FYI: JFileChooser.changeToParentDirectory()

FYI: JFileChooser.changeToParentDirectory()

[David Gilbert]

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I committed a new test for this method:

2005-10-28  David Gilbert  <david.gilbert@object-refinery.com>

    * gnu/testlet/javax/swing/JFileChooser/changeToParentDirectory.java:
    New test.

Regards,

Dave

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Index: gnu/testlet/javax/swing/JFileChooser/changeToParentDirectory.java
===================================================================
RCS file: gnu/testlet/javax/swing/JFileChooser/changeToParentDirectory.java
diff -N gnu/testlet/javax/swing/JFileChooser/changeToParentDirectory.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/javax/swing/JFileChooser/changeToParentDirectory.java	28 Oct 2005 14:33:33 -0000
@@ -0,0 +1,70 @@
+// Tags: JDK1.2
+
+// Copyright (C) 2005 David Gilbert <david.gilbert@object-refinery.com>
+
+// 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.JFileChooser;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.io.File;
+import java.util.List;
+
+import javax.swing.JFileChooser;
+import javax.swing.filechooser.FileSystemView;
+
+/**
+ * Some checks for the changeToParentDirectory() method of the 
+ * {@link JFileChooser} class.
+ */
+public class changeToParentDirectory 
+  implements Testlet, PropertyChangeListener 
+{
+
+  List events = new java.util.ArrayList();;
+  
+  public void propertyChange(PropertyChangeEvent e) 
+  {
+    events.add(e);
+  }
+
+  /**
+   * Runs the test using the specified harness.
+   * 
+   * @param harness  the test harness (<code>null</code> not permitted).
+   */
+  public void test(TestHarness harness)       
+  {
+    // this test shows an unusual behaviour of this method - if the current
+    // directory is a root directory, changing to the parent directory
+    // makes the current directory the user's home directory...
+    JFileChooser fc = new JFileChooser();
+    FileSystemView fsv = fc.getFileSystemView();
+    File[] roots = fsv.getRoots();
+    File root = roots[0];
+    fc.setCurrentDirectory(root);
+    fc.addPropertyChangeListener(this);
+    fc.changeToParentDirectory();
+    harness.check(fc.getCurrentDirectory(), 
+            new File(System.getProperty("user.home")));
+    harness.check(events.size(), 1);
+  }
+
+}