--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/security/cert/CertificateFactory/GenerateCertificatesEmptyCollection.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2000 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 4371801
+ * @summary check that generateCertificates() returns an empty
+ *      Collection when the input stream contains an encoded
+ *      PKCS #7 SignedData object with no certificates.
+ */
+
+import java.io.ByteArrayInputStream;
+import java.security.cert.CertificateFactory;
+import java.util.Collection;
+
+public class GenerateCertificatesEmptyCollection {
+
+    public static void main(String[] args) throws Exception {
+        /*
+         * create an empty SignedData content type in ASN.1
+         * as defined in PKCS#7
+         */
+        byte[] b = { 0x30, 0x23,
+                     /* contentInfo ::= signedData */
+                     0x06, 0x09, 0x2A, (byte)0x86, 0x48,
+                     (byte)0x86, (byte)0xF7, 0x0D,
+                     0x01, 0x07, 0x02,
+                     0x00, 0x16,
+                     0x30, 0x14,                /* SignedData */
+                     0x02, 0x01, 0x01,          /* version */
+                     0x31, 0x00,                /* digestAlgorithms */
+                     0x30, 0x0B,                /* contentInfo ::= data */
+                     0x06, 0x09, 0x2A, (byte)0x86, 0x48,
+                     (byte)0x86, (byte)0xF7, 0x0D,
+                     0x01, 0x07, 0x01,
+                     /* certificates are absent */
+                     0x31, 0x00                 /* signerInfos */
+                   };
+
+        CertificateFactory cf = CertificateFactory.getInstance( "X509", "SUN");
+        Collection c = cf.generateCertificates( new ByteArrayInputStream(b));
+        if (!c.isEmpty())
+            throw new Exception("CertificateFactory.generateCertificates() "
+                + "did not return an empty Collection");
+    }
+}