--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/share/GoldChecker.java	Mon Apr 30 18:10:24 2018 -0700
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2008, 2018, 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 nsk.share;
+
+import java.io.*;
+
+public class GoldChecker extends AbstractGoldChecker
+{
+    private final String goldOutput;
+
+    public GoldChecker(String main_class_name) {
+        goldOutput = readGoldStr(main_class_name + ".gold");
+    }
+
+    @Override
+    protected String getGoldenString() {
+        return goldOutput;
+    }
+
+    private String readGoldStr(String gold_file_name) {
+        RandomAccessFile f;
+
+        try {
+            f = new RandomAccessFile(gold_file_name, "r");
+        } catch (FileNotFoundException e) {
+            throw new TestBug("Unable to open golden file '" + gold_file_name + "' for reading");
+        }
+
+        byte[] data;
+
+        try {
+            int len = (int)f.length();
+            data = new byte[len];
+            f.read(data);
+        } catch (IOException e) {
+            throw new TestBug("Error reading from golden file'" + gold_file_name + "'");
+        }
+
+        try {
+            f.close();
+        } catch (IOException e) {
+        }
+
+        try {
+            return new String(data, "US-ASCII");
+        } catch (UnsupportedEncodingException e) {
+            throw new TestFailure( e );
+        }
+    }
+
+}