xlnt/tests/utils/timedelta_test_suite.hpp

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// Copyright (c) 2014-2017 Thomas Fussell
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, WRISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE
//
// @license: http://www.opensource.org/licenses/mit-license.php
// @author: see AUTHORS file
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#pragma once
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#include <iostream>
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#include <helpers/test_suite.hpp>
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class timedelta_test_suite : public test_suite
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{
public:
void test_from_number()
{
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auto td = xlnt::timedelta::from_number(1.0423726852L);
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assert(td.days == 1);
assert(td.hours == 1);
assert(td.minutes == 1);
assert(td.seconds == 1);
assert(td.microseconds == 1);
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}
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void test_round_trip()
{
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long double time = 3.14159265359L;
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auto td = xlnt::timedelta::from_number(time);
auto time_rt = td.to_number();
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assert_equals(time, time_rt);
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}
void test_to_number()
{
xlnt::timedelta td(1, 1, 1, 1, 1);
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assert_equals(td.to_number(), 1.0423726852L);
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}
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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::timedelta td(1, 23, 59, 59, 999999);
auto number = td.to_number();
// 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::timedelta::from_number(number);
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assert_equals(rollover.days, 2);
assert_equals(rollover.hours, 0);
assert_equals(rollover.minutes, 0);
assert_equals(rollover.seconds, 0);
assert_equals(rollover.microseconds, 0);
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}
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};