--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/security/cert/X509Certificate/ExtKeyUsage.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2001 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 4427888
+ * @summary Incorrect key usage check for server certificates
+ */
+import java.io.*;
+import java.security.cert.*;
+import java.util.Collection;
+import java.util.List;
+
+public class ExtKeyUsage {
+
+    public static void main(String[] args) throws Exception {
+        File f = new File(System.getProperty("test.src", "."),
+            "certextkeyusage");
+        CertificateFactory cf = CertificateFactory.getInstance("X.509");
+        X509Certificate cert = (X509Certificate)
+            cf.generateCertificate(new FileInputStream(f));
+        List extKeyUsage = cert.getExtendedKeyUsage();
+        if (extKeyUsage.size() != 1)
+            throw new Exception("getExtendedKeyUsage()) returned an " +
+                "unexpected number of entries: "+extKeyUsage.size());
+
+        // Test immutability
+        try {
+            extKeyUsage.clear();
+            throw new Exception("List returned by " +
+                "getExtendedKeyUsage() is not immutable");
+        } catch (UnsupportedOperationException e) {}
+
+        if (!extKeyUsage.contains("1.3.6.1.5.5.7.3.1")) {
+            throw new Exception("List returned by "+
+                "getExtendedKeyUsage() doesn't contain expected entry");
+        }
+    }
+}