FYI: New test for AttributeSet

[Anthony Balkissoon <abalkiss at redhat dot com>]

This tests the isEqual method in 2 AttributeSet implementations to see
how they handle null arguments.

2005-12-20  Anthony Balkissoon  <abalkiss@redhat.com>

	* gnu/testlet/javax/swing/text/AttributeSet: New directory.
	* gnu/testlet/javax/swing/text/AttributeSet/isEqual.java: New test.

--Tony

Index: gnu/testlet/javax/swing/text/AttributeSet/isEqual.java
===================================================================
RCS file: gnu/testlet/javax/swing/text/AttributeSet/isEqual.java
diff -N gnu/testlet/javax/swing/text/AttributeSet/isEqual.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/javax/swing/text/AttributeSet/isEqual.java	21 Dec 2005 20:14:35 -0000
@@ -0,0 +1,69 @@
+// Tags: JDK1.2
+
+// Copyright (C) 2005 Red Hat.
+
+// 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.
+
+package gnu.testlet.javax.swing.text.AttributeSet;
+
+import javax.swing.text.AttributeSet;
+import javax.swing.text.SimpleAttributeSet;
+import javax.swing.text.StyleContext;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+public class isEqual extends StyleContext implements Testlet
+{
+  /**
+   * Starts the test run.
+   *
+   * @param harness the test harness to use
+   */
+  public void test(TestHarness harness)
+  {
+    boolean caught = false;
+    SimpleAttributeSet set1 = new SimpleAttributeSet();
+    StyleContext.SmallAttributeSet set2 = createSmallAttributeSet(set1);
+
+    try
+      {
+        set1.isEqual(null);
+      }
+    catch (NullPointerException npe)
+      {
+        caught = true;
+      }
+
+    harness.check(caught);
+    caught = false;
+
+    try
+      {
+        set2.isEqual(null);
+      }
+    catch (NullPointerException npe)
+      {
+        caught = true;
+      }
+    harness.check (caught);
+
+    harness.check (set2.isEqual(set1));  
+    harness.check (set1.isEqual(set2));
+  }
+}