Add tests from develop

Added tests from develop. The test results need to be modified for 2.0.

maxscale-system-test/connect_to_nonexisting_db.cpp

@@ -0,0 +1,66 @@
+/**
+  * @file connect_to_nonexisting_db.cpp Tries to connect to non existing DB, expects no crash
+  */
+
+// some relations to bug#425
+
+#include <iostream>
+#include "testconnections.h"
+#include "sql_t1.h"
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+    TestConnections * Test = new TestConnections(argc, argv);
+    Test->set_timeout(30);
+
+    Test->tprintf("Connecting to RWSplit\n");
+    Test->conn_rwsplit = open_conn_no_db(Test->rwsplit_port, Test->maxscale_IP, Test->maxscale_user,
+                                         Test->maxscale_password, Test->ssl);
+    if (Test->conn_rwsplit == NULL)
+    {
+        Test->add_result(1, "Error connecting to MaxScale\n");
+        delete Test;
+        return 1;
+    }
+    Test->tprintf("Removing 'test' DB\n");
+    execute_query(Test->conn_rwsplit, (char *) "DROP DATABASE IF EXISTS test;");
+    Test->tprintf("Closing connections and waiting 5 seconds\n");
+    Test->close_rwsplit();
+    sleep(5);
+
+    Test->tprintf("Connection to non-existing DB (all routers)\n");
+    Test->connect_maxscale();
+    Test->close_maxscale_connections();
+
+    Test->tprintf("Connecting to RWSplit again to recreate 'test' db\n");
+    Test->conn_rwsplit = open_conn_no_db(Test->rwsplit_port, Test->maxscale_IP, Test->maxscale_user,
+                                         Test->maxscale_password, Test->ssl);
+    if (Test->conn_rwsplit == NULL)
+    {
+        printf("Error connecting to MaxScale\n");
+        delete Test;
+        return 1;
+    }
+
+    Test->tprintf("Creating and selecting 'test' DB\n");
+    Test->try_query(Test->conn_rwsplit, (char *) "CREATE DATABASE test; USE test");
+    Test->tprintf("Creating 't1' table\n");
+    Test->add_result(create_t1(Test->conn_rwsplit), "Error creation 't1'\n");
+    Test->close_rwsplit();
+
+    Test->tprintf("Reconnectiong\n");
+    Test->add_result(Test->connect_maxscale(), "error connection to Maxscale\n");
+    Test->tprintf("Trying simple operations with t1 \n");
+    Test->try_query(Test->conn_rwsplit, (char *) "INSERT INTO t1 (x1, fl) VALUES(0, 1);");
+    Test->set_timeout(240);
+    Test->add_result(execute_select_query_and_check(Test->conn_rwsplit, (char *) "SELECT * FROM t1;", 1),
+                     "Error execution SELECT * FROM t1;\n");
+
+    Test->close_maxscale_connections();
+
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}