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/////////////////////////////////////////////////////////////////////////////
// Copyright (c) Electronic Arts Inc. All rights reserved.
/////////////////////////////////////////////////////////////////////////////
#include "EASTLTest.h"
#include <EABase/eabase.h>
#include <EASTL/chrono.h>
#include <EASTL/numeric.h>
#include <EASTL/string.h>
using namespace eastl;
using namespace eastl::chrono;
//////////////////////////////////////////////////////////////////////////////////////////////////
// TestDuration
//
int TestDuration()
{
int nErrorCount = 0;
{
hours h{1}; // 1 hour
milliseconds ms{3}; // 3 milliseconds
duration<int, kilo> ks{3}; // 3000 seconds
duration<double, ratio<1, 30>> hz30{3.5};
microseconds us = ms;
duration<double, milli> ms2 = us; // 3.0 milliseconds
EA_UNUSED(h);
EA_UNUSED(ms2);
EA_UNUSED(ks);
EA_UNUSED(hz30);
EA_UNUSED(us);
}
{
typedef duration<double, ratio<1, 30>> dur_t;
VERIFY(dur_t::min() < dur_t::zero());
VERIFY(dur_t::zero() < dur_t::max());
VERIFY(dur_t::min() < dur_t::max());
}
{
seconds s1(10);
seconds s2 = -s1;
VERIFY(s1.count() == 10);
VERIFY(s2.count() == -10);
}
{
{
hours h(1);
minutes m = ++h;
m--;
VERIFY(m.count() == 119);
}
{
hours h(24);
minutes m = h;
seconds s = m;
milliseconds ms = s;
VERIFY(h.count() == 24);
VERIFY(m.count() == 1440);
VERIFY(s.count() == 86400);
VERIFY(ms.count() == 86400000);
}
{
minutes m(11);
m *= 2;
VERIFY(m.count() == 22);
m += hours(10);
VERIFY(m.count() == 622);
VERIFY(duration_cast<hours>(m).count() == 10);
m %= hours(1);
VERIFY(duration_cast<hours>(m).count() == 0);
VERIFY(m.count() == 22);
}
{
milliseconds ms(3); // 3 milliseconds
VERIFY(ms.count() == 3);
microseconds us = 2 * ms; // 6000 microseconds constructed from 3 milliseconds
VERIFY(us.count() == 6000);
microseconds us2 = us / 2;
VERIFY(us2.count() == 3000);
microseconds us3 = us % 2;
VERIFY(us3.count() == 0);
}
}
return nErrorCount;
}
//////////////////////////////////////////////////////////////////////////////////////////////////
// TestTimePoint
//
int TestTimePoint()
{
int nErrorCount = 0;
{
{
system_clock::time_point t0 = system_clock::now();
auto tomorrow = t0 + hours(24);
auto today = tomorrow - system_clock::now();
auto hours_count = duration_cast<hours>(today).count();
VERIFY(hours_count == 24 || hours_count == 23); // account for time flux
}
{
time_point<system_clock, hours> hour1(hours(1));
auto hour_to_min = time_point_cast<minutes>(hour1);
auto hour_to_sec = time_point_cast<seconds>(hour1);
auto hour_to_millisec = time_point_cast<milliseconds>(hour1);
auto hour_to_microsec = time_point_cast<microseconds>(hour1);
auto hour_to_nanosec = time_point_cast<nanoseconds>(hour1);
VERIFY(hour_to_min.time_since_epoch().count() == 60);
VERIFY(hour_to_sec.time_since_epoch().count() == 3600);
VERIFY(hour_to_millisec.time_since_epoch().count() == 3600000ll);
VERIFY(hour_to_microsec.time_since_epoch().count() == 3600000000ll);
VERIFY(hour_to_nanosec.time_since_epoch().count() == 3600000000000ll);
}
}
return nErrorCount;
}
//////////////////////////////////////////////////////////////////////////////////////////////////
// TestClocks
//
int TestClocks()
{
int nErrorCount = 0;
{
{
auto sys = system_clock::now();
VERIFY(sys.time_since_epoch().count() > 0);
auto stdy = steady_clock::now();
VERIFY(stdy.time_since_epoch().count() > 0);
auto hrc = high_resolution_clock::now();
VERIFY(hrc.time_since_epoch().count() > 0);
}
{
auto start = system_clock::now();
auto end = system_clock::now();
auto d = end - start;
EA_UNUSED(d);
VERIFY(d.count() >= 0);
}
{
auto start = steady_clock::now();
auto end = steady_clock::now();
auto d = end - start;
EA_UNUSED(d);
VERIFY(d.count() >= 0);
}
{
auto start = high_resolution_clock::now();
auto end = high_resolution_clock::now();
auto d = end - start;
EA_UNUSED(d);
VERIFY(d.count() >= 0);
}
{
typedef duration<int, ratio<1, 100000000>> shakes;
typedef duration<int, centi> jiffies;
typedef duration<float, ratio<12096, 10000>> microfortnights;
typedef duration<float, ratio<3155, 1000>> nanocenturies;
seconds sec(1);
VERIFY(duration_cast<shakes>(sec).count() == 100000000);
VERIFY(duration_cast<jiffies>(sec).count() == 100);
VERIFY(microfortnights(sec).count() > 0.82f);
VERIFY(nanocenturies(sec).count() > 0.31f);
}
}
return nErrorCount;
}
int TestChrono()
{
int nErrorCount = 0;
nErrorCount += TestDuration();
nErrorCount += TestTimePoint();
nErrorCount += TestClocks();
return nErrorCount;
}
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