--- 
wicket/trunk/wicket-core/src/main/java/org/apache/wicket/util/tester/DiffUtil.java
 (original)
+++ 
wicket/trunk/wicket-core/src/main/java/org/apache/wicket/util/tester/DiffUtil.java
 Sat Mar 19 19:35:30 2011
@@ -30,6 +30,7 @@ import org.apache.wicket.util.diff.Diff;
 import org.apache.wicket.util.diff.DifferentiationFailedException;
 import org.apache.wicket.util.diff.Revision;
 import org.apache.wicket.util.io.Streams;
+import org.apache.wicket.util.lang.Args;
 import org.apache.wicket.util.resource.ResourceStreamNotFoundException;
 import org.apache.wicket.util.string.StringList;
 import org.slf4j.Logger;
@@ -93,6 +94,8 @@ public final class DiffUtil
        public static final boolean validatePage(String document, final 
Class<?> clazz,
                final String file, boolean failWithAssert) throws IOException
        {
+               Args.notNull(document, "document");
+
                String filename = clazz.getPackage().getName();
                filename = filename.replace('.', '/');
                filename += "/" + file;