/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <log4cxx/logstring.h>
#include <log4cxx/helpers/timezone.h>
#include "../insertwide.h"
#include "../logunit.h"
#include <apr_time.h>

using namespace log4cxx;
using namespace log4cxx::helpers;

//Define INT64_C for compilers that don't have it
#if (!defined(INT64_C))
	#define INT64_C(value)  value ## LL
#endif


/**
   Unit test {@link TimeZone}.

   */
LOGUNIT_CLASS(TimeZoneTestCase)
{
	LOGUNIT_TEST_SUITE(TimeZoneTestCase);
	LOGUNIT_TEST(test1);
	LOGUNIT_TEST(test2);
	LOGUNIT_TEST(test3);
	LOGUNIT_TEST(test4);
	LOGUNIT_TEST(test5);
	LOGUNIT_TEST(test6);
	LOGUNIT_TEST_SUITE_END();

#define MICROSECONDS_PER_DAY APR_INT64_C(86400000000)


public:
	/**
	 * Checks the GMT timezone
	 */
	void test1()
	{
		TimeZonePtr tz(TimeZone::getGMT());
		LOGUNIT_ASSERT_EQUAL((LogString) LOG4CXX_STR("GMT"), tz->getID());
	}

	/**
	 * Get "GMT-6" time zone
	 */
	void test2()
	{
		TimeZonePtr tz(TimeZone::getTimeZone(LOG4CXX_STR("GMT-6")));
		LOGUNIT_ASSERT_EQUAL((LogString) LOG4CXX_STR("GMT-06:00"), tz->getID());

		apr_time_t jan2 = MICROSECONDS_PER_DAY * 12420;
		apr_time_exp_t exploded;
		tz->explode(&exploded, jan2);
		LOGUNIT_ASSERT_EQUAL(-6 * 3600, exploded.tm_gmtoff);
		LOGUNIT_ASSERT_EQUAL(18, exploded.tm_hour);
	}

	/**
	 * Get the default timezone name
	 */
	void test3()
	{
		TimeZonePtr tz(TimeZone::getDefault());
		LogString tzName(tz->getID());
		LOGUNIT_ASSERT(tzName.length() > 0);
	}


	/**
	 * Get "GMT+0010" time zone
	 */
	void test4()
	{
		TimeZonePtr tz(TimeZone::getTimeZone(LOG4CXX_STR("GMT+0010")));
		LOGUNIT_ASSERT_EQUAL((LogString) LOG4CXX_STR("GMT+00:10"), tz->getID());

		apr_time_t jan2 = MICROSECONDS_PER_DAY * 12420;
		apr_time_exp_t exploded;
		tz->explode(&exploded, jan2);
		LOGUNIT_ASSERT_EQUAL(600, exploded.tm_gmtoff);
		LOGUNIT_ASSERT_EQUAL(0, exploded.tm_hour);
		LOGUNIT_ASSERT_EQUAL(10, exploded.tm_min);
	}


	/**
	 * Get "GMT+6" time zone
	 */
	void test5()
	{
		TimeZonePtr tz(TimeZone::getTimeZone(LOG4CXX_STR("GMT+6")));
		LOGUNIT_ASSERT_EQUAL((LogString) LOG4CXX_STR("GMT+06:00"), tz->getID());

		apr_time_t jan2 = MICROSECONDS_PER_DAY * 12420;
		apr_time_exp_t exploded;
		tz->explode(&exploded, jan2);
		LOGUNIT_ASSERT_EQUAL(6 * 3600, exploded.tm_gmtoff);
		LOGUNIT_ASSERT_EQUAL(6, exploded.tm_hour);
	}

	/**
	 * Checks the GMT timezone
	 */
	void test6()
	{
		TimeZonePtr tz(TimeZone::getTimeZone(LOG4CXX_STR("GMT")));
		LOGUNIT_ASSERT_EQUAL((LogString) LOG4CXX_STR("GMT"), tz->getID());
	}


};

LOGUNIT_TEST_SUITE_REGISTRATION(TimeZoneTestCase);