Add tests from develop

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

maxscale-system-test/bug681.cpp

@@ -0,0 +1,53 @@
+/**
+ * @file bug681.cpp  - regression test for bug681 ("crash if max_slave_connections=10% and 4 or less backends are configured")
+ *
+ * - Configure RWSplit with max_slave_connections=10%
+ * - check ReadConn master and ReadConn slave are alive and RWSplit is not started
+ */
+
+/*
+Timofey Turenko 2015-01-05 11:33:29 UTC
+try to start MaxScale with max_slave_connections=10%
+
+
+Result:
+Program terminated with signal 8, Arithmetic exception.
+#0  0x00007ff0517fee3f in have_enough_servers (p_rses=0x7fff9ed17ed0, min_nsrv=1, router_nsrv=3, router=0x397c2b0)
+    at /usr/local/skysql/maxscale/server/modules/routing/readwritesplit/readwritesplit.c:4668
+4668                                    LOGIF(LE, (skygw_log_write_flush(
+Comment 1 Markus Mäkelä 2015-01-05 11:59:38 UTC
+Added casts to floating point values when doing divisions.
+
+*/
+
+
+#include <iostream>
+#include "testconnections.h"
+#include "mariadb_func.h"
+
+int main(int argc, char *argv[])
+{
+    TestConnections * Test = new TestConnections(argc, argv);
+    Test->set_timeout(20);
+
+    Test->connect_maxscale();
+
+    if (mysql_errno(Test->conn_rwsplit) == 0)
+    {
+        Test->add_result(1, "RWSplit services should fail, but it is started\n");
+    }
+
+    Test->tprintf("Trying query to ReadConn master\n");
+    Test->try_query(Test->conn_master, "show processlist;");
+    Test->tprintf("Trying query to ReadConn slave\n");
+    Test->try_query(Test->conn_slave, "show processlist;");
+
+    Test->close_maxscale_connections();
+
+    Test->check_log_err((char *)
+                        "Unable to start RW-Split-Router service. There are too few backend servers configured in", true);
+
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}