JRE-638 added new regression test (enable unlimited cryptographic policy by default)

(cherry picked from commit 4a14c6f15a)

with fix for JBR-5300 Change source code and test files to use GPL license

test/jdk/jb/javax/crypto/Cipher/GetMaxAllowed638.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2000-2023 JetBrains s.r.o.
+ * 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.
+ */
+
+import javax.crypto.Cipher;
+
+/*
+ * @test
+ * @summary JRE-638 It checks unlimited cryptographic policy was enabled for JBRE by default
+ * @run main/othervm GetMaxAllowed638
+ */
+
+public class GetMaxAllowed638 {
+
+    public static void main(String[] args) throws Exception {
+
+        int maxKey = Cipher.getMaxAllowedKeyLength("RC5");
+        if ( maxKey < Integer.MAX_VALUE) {
+            System.out.println("Cipher.getMaxAllowedKeyLength(\"RC5\"): " + maxKey);
+            throw new RuntimeException("unlimited policy is set by default, "
+                    + Integer.MAX_VALUE + "(Integer.MAX_VALUE) is expected");
+        }
+    }
+}