Add test

test/jdk/javax/crypto/Cipher/Export.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2024, 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 8325513
+ * @summary Try out the export method
+ * @key randomness
+ */
+
+import java.util.*;
+import java.nio.*;
+
+import java.security.*;
+
+import javax.crypto.*;
+import javax.crypto.spec.*;
+
+public class Export {
+    public static void main(String[] args) throws Exception {
+        SecretKey sk = new SecretKeySpec(new byte[32], "X");
+        Cipher c1 = Cipher.getInstance("X", new ProviderImpl());
+        c1.init(Cipher.ENCRYPT_MODE, c1);
+        SecretKey sk1 = c.export(new byte[32], 32);
+        Cipher c2 = Cipher.getInstance("X", new ProviderImpl());
+        c2.init(Cipher.ENCRYPT_MODE, c1);
+        SecretKey sk2 = c.export(new byte[32], 32);
+        Asserts.assertByteArrayEquals(sk1.getEncoded(), sk2.getEncoded());
+    }
+
+    static class ProviderImpl extends Provider {
+        ProviderImpl() {
+            super("MyProvider", "0.0", "New cipher supporting export");
+            put("Cipher.X", "Export$CipherImpl");
+        }
+    }
+
+    static class CipherImpl extends CipherSpi {
+
+    }
+}