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+// addPropertyChangeListener.java --
+
+// Copyright (C) 2011 Pavel Tisnovsky <ptisnovs@redhat.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: GUI
+// Uses: ../LocationTests
+
+package gnu.testlet.java.awt.Canvas;
+
+import java.awt.Color;
+import java.awt.Canvas;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+/**
+ * Check if {@link PropertyChangeListener} could be registered for an AWT {@link Canvas}.
+ */
+public class addPropertyChangeListenerString
+implements Testlet
+{
+ private static final String PROPERTY_CHANGE_LISTENER_NAME = "myProperlyChangeListener";
+
+ /**
+ * Runs the test using the specified harness.
+ *
+ * @param harness the test harness (<code>null</code> not permitted).
+ */
+ public void test(TestHarness harness)
+ {
+ Canvas canvas = new Canvas();
+ canvas.setBackground(Color.blue);
+
+ // array which will be filled by registered listeners
+ PropertyChangeListener[] properlyChangeListeners;
+
+ // get all registered listeners
+ properlyChangeListeners = canvas.getPropertyChangeListeners();
+ harness.check(properlyChangeListeners.length, 0);
+
+ // register new listener
+ canvas.addPropertyChangeListener("font", new PropertyChangeListener() {
+ public void propertyChange(PropertyChangeEvent evt) {
+ // empty block
+ }
+
+ @Override
+ public String toString() {
+ return PROPERTY_CHANGE_LISTENER_NAME;
+ }
+ });
+
+ // get all registered listeners
+ properlyChangeListeners = canvas.getPropertyChangeListeners("font");
+ harness.check(properlyChangeListeners.length, 1);
+
+ // check if the proper listener is used
+ harness.check(properlyChangeListeners[0].toString(), PROPERTY_CHANGE_LISTENER_NAME);
+ }
+
+}