--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/StringBuffer/GetCharsOverLength.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 1999, 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 4230290
+ * @summary Test GetChars method parameter checking
+ */
+
+public class GetCharsOverLength {
+
+   public static void main (String argv[]) {
+
+    StringBuffer sb = new StringBuffer("sample string buffer");
+    char dst[] = new char[30];
+    boolean failed = false;
+
+    int a[][] = {
+                  {0, 0, dst.length + 1},
+                  {0, 0, dst.length + 2},
+                  {0, 0, dst.length + 20},
+                  {5, 5, dst.length + 1},
+                  {5, 5, dst.length + 2},
+                  {5, 5, dst.length + 20}
+    };
+
+    for (int i = 0; i < a.length; i++) {
+        try {
+            sb.getChars(a[i][0], a[i][1], dst, a[i][2]);
+            throw new RuntimeException("Bounds test failed");
+        } catch (IndexOutOfBoundsException iobe) {
+            // Test passed
+        }
+    }
+  }
+}