--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/visualizer/Data/test/unit/src/com/sun/hotspot/igv/data/ControllableChangedListenerTest.java	Tue Feb 07 22:41:09 2012 +0100
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.sun.hotspot.igv.data;
+
+import static org.junit.Assert.*;
+import org.junit.*;
+
+/**
+ *
+ * @author Thomas Wuerthinger
+ */
+public class ControllableChangedListenerTest {
+
+    public ControllableChangedListenerTest() {
+    }
+
+    @BeforeClass
+    public static void setUpClass() throws Exception {
+    }
+
+    @AfterClass
+    public static void tearDownClass() throws Exception {
+    }
+
+    @Before
+    public void setUp() {
+    }
+
+    @After
+    public void tearDown() {
+    }
+
+    /**
+     * Test of isEnabled method, of class ControllableChangedListener.
+     */
+    @Test
+    public void testBase() {
+
+        final boolean[] hasFired = new boolean[1];
+        final boolean[] shouldFire = new boolean[1];
+        final Integer[] valueToFire = new Integer[1];
+        ControllableChangedListener<Integer> l = new ControllableChangedListener<Integer>() {
+
+            @Override
+            public void filteredChanged(Integer value) {
+                assertTrue(shouldFire[0]);
+                assertEquals(valueToFire[0], value);
+                hasFired[0] = true;
+            }
+        };
+
+        shouldFire[0] = true;
+        valueToFire[0] = 1;
+        hasFired[0] = false;
+        l.changed(1);
+        assertTrue(hasFired[0]);
+
+        shouldFire[0] = false;
+        hasFired[0] = false;
+        l.setEnabled(false);
+        l.changed(1);
+        assertFalse(hasFired[0]);
+
+        shouldFire[0] = true;
+        valueToFire[0] = 1;
+        hasFired[0] = false;
+        l.setEnabled(true);
+        l.changed(1);
+        assertTrue(hasFired[0]);
+    }
+}
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