[evolution-data-server] test-cal-utils: Add test to clamp a VTIMEZONE by a future time

[Milan Crha <mcrha src gnome org>]

commit 83378a2a38085787d3397757d81e22c23c9dfc5b
Author: Milan Crha <mcrha redhat com>
Date:   Thu Feb 18 14:38:25 2021 +0100

    test-cal-utils: Add test to clamp a VTIMEZONE by a future time

 tests/libecal/test-cal-utils.c | 41 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)
---
diff --git a/tests/libecal/test-cal-utils.c b/tests/libecal/test-cal-utils.c
index 0d076a1ea..4469e57b2 100644
--- a/tests/libecal/test-cal-utils.c
+++ b/tests/libecal/test-cal-utils.c
@@ -20,7 +20,7 @@
 
 #include "e-test-server-utils.h"
 
-static ETestServerClosure test_closure = { E_TEST_SERVER_CALENDAR, NULL, E_CAL_CLIENT_SOURCE_TYPE_EVENTS, 
FALSE, NULL, FALSE };
+static ETestServerClosure test_closure = { E_TEST_SERVER_NONE, NULL, E_CAL_CLIENT_SOURCE_TYPE_EVENTS, FALSE, 
NULL, FALSE };
 
 #define DEF_SUBCOMP(x, dt) \
        "BEGIN:" x "\r\n" \
@@ -161,11 +161,48 @@ test_clamp_vtimezone (ETestServerFixture *fixture,
        e_cal_util_clamp_vtimezone_by_component (vtimezone, comp);
        g_assert_cmpint (i_cal_component_count_components (vtimezone, I_CAL_XDAYLIGHT_COMPONENT), ==, 3);
        g_assert_cmpint (i_cal_component_count_components (vtimezone, I_CAL_XSTANDARD_COMPONENT), ==, 3);
-       g_object_unref (comp);
 
+       g_object_unref (comp);
        g_object_unref (vtimezone);
+       vtimezone = i_cal_component_new_from_string (vtimezone_str);
+
+       comp = i_cal_component_new_from_string (
+               "BEGIN:VEVENT\r\n"
+               "UID:1\r\n"
+               "DTSTART:20200104T080000Z\r\n"
+               "DTEND:20200104T090000Z\r\n"
+               "END:VEVENT\r\n");
+       g_assert_nonnull (comp);
+
+       e_cal_util_clamp_vtimezone_by_component (vtimezone, comp);
+       g_assert_cmpint (i_cal_component_count_components (vtimezone, I_CAL_XDAYLIGHT_COMPONENT), ==, 1);
+       g_assert_cmpint (i_cal_component_count_components (vtimezone, I_CAL_XSTANDARD_COMPONENT), ==, 1);
+       g_object_unref (comp);
+
        g_object_unref (from);
        g_object_unref (to);
+
+       comp = i_cal_component_get_first_component (vtimezone, I_CAL_XDAYLIGHT_COMPONENT);
+       g_assert_nonnull (comp);
+       from = i_cal_component_get_dtstart (comp);
+       g_assert_nonnull (from);
+       g_assert_cmpint (i_cal_time_get_year (from), ==, 1985);
+       g_assert_cmpint (i_cal_time_get_month (from), ==, 3);
+       g_assert_cmpint (i_cal_time_get_day (from), ==, 1);
+       g_object_unref (from);
+       g_object_unref (comp);
+
+       comp = i_cal_component_get_first_component (vtimezone, I_CAL_XSTANDARD_COMPONENT);
+       g_assert_nonnull (comp);
+       from = i_cal_component_get_dtstart (comp);
+       g_assert_nonnull (from);
+       g_assert_cmpint (i_cal_time_get_year (from), ==, 1985);
+       g_assert_cmpint (i_cal_time_get_month (from), ==, 10);
+       g_assert_cmpint (i_cal_time_get_day (from), ==, 1);
+       g_object_unref (from);
+       g_object_unref (comp);
+
+       g_object_unref (vtimezone);
 }
 
 gint