frequency.cpp
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00001 
00007 /*****************************************************************************
00008 ** Includes
00009 *****************************************************************************/
00010 
00011 #include <gtest/gtest.h>
00012 #include <iostream>
00013 #include "../../include/ecl/time/frequency.hpp"
00014 #include "../../include/ecl/time/sleep.hpp"
00015 #include "../../include/ecl/time/timestamp.hpp"
00016 
00017 /*****************************************************************************
00018 ** Platform Check
00019 *****************************************************************************/
00020 
00021 #ifdef ECL_HAS_TIMESTAMP
00022 
00023 /*****************************************************************************
00024 ** Methods
00025 *****************************************************************************/
00026 
00027 std::ostream& operator <<( std::ostream& ostream , const ecl::FrequencyDiagnostics& diagnostics )
00028 {
00029   ostream <<  std::fixed;
00030   ostream << "hz : " << diagnostics.hz;
00031   ostream << ", min : " << diagnostics.minimum_interval;
00032   ostream << ", max : " << diagnostics.maximum_interval;
00033   ostream << ", last_incoming : " << diagnostics.last_incoming << std::scientific;
00034   // could print the others, but that would require use of std ios flags to pretty print correctly.
00035   // let the user do that how they wish if they want to
00036   return ostream;
00037 }
00038 
00039 /*****************************************************************************
00040 ** Tests
00041 *****************************************************************************/
00042 
00043 TEST(FrequencyMonitorTests,silent) {
00044 
00045   ecl::FrequencyMonitor monitor(0.5, true);
00046   ecl::FrequencyDiagnostics diagnostics;
00047 
00048   ecl::MilliSleep sleep_ms;
00049   unsigned int period = 100;
00050 
00051 //  std::cout << "\n**********************************************************" << std::endl;
00052 //  std::cout << "* Frequency Monitor Test" << std::endl;
00053 //  std::cout << "**********************************************************\n" << std::endl;
00054   float epsilon = 0.3;
00055   for ( unsigned int i = 0; i < 50; ++i ) {
00056     monitor.update();
00057     diagnostics = monitor.analyse();
00058     if ( i == 25 ) {
00059       period = 200;
00060       std::cout << diagnostics << std::endl;
00061       EXPECT_NEAR(diagnostics.hz, 10.0, epsilon);
00062     }
00063     sleep_ms(period);
00064   }
00065   std::cout << diagnostics << std::endl;
00066   EXPECT_NEAR(diagnostics.hz, 5.0, epsilon);
00067   SUCCEED();
00068 }
00069 
00070 #endif /* ECL_HAS_TIMESTAMP */
00071 
00072 /*****************************************************************************
00073 ** Main program
00074 *****************************************************************************/
00075 
00076 int main(int argc, char **argv) {
00077 
00078   testing::InitGoogleTest(&argc,argv);
00079   return RUN_ALL_TESTS();
00080 }


ecl_time
Author(s): Daniel Stonier
autogenerated on Mon Jul 3 2017 02:21:18