--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/ClassLoader/GetPackage.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,68 @@
+/*
+ * Copyright 1999 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 4256589
+ * @summary Test if getPackage() and getPackages()
+ *          return consistent values.
+ */
+
+public class GetPackage {
+    public static void main(String arg[]) throws Exception {
+        TestClassLoader parent = new TestClassLoader();
+        TestClassLoader child = new TestClassLoader(parent);
+        // child define a package first
+        child.defineEmptyPackage("foo");
+        // parent then define another package with the same name
+        parent.defineEmptyPackage("foo");
+        if (!child.testPackageView("foo"))
+            throw new Exception("Inconsistent packages view");
+    }
+}
+
+class TestClassLoader extends ClassLoader {
+    public TestClassLoader() {
+        super();
+    }
+
+    public TestClassLoader(ClassLoader parent) {
+        super(parent);
+    }
+
+    public Package defineEmptyPackage(String name) {
+        return definePackage(name, null, null, null, null, null, null, null);
+    }
+
+    /* test to see if getPackage() and getPackages()
+     * are consistent.
+     */
+    public boolean testPackageView(String name) {
+        Package[] pkgs = getPackages();
+        Package pkg = getPackage(name);
+        for(int i = 0; i < pkgs.length; i++)
+            if (pkgs[i].getName().equals(name) && pkgs[i] == pkg)
+                return true;
+        return false;
+    }
+}