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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed 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
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* 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 <iostream>
#include "itkRealTimeStamp.h"
#include "itkNumericTraits.h"
#include "itkMath.h"
#include "itkTestingMacros.h"
#define CHECK_FOR_VALUE(a, b) \
{ \
double eps = 4.0 * itk::NumericTraits<double>::epsilon(); \
ITK_GCC_PRAGMA_PUSH \
ITK_GCC_SUPPRESS_Wfloat_equal \
eps = (b == 0.0) ? eps : itk::Math::abs(b * eps); \
ITK_GCC_PRAGMA_POP \
if (itk::Math::abs(a - b) > eps) \
{ \
std::cerr << "Error in " #a << " expected " << b << " but got " << a << std::endl; \
return EXIT_FAILURE; \
} \
} \
ITK_MACROEND_NOOP_STATEMENT
#define CHECK_FOR_BOOLEAN(x, expected) \
{ \
if ((x) != expected) \
{ \
std::cerr << "Error in " #x << std::endl; \
return EXIT_FAILURE; \
} \
} \
ITK_MACROEND_NOOP_STATEMENT
int
itkRealTimeStampTest(int, char *[])
{
itk::RealTimeStamp stamp0;
double timeInMicroSeconds = stamp0.GetTimeInMicroSeconds();
double timeInMilliSeconds = stamp0.GetTimeInMilliSeconds();
double timeInSeconds = stamp0.GetTimeInSeconds();
double timeInHours = stamp0.GetTimeInHours();
double timeInDays = stamp0.GetTimeInDays();
CHECK_FOR_VALUE(timeInMicroSeconds, 0.0);
CHECK_FOR_VALUE(timeInMilliSeconds, 0.0);
CHECK_FOR_VALUE(timeInSeconds, 0.0);
CHECK_FOR_VALUE(timeInHours, 0.0);
CHECK_FOR_VALUE(timeInDays, 0.0);
itk::RealTimeStamp stamp1;
itk::RealTimeStamp stamp2 = stamp0;
itk::RealTimeInterval minusOneSecond(-1, 0);
ITK_TRY_EXPECT_EXCEPTION(stamp2 += minusOneSecond);
itk::RealTimeInterval oneSecond(1, 0);
for (unsigned int i = 0; i < 1000000L; ++i)
{
stamp2 += oneSecond;
}
std::cout << "Stamp2 = " << stamp2 << std::endl;
itk::RealTimeInterval manySeconds = stamp2 - stamp0;
timeInSeconds = manySeconds.GetTimeInSeconds();
CHECK_FOR_VALUE(timeInSeconds, 1000000.0);
itk::RealTimeInterval fiveMicroseconds;
fiveMicroseconds.Set(0, 5);
itk::RealTimeStamp stamp3 = stamp0;
for (unsigned int i = 0; i < 1000000L; ++i)
{
stamp3 += fiveMicroseconds;
}
manySeconds = stamp3 - stamp0;
timeInSeconds = manySeconds.GetTimeInSeconds();
CHECK_FOR_VALUE(timeInSeconds, 5.0);
for (unsigned int i = 0; i < 1000000L; ++i)
{
stamp3 -= fiveMicroseconds;
}
manySeconds = stamp3 - stamp0;
timeInSeconds = manySeconds.GetTimeInSeconds();
CHECK_FOR_VALUE(timeInSeconds, 0.0);
ITK_TRY_EXPECT_EXCEPTION(stamp3 += minusOneSecond);
itk::RealTimeInterval timeSpan;
timeSpan.Set(19, -5000000L);
timeInSeconds = timeSpan.GetTimeInSeconds();
CHECK_FOR_VALUE(timeInSeconds, 14.0);
timeSpan.Set(-19, 5000000L);
timeInSeconds = timeSpan.GetTimeInSeconds();
CHECK_FOR_VALUE(timeInSeconds, -14.0);
timeSpan.Set(-19, -5000000L);
timeInSeconds = timeSpan.GetTimeInSeconds();
CHECK_FOR_VALUE(timeInSeconds, -24.0);
timeSpan.Set(19, 5000000L);
timeInSeconds = timeSpan.GetTimeInSeconds();
CHECK_FOR_VALUE(timeInSeconds, 24.0);
itk::RealTimeInterval timeSpan1(19, 300000L);
itk::RealTimeInterval timeSpan2(13, 500000L);
itk::RealTimeInterval timeSpan3 = timeSpan1 + timeSpan2;
timeInSeconds = timeSpan3.GetTimeInSeconds();
CHECK_FOR_VALUE(timeInSeconds, 32.8);
// Test comparison operations
itk::RealTimeInterval dt1(15, 13);
itk::RealTimeInterval dt2(19, 11);
itk::RealTimeInterval dt3(15, 25);
itk::RealTimeInterval t1;
t1 += dt1;
itk::RealTimeInterval t2;
t2 += dt2;
itk::RealTimeInterval t3;
t3 += dt3;
CHECK_FOR_BOOLEAN(t1 == t1, true);
CHECK_FOR_BOOLEAN(t1 != t2, true);
CHECK_FOR_BOOLEAN(t1 != t1, false);
CHECK_FOR_BOOLEAN(t2 >= t1, true);
CHECK_FOR_BOOLEAN(t1 >= t1, true);
CHECK_FOR_BOOLEAN(t2 > t1, true);
CHECK_FOR_BOOLEAN(t1 <= t2, true);
CHECK_FOR_BOOLEAN(t1 <= t1, true);
CHECK_FOR_BOOLEAN(t1 < t2, true);
CHECK_FOR_BOOLEAN(t3 == t3, true);
CHECK_FOR_BOOLEAN(t1 != t3, true);
CHECK_FOR_BOOLEAN(t3 >= t1, true);
CHECK_FOR_BOOLEAN(t3 > t1, true);
CHECK_FOR_BOOLEAN(t3 <= t1, false);
CHECK_FOR_BOOLEAN(t3 < t1, false);
CHECK_FOR_BOOLEAN(t1 <= t3, true);
CHECK_FOR_BOOLEAN(t1 < t3, true);
CHECK_FOR_BOOLEAN(t1 >= t3, false);
CHECK_FOR_BOOLEAN(t1 > t3, false);
std::cout << "[PASSED]" << std::endl;
return EXIT_SUCCESS;
}
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