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diff --git a/gnu/testlet/java/awt/image/ByteLookupTable/constructors.java b/gnu/testlet/java/awt/image/ByteLookupTable/constructors.java
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+++ b/gnu/testlet/java/awt/image/ByteLookupTable/constructors.java
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+/* constructors.java -- some checks for the constructors in the ByteLookupTable
+       class.
+   Copyright (C) 2006 David Gilbert <david.gilbert@object-refinery.com>
+This file is part of Mauve.
+
+Mauve is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+Mauve is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Mauve; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+*/
+
+// Tags: JDK1.4
+
+package gnu.testlet.java.awt.image.ByteLookupTable;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+import java.awt.image.ByteLookupTable;
+
+public class constructors implements Testlet
+{
+  public void test(TestHarness harness)
+  {
+    testConstructor1(harness);
+    testConstructor2(harness);
+  }
+  
+  public void testConstructor1(TestHarness harness)
+  {
+    harness.checkPoint("(int, byte[])");
+    byte[] bytes = new byte[] {(byte) 0xAA, (byte) 0xBB};
+    ByteLookupTable t = new ByteLookupTable(7, bytes);
+    harness.check(t.getOffset(), 7);
+    harness.check(t.getNumComponents(), 1);
+    byte[][] table = t.getTable();
+    harness.check(table.length, 1);
+    harness.check(table[0] == bytes);
+    
+    // try negative offset
+    boolean pass = false;
+    try
+    {
+      t = new ByteLookupTable(-1, bytes);
+    }
+    catch (IllegalArgumentException e)
+    {
+      pass = true;
+    }
+    harness.check(pass);
+    
+    // try null data
+    pass = false;
+    try
+    {
+      t = new ByteLookupTable(0, (byte[]) null);
+    }
+    catch (NullPointerException e)
+    {
+      pass = true;
+    }
+    harness.check(pass);
+  }
+  
+  public void testConstructor2(TestHarness harness)
+  {
+    harness.checkPoint("(int, byte[][])");
+    byte[] bytesA = new byte[] {(byte) 0xAA, (byte) 0xBB, (byte) 0xCC};
+    byte[] bytesB = new byte[] {(byte) 0xDD, (byte) 0xEE, (byte) 0xFF};
+    byte[][] bytes = new byte[][] { bytesA, bytesB };
+    ByteLookupTable t = new ByteLookupTable(3, bytes);
+    harness.check(t.getOffset(), 3);
+    harness.check(t.getNumComponents(), 2);
+    byte[][] table = t.getTable();
+    harness.check(table.length, 2);
+    harness.check(table[0] == bytesA);
+    harness.check(table[1] == bytesB);
+    harness.check(table != bytes);
+    
+    // try negative offset
+    boolean pass = false;
+    try
+    {
+      t = new ByteLookupTable(-1, bytes);
+    }
+    catch (IllegalArgumentException e)
+    {
+      pass = true;
+    }
+    harness.check(pass);
+    
+    // try null data
+    pass = false;
+    try
+    {
+      t = new ByteLookupTable(0, (byte[][]) null);
+    }
+    catch (NullPointerException e)
+    {
+      pass = true;
+    }
+    harness.check(pass);
+  }
+}