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/*
 * Copyright 2013 Canonical Ltd.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 3, as published
 * by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranties of
 * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Authors:
 *   Charles Kerr <charles.kerr@canonical.com>
 */

#include <gtest/gtest.h>

#include <glib-object.h>

#include "utils.h"

/***
****
***/

TEST(UtilsTest, SplitSettingsLocation)
{
    struct {
        const char * location;
        const char * expected_zone;
        const char * expected_name;
    } test_cases[] = {
        { "America/Chicago Chicago", "America/Chicago", "Chicago" },
        { "America/Chicago Oklahoma City", "America/Chicago", "Oklahoma City" },
        { "America/Los_Angeles",      "America/Los_Angeles", "Los Angeles" },
        { "America/Los_Angeles  ",    "America/Los_Angeles", "Los Angeles" },
        { "  America/Los_Angeles",    "America/Los_Angeles", "Los Angeles" },
        { "  America/Los_Angeles   ", "America/Los_Angeles", "Los Angeles" },
        { "UTC UTC", "UTC", "UTC" }
    };

    for(guint i=0, n=G_N_ELEMENTS(test_cases); i<n; i++)
    {
        char * zone = NULL;
        char * name = NULL;

        split_settings_location(test_cases[i].location, &zone, &name);
        ASSERT_STREQ(test_cases[i].expected_zone, zone);
        ASSERT_STREQ(test_cases[i].expected_name, name);

        g_free(zone);
        g_free(name);
    }
}

/***
****
***/

#define EM_SPACE "\xE2\x80\x82"

TEST(UtilsTest, GenerateTerseFormatString)
{
    auto arbitrary_day = g_date_time_new_local(2013, 6, 25, 12, 34, 56);
    auto on_the_hour   = g_date_time_new_local(2013, 6, 25, 12,  0,  0);

    struct {
        GDateTime * now;
        GDateTime * time;
        const char * expected_format_string;
    } test_cases[] = {
        { g_date_time_ref(arbitrary_day), g_date_time_ref(arbitrary_day), "%l:%M %p" }, /* identical time */
        { g_date_time_ref(arbitrary_day), g_date_time_add_hours(arbitrary_day,1), "%l:%M %p" }, /* later today */
        { g_date_time_ref(arbitrary_day), g_date_time_add_days(arbitrary_day,1), "Tomorrow" EM_SPACE "%l:%M %p" }, /* tomorrow */
        { g_date_time_ref(arbitrary_day), g_date_time_add_days(arbitrary_day,2), "%a" EM_SPACE "%l:%M %p" },
        { g_date_time_ref(arbitrary_day), g_date_time_add_days(arbitrary_day,6), "%a" EM_SPACE "%l:%M %p" },
        { g_date_time_ref(arbitrary_day), g_date_time_add_days(arbitrary_day,7), "%d %b" EM_SPACE "%l:%M %p" }, /* over one week away */

        { g_date_time_ref(on_the_hour), g_date_time_ref(on_the_hour), "%l %p" }, /* identical time */
        { g_date_time_ref(on_the_hour), g_date_time_add_hours(on_the_hour,1), "%l %p" }, /* later today */
        { g_date_time_ref(on_the_hour), g_date_time_add_days(on_the_hour,1), "Tomorrow" EM_SPACE "%l %p" }, /* tomorrow */
        { g_date_time_ref(on_the_hour), g_date_time_add_days(on_the_hour,2), "%a" EM_SPACE "%l %p" },
        { g_date_time_ref(on_the_hour), g_date_time_add_days(on_the_hour,6), "%a" EM_SPACE "%l %p" },
        { g_date_time_ref(on_the_hour), g_date_time_add_days(on_the_hour,7), "%d %b" EM_SPACE "%l %p" }, /* over one week away */
    };

    for(guint i=0, n=G_N_ELEMENTS(test_cases); i<n; i++)
    {
        auto format_string = generate_terse_format_string_at_time(test_cases[i].now,
                                                                  test_cases[i].time); 

        ASSERT_STREQ(test_cases[i].expected_format_string, format_string);

        g_free(format_string);
        g_date_time_unref(test_cases[i].now);
        g_date_time_unref(test_cases[i].time);
    }

    g_date_time_unref(arbitrary_day);
    g_date_time_unref(on_the_hour);
}