--- /dev/null	2010-05-15 13:10:57.324837880 +0800
+++ new/test/sun/security/validator/CertReplace.java	2010-05-21 17:18:51.000000000 +0800
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2010 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 6948803
+ * @summary CertPath validation regression caused by SHA1 replacement root
+ *  and MD2 disable feature
+ */
+
+import java.io.FileInputStream;
+import java.security.KeyStore;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+import java.util.Arrays;
+import java.util.ArrayList;
+import java.util.List;
+import sun.security.validator.Validator;
+
+public class CertReplace {
+
+    // These two files are generated using JDK 7 keytool:
+    // certreplace.certs includes 3 certs (user, int, ca) as
+    // a cert chain for user, where ca's signature is MD2withRSA,
+    // certreplace.jks includes ca's new-refreshed cert which
+    // signature is SHA256withRSA.
+    private final static String cacerts =
+            System.getProperty("test.src", "./") + "/certreplace.jks";
+    private final static String certs =
+            System.getProperty("test.src", "./") + "/certreplace.certs";
+
+    public static void main(String[] args) throws Exception {
+
+        KeyStore ks = KeyStore.getInstance("JKS");
+        ks.load(new FileInputStream(cacerts), "changeit".toCharArray());
+        Validator v = Validator.getInstance
+            (Validator.TYPE_PKIX, Validator.VAR_GENERIC, ks);
+        X509Certificate[] chain = createPath();
+        System.out.println(Arrays.toString(v.validate(chain)));
+
+    }
+
+    public static X509Certificate[] createPath() throws Exception {
+        CertificateFactory cf = CertificateFactory.getInstance("X.509");
+        List list = new ArrayList();
+        for (Certificate c: cf.generateCertificates(
+                new FileInputStream(certs))) {
+            list.add((X509Certificate)c);
+        }
+        return (X509Certificate[]) list.toArray(new X509Certificate[0]);
+    }
+}