add tests

maxscale-system-test/mxs501_tee_usedb.cpp

@@ -0,0 +1,76 @@
+/**
+ * @file mxs501_tee_usedb.cpp mxs501 regression case ("USE <db> hangs when Tee filter uses matching")
+ * @verbatim
+[RW Split Router]
+type=service
+router= readwritesplit
+servers=server1,     server2,              server3,server4
+user=skysql
+passwd=skysql
+router_options=slave_selection_criteria=LEAST_ROUTER_CONNECTIONS
+max_slave_connections=1
+filters=QLA,duplicate
+
+[duplicate]
+type=filter
+module=tee
+match=insert
+service=Connection Router Master
+
+
+[Read Connection Router Slave]
+type=service
+router=readconnroute
+router_options= slave
+servers=server1,server2,server3,server4
+user=skysql
+passwd=skysql
+filters=QLA
+
+[Read Connection Router Master]
+type=service
+router=readconnroute
+router_options=master
+servers=server1,server2,server3,server4
+user=skysql
+passwd=skysql
+filters=QLA
+@endverbatim
+ *
+ * try USE test command against all routers
+ */
+
+#include <iostream>
+#include <unistd.h>
+#include "testconnections.h"
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+    TestConnections * Test = new TestConnections(argc, argv);
+    Test->set_timeout(10);
+
+    Test->connect_maxscale();
+
+    Test->set_timeout(10);
+    Test->tprintf("Trying USE db against RWSplit\n");
+    Test->try_query(Test->conn_rwsplit, (char *) "USE mysql");
+    Test->try_query(Test->conn_rwsplit, (char *) "USE test");
+    Test->set_timeout(10);
+    Test->tprintf("Trying USE db against ReadConn master\n");
+    Test->try_query(Test->conn_master, (char *) "USE mysql");
+    Test->try_query(Test->conn_master, (char *) "USE test");
+    Test->set_timeout(10);
+    Test->tprintf("Trying USE db against ReadConn slave\n");
+    Test->try_query(Test->conn_master, (char *) "USE mysql");
+    Test->try_query(Test->conn_slave, (char *) "USE test");
+
+    Test->set_timeout(10);
+    Test->close_maxscale_connections();
+
+    Test->check_maxscale_alive();
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}