[libgda] virtual-check: improvements on object destruction

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit cdf935ba195c482d1edb177928f1a7f1c9834d5a
Author: Daniel Espinosa <esodan gmail com>
Date:   Tue Oct 9 16:00:29 2018 -0500

    virtual-check: improvements on object destruction

 tests/data-models/check_virtual.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/tests/data-models/check_virtual.c b/tests/data-models/check_virtual.c
index 77ab43417..d5b6f818e 100644
--- a/tests/data-models/check_virtual.c
+++ b/tests/data-models/check_virtual.c
@@ -61,6 +61,7 @@ test1 (void)
        g_print ("===== %s() =====\n", __FUNCTION__);
        provider = gda_vprovider_data_model_new ();
        cnc = gda_virtual_connection_open (provider, GDA_CONNECTION_OPTIONS_NONE, NULL);
+       g_object_unref (provider);
        g_assert (cnc);
 
        /* create RW data model to store results */
@@ -87,14 +88,18 @@ test1 (void)
                g_error ("Add city model error: %s\n", error && error->message ? error->message : "no 
detail");
        if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), country_model, 
"country", &error)) 
                g_error ("Add country model error: %s\n", error && error->message ? error->message : "no 
detail");
+       g_object_unref (city_model);
+       g_object_unref (country_model);
 
        /* test */
        GdaDataModel *model;
        model = run_sql_select (cnc, "SELECT * FROM city");
        gda_data_model_dump (model, stdout);
+       g_message ("Removing City Data Model from select: 97");
        g_object_unref (model);
        model = run_sql_select (cnc, "SELECT __gda_row_nb, * FROM city");
        gda_data_model_dump (model, stdout);
+       g_message ("Removing second City Data Model from select :102");
        g_object_unref (model);
        
 
@@ -118,10 +123,7 @@ test1 (void)
        g_free (file);
        g_free (export);
        g_free (expected);
-       g_object_unref (city_model);
-       g_object_unref (country_model);
        g_object_unref (cnc);
-       g_object_unref (provider);
 
        g_print ("%s() is %s\n", __FUNCTION__, retval ? "Ok" : "NOT Ok");
        return retval;
@@ -165,6 +167,7 @@ test2 (void)
        GdaDataModel *model;
        model = run_sql_select (cnc, "SELECT c.*, o.name FROM city c INNER JOIN country o ON (c.countrycode = 
o.code)");
        gda_data_model_dump (model, stdout);
+       g_message ("Removing Data Model from select : 170");
        g_object_unref (model);
 
        retval = TRUE;