add tests

maxscale-system-test/bug673.cpp

@@ -0,0 +1,30 @@
+/**
+ * @file bug673.cpp regression case for bug673 ("MaxScale crashes if "Users table data" is empty and "show dbusers" is executed in maxadmin")
+ *
+ * - configure wrong IP for all backends
+ * - execute maxadmin command show dbusers "RW Split Router"
+ * - check MaxScale is alive by executing maxadmin again
+ */
+
+#include "testconnections.h"
+#include "maxadmin_operations.h"
+
+int main(int argc, char *argv[])
+{
+    char result[1024];
+    TestConnections * Test = new TestConnections(argc, argv);
+
+    Test->set_timeout(20);
+
+    for (int i = 0; i < 2; i++)
+    {
+        Test->tprintf("Trying show dbusers \"RW Split Router\"\n");
+        Test->add_result(Test->get_maxadmin_param((char *) "show dbusers \"RW Split Router\"", (char *) "User names:",
+                         result), "Maxadmin failed\n");
+        Test->tprintf("result %s\n", result);
+    }
+
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}