Made joinEscaped() handle null array elements by converting them to the

empty string.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@550 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/tests/src/java/com/samskivert/util/StringUtilTest.java

@@ -1,5 +1,5 @@
 //
-// $Id: StringUtilTest.java,v 1.1 2002/01/30 18:11:27 mdb Exp $
+// $Id: StringUtilTest.java,v 1.2 2002/01/30 18:21:15 mdb Exp $
 //
 // samskivert library - useful routines for java programs
 // Copyright (C) 2001 Michael Bayne
@@ -43,6 +43,11 @@ public class StringUtilTest extends TestCase
         // now join them back together
         String joined = StringUtil.joinEscaped(tokens);
         assert("joined.equals(source)", joined.equals(source));
+
+        // make sure null to empty string works
+        tokens = new String[] { "this", null, "is", null, "a", null, "test" };
+        joined = StringUtil.joinEscaped(tokens);
+        assert("null elements work", joined.equals("this, , is, , a, , test"));
     }
 
     public static Test suite ()