xlnt/source/utils/tests/test_datetime.hpp
2016-07-16 15:57:50 -04:00

43 lines
1.3 KiB
C++

#pragma once
#include <iostream>
#include <cxxtest/TestSuite.h>
#include <xlnt/xlnt.hpp>
class test_datetime : public CxxTest::TestSuite
{
public:
void test_from_string()
{
xlnt::time t("10:35:45");
TS_ASSERT_EQUALS(t.hour, 10);
TS_ASSERT_EQUALS(t.minute, 35);
TS_ASSERT_EQUALS(t.second, 45);
}
void test_to_string()
{
xlnt::datetime dt(2016, 7, 16, 9, 11, 32, 999999);
TS_ASSERT_EQUALS(dt.to_string(), "2016/7/16 9:11:32:999999");
}
void test_carry()
{
// We want a time that rolls over to the next second, minute, and hour
// Start off with a time 1 microsecond before the next hour
xlnt::datetime dt(2016, 7, 9, 10, 59, 59, 999999);
auto number = dt.to_number(xlnt::calendar::windows_1900);
// Add 600 nanoseconds to the raw number which represents time as a fraction of a day
// In other words, 6 tenths of a millionth of a sixtieth of a sixtieth of a twenty-fourth of a day
number += (0.6 / 1000000) / 60 / 60 / 24;
auto rollover = xlnt::datetime::from_number(number, xlnt::calendar::windows_1900);
TS_ASSERT_EQUALS(rollover.hour, 11);
TS_ASSERT_EQUALS(rollover.minute, 00);
TS_ASSERT_EQUALS(rollover.second, 00);
TS_ASSERT_EQUALS(rollover.microsecond, 00);
}
};