8008169: test/runtime/7158804/Test7158804.sh has bad copyright header

Re-wrote test in Java in addition to fixing the Copyright notice. Also reviewed by leonid.mesnik@oracle.com

Reviewed-by: coleenp, ctornqvi

hotspot/test/runtime/CommandLine/ConfigFileParsing.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2013, 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 ConfigFileParsing
+ * @bug 7158804
+ * @summary Improve config file parsing
+ * @library /testlibrary
+ */
+
+import java.io.PrintWriter;
+import com.oracle.java.testlibrary.*;
+
+public class ConfigFileParsing {
+  public static void main(String[] args) throws Exception {
+    String testFileName = ".hotspotrc";
+
+    // Create really long invalid option
+    String reallyLongInvalidOption = "";
+    for (int i=0; i<5000; i++)
+      reallyLongInvalidOption+='a';
+
+    // Populate the options file with really long string
+    PrintWriter pw = new PrintWriter(testFileName);
+    pw.println("-XX:+" + reallyLongInvalidOption);
+    pw.close();
+
+    // start VM
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+        "-XX:+IgnoreUnrecognizedVMOptions", "-XX:Flags=.hotspotrc", "-version");
+
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+    output.shouldHaveExitValue(0);
+  }
+}