trick/trick_source/sim_services/Clock/test/BC635Clock_test.cpp
Christopher LaChance 6184aa6cd9
Some unit test warnings addressed. (#515)
* Removed purple warnings from unit test compilation.

* "Fixed const corectness bug. Added more warning fixes."

* Fixed warning issue.

* Removed null checking and (char*) casting.

* Changed sizeof parameter to variable from data structure.
2017-11-29 15:35:16 -06:00

91 lines
2.6 KiB
C++

/******************NOTES**********************************************
* The BC635 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 "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, ...) { (void)level; (void)format_msg; return 0; }
class BC635ClockTest : public ::testing::Test {
protected:
Trick::BC635Clock bcclk;
BC635ClockTest() {}
~BC635ClockTest() {}
virtual void SetUp() {}
virtual void TearDown() {}
} ;
/* Ensure clock initializes correctly */
TEST_F(BC635ClockTest, Initialize) {
// "The BC635 clock shall initialize reference time of 0, and all ratios set to 1.");
/* General expected clock initialization */
EXPECT_EQ(bcclk.get_rt_clock_ratio() , 1.0);
EXPECT_EQ(bcclk.sim_tic_ratio, 1.0);
EXPECT_EQ(bcclk.ref_time_tics, 0);
/* BC635 clock initialization tests */
EXPECT_STREQ(bcclk.get_name() , "BC635");
}
/* Run tests for when no hardware is available */
#ifndef _BC635
TEST_F(BC635ClockTest, ErrorMessages) {
//"The BC635 clock shall display error messages when attempting to use its functions with no hardware.");
/* curr_time = 0 always */
long long req_time = rand();
EXPECT_EQ(bcclk.clock_init(), -1);
EXPECT_EQ(bcclk.wall_clock_time(), 0);
EXPECT_EQ(bcclk.clock_spin(req_time), req_time);
EXPECT_EQ(bcclk.clock_stop(), 0);
bcclk.set_reference(req_time);
EXPECT_EQ(bcclk.clock_time(), -req_time);
bcclk.adjust_ref_time(req_time);
EXPECT_EQ(bcclk.clock_time(), -2*req_time);
}
/* Ensure generic clock functions still work when no hardware is available */
TEST_F(BC635ClockTest, TestRefTimes) {
//"The BC635 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)/(bcclk.rt_clock_ratio * bcclk.sim_tic_ratio));
bcclk.sync_to_wall_clock(align_tics_mult, tics_per_s);
secs_remainder = bcclk.ref_time_tics% clock_unit;
EXPECT_EQ(secs_remainder, 0);
}
#endif