/*
 * Copyright 2015 (c) Anna Schumaker.
 */
#define _GNU_SOURCE

#include <core/date.h>
#include <tests/test.h>
#include <locale.h>
#include <time.h>

void test_date()
{
	time_t rawtime   = time(NULL);
	struct tm *today = localtime(&rawtime);
	struct date date = {
		.d_year  = 0,
		.d_month = 0,
		.d_day   = 0,
	};
	struct file f = FILE_INIT("date", 0, 0);
	gchar *str;

	date_today(NULL);
	date_set(NULL, 0, 0, 0);
	setlocale(LC_TIME, "C");
	file_open(&f, OPEN_WRITE);

	date_set(&date, 1988, 6, 17);
	test_equal(date.d_year,  1988);
	test_equal(date.d_month, 6);
	test_equal(date.d_day,   17);
	date_write(&f, &date);
	file_writef(&f, "\n");

	date_today(&date);
	test_equal(date.d_year,  today->tm_year + 1900);
	test_equal(date.d_month, today->tm_mon  + 1);
	test_equal(date.d_day,   today->tm_mday);
	date_write(&f, &date);

	file_close(&f);
	file_open(&f, OPEN_READ);

	date_read(&f, &date);
	test_equal(date.d_year, 1988);
	test_equal(date.d_month,   6);
	test_equal(date.d_day,    17);

	str = date_string(&date);
	test_equal(str, "06/17/88");
	g_free(str);

	date_read(&f, &date);
	test_equal(date.d_year,  today->tm_year + 1900);
	test_equal(date.d_month, today->tm_mon  + 1);
	test_equal(date.d_day,   today->tm_mday);
	file_close(&f);
}

void test_compare()
{
	struct date a = {
		.d_year  = 2015,
		.d_month = 6,
		.d_day   = 17,
	};
	struct date b = {
		.d_year  = 2010,
		.d_month = 12,
		.d_day   = 10,
	};

	/* Check year comparison. */
	test_equal(date_compare(&a, &b),  5);
	test_equal(date_compare(&b, &a), -5);

	/* Check month comparison. */
	b.d_year = a.d_year;
	test_equal(date_compare(&a, &b), -6);
	test_equal(date_compare(&b, &a),  6);

	/* Check day comparison. */
	b.d_month = a.d_month;
	test_equal(date_compare(&a, &a),  0);
	test_equal(date_compare(&a, &b),  7);
	test_equal(date_compare(&b, &a), -7);
}

DECLARE_UNIT_TESTS(
	UNIT_TEST("Date", test_date),
	UNIT_TEST("Date Comparison", test_compare),
);