--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/security/tools/jarsigner/LargeJarEntry.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2006, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 6405538 6474350
+ * @summary Make sure jar files with large entries (more than max heap size)
+ *    can be signed
+ * @modules jdk.jartool/sun.security.tools.jarsigner
+ * @run main/othervm -Xmx16m LargeJarEntry
+ * @author Sean Mullan
+ */
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.util.jar.JarEntry;
+import java.util.jar.JarOutputStream;
+import java.util.zip.CRC32;
+
+public class LargeJarEntry {
+
+    public static void main(String[] args) throws Exception {
+
+        String srcDir = System.getProperty("test.src", ".");
+        String keystore = srcDir + "/JarSigning.keystore";
+        String jarName = "largeJarEntry.jar";
+
+        // Set java.io.tmpdir to the current working dir (see 6474350)
+        System.setProperty("java.io.tmpdir", System.getProperty("user.dir"));
+
+        // first, create jar file with 8M uncompressed entry
+        // note, we set the max heap size to 8M in @run tag above
+        byte[] bytes = new byte[1000000];
+        CRC32 crc = new CRC32();
+        for (int i=0; i<8; i++) {
+            crc.update(bytes);
+        }
+        JarEntry je = new JarEntry("large");
+        je.setSize(8000000l);
+        je.setMethod(JarEntry.STORED);
+        je.setCrc(crc.getValue());
+        File file = new File(jarName);
+        FileOutputStream os = new FileOutputStream(file);
+        JarOutputStream jos = new JarOutputStream(os);
+        jos.setMethod(JarEntry.STORED);
+        jos.putNextEntry(je);
+        for (int i=0; i<8; i++) {
+            jos.write(bytes, 0, bytes.length);
+        }
+        jos.close();
+
+        String[] jsArgs = { "-keystore", keystore, "-storepass", "bbbbbb",
+                jarName, "b" };
+        // now, try to sign it
+        try {
+            sun.security.tools.jarsigner.Main.main(jsArgs);
+        } catch (OutOfMemoryError err) {
+            throw new Exception("Test failed with OutOfMemoryError", err);
+        } finally {
+            // remove jar file
+            file.delete();
+        }
+    }
+}