trick/trick_source/sim_services/Clock/test/TPROCTEClock_test.cpp
2015-07-01 18:21:56 -05:00

100 lines
2.7 KiB
C++

/******************NOTES**********************************************
* The TPRO CTE clock requires special hardware to work. These tests
* ensure that the TPRO class properly handles cases in which no
* hardware is in use.
*
* Listed requirements are under requirement Trick-153 (3.7.1.2)
* Real-time control shall be able to use an external clock source
*********************************************************************/
#include <iostream>
#include <sys/types.h>
#include <signal.h>
#include <map>
#include "gtest/gtest.h"
#include "trick/Clock.hh"
#include "trick/clock_proto.h"
#include "trick/GetTimeOfDayClock.hh"
#include "trick/TPROCTEClock.hh"
#include "trick/BC635Clock.hh"
#include "trick/JobData.hh"
// Stub for message_publish
extern "C" int message_publish(int level, const char * format_msg, ...) { return 0; }
class TPROCTEClockTest : public ::testing::Test {
protected:
Trick::TPROCTEClock proclk;
TPROCTEClockTest() {}
~TPROCTEClockTest() {}
virtual void SetUp() {}
virtual void TearDown() {}
//Trick::RequirementScribe req;
} ;
//std::map< std::string , unsigned int > TPROCTEClockTest::num_reqs;
/* Ensure clock initializes correctly */
TEST_F(TPROCTEClockTest, Initialize) {
//"The TPROCTE clock shall initialize reference time of 0, and all ratios set to 1.");
/* General expected clock initialization */
EXPECT_EQ(proclk.get_rt_clock_ratio() , 1.0);
EXPECT_EQ(proclk.sim_tic_ratio, 1.0);
EXPECT_EQ(proclk.ref_time_tics, 0);
/* TPROCTEClock initialization tests */
EXPECT_STREQ(proclk.get_name() , "TPROCTE");
}
/* Run tests for when no hardware is available */
#ifndef _TPRO_CTE
TEST_F(TPROCTEClockTest, NoHardware) {
//"The TPROCTE clock shall display error messages when attempting to use its functions with no hardware");
long long req_time = rand();
EXPECT_EQ(proclk.clock_init(), -1);
EXPECT_EQ(proclk.wall_clock_time(), 0);
EXPECT_EQ(proclk.clock_spin(req_time), req_time);
EXPECT_EQ(proclk.clock_stop(), 0);
proclk.set_reference(req_time);
EXPECT_EQ(proclk.clock_time(), -req_time);
proclk.adjust_ref_time(req_time);
EXPECT_EQ(proclk.clock_time(), -2*req_time);
}
#endif
/* Ensure generic clock functions work properly */
TEST_F(TPROCTEClockTest, TestRefTimes) {
//"The TPROCTE clock shall provide the ability to adjust the reference time");
long long secs_remainder;
int tics_per_s = 1000000000;
double align_tics_mult = 1.5;
int clock_unit = int((tics_per_s * align_tics_mult)/(proclk.rt_clock_ratio * proclk.sim_tic_ratio));
proclk.sync_to_wall_clock(align_tics_mult, tics_per_s);
secs_remainder = proclk.ref_time_tics% clock_unit;
EXPECT_EQ(secs_remainder, 0);
}