--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/InvocationTests/shared/ByteArrayClassLoader.java	Wed Jun 26 09:06:32 2019 -0400
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2009, 2019, 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.
+ *
+ */
+
+package shared;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/*******************************************************************/
+// Class loader which has local class file storage in memory
+/*******************************************************************/
+
+public class ByteArrayClassLoader extends ClassLoader {
+    private Map<String, byte[]> classes;
+
+    public ByteArrayClassLoader() {
+        classes = new HashMap<String, byte[]>();
+    }
+
+    public ByteArrayClassLoader(Map<String, byte[]> classes) {
+        this.classes = classes;
+    }
+
+    public void appendClass(String name, byte[] classFile) {
+        classes.put(name, classFile);
+    }
+
+    public Class findClass (String name) throws ClassNotFoundException {
+        if (classes.containsKey(name)) {
+            byte[] classData = classes.get(name);
+            return defineClass(name, classData, 0, classData.length);
+        } else {
+            throw new ClassNotFoundException("Can't find requested class: " + name);
+        }
+    }
+}