new file mode 100644
--- /dev/null
+++ b/tests/Test_Csendthread.java
@@ -0,0 +1,40 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Copyright 1997 - July 2008 CWI, August 2008 - 2016 MonetDB B.V.
+ */
+
+import java.sql.*;
+
+public class Test_Csendthread {
+	public static void main(String[] args) throws Exception {
+		Class.forName("nl.cwi.monetdb.jdbc.MonetDriver");
+
+		System.out.println("0. active threads: " + Thread.activeCount());
+
+		StringBuilder sb = new StringBuilder();
+		sb.append("SELECT 1");
+		for (int i = 0; i < 256; i++) {
+			sb.append("-- ADDING DUMMY TEXT AS COMMENT TO MAKE THE QUERY VERY VERY VERY VERY LONG\n");
+		}
+		sb.append(";\n");
+		String longQuery = sb.toString();
+
+		for (int i = 0; i < 10; i++) {
+			for (int j = 0; j < 10; j++) {
+				Connection conn = DriverManager.getConnection(args[0]);
+				try {
+					Statement st = conn.createStatement();
+					st.execute(longQuery);
+					st.close();
+				} finally {
+					conn.close();
+				}
+			}
+			System.out.println("1. active threads: " + Thread.activeCount());
+		}
+		System.out.println("2. active threads: " + Thread.activeCount());
+	}
+}