--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/util/jar/JarFile/ScanSignedJar.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2003 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 4953126
+ * @summary Check that a signed JAR file containing an unsupported signer info
+ *          attribute can be parsed successfully.
+ */
+
+import java.io.File;
+import java.io.InputStream;
+import java.security.cert.Certificate;
+import java.util.Enumeration;
+import java.util.jar.*;
+
+public class ScanSignedJar {
+
+    public static void main(String[] args) throws Exception {
+        JarFile file = new JarFile(new File(System.getProperty("test.src","."),
+            "bogus-signerinfo-attr.jar"));
+        byte[] buffer = new byte[8192];
+        boolean isSigned = false;
+
+        for (Enumeration entries = file.entries(); entries.hasMoreElements();) {
+            JarEntry entry = (JarEntry) entries.nextElement();
+            InputStream jis = file.getInputStream(entry);
+            while (jis.read(buffer, 0, buffer.length) != -1) {
+                // read the jar entry
+            }
+            jis.close();
+            if (entry.getCertificates() != null) {
+                isSigned = true;
+            }
+            System.out.println((isSigned ? "[signed] " : "\t ") +
+                entry.getName());
+        }
+        file.close();
+
+        if (isSigned) {
+            System.out.println("\nJAR file has signed entries");
+        } else {
+            throw new Exception("Failed to detect that the JAR file is signed");
+        }
+    }
+}