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91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
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/******************NOTES**********************************************
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* The BC635 clock requires special hardware to work. These tests
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* ensure that the TPRO class properly handles cases in which no
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* hardware is in use.
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*
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* Listed requirements are under requirement Trick-153 (3.7.1.2)
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* Real-time control shall be able to use an external clock source
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*********************************************************************/
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#include <iostream>
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#include <sys/types.h>
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#include <signal.h>
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#include "gtest/gtest.h"
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#include "trick/Clock.hh"
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#include "trick/clock_proto.h"
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#include "trick/GetTimeOfDayClock.hh"
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#include "trick/TPROCTEClock.hh"
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#include "trick/BC635Clock.hh"
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#include "trick/JobData.hh"
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// Stub for message_publish
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extern "C" int message_publish(int level, const char * format_msg, ...) { return 0; }
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class BC635ClockTest : public ::testing::Test {
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protected:
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Trick::BC635Clock bcclk;
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BC635ClockTest() {}
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~BC635ClockTest() {}
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virtual void SetUp() {}
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virtual void TearDown() {}
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} ;
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/* Ensure clock initializes correctly */
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TEST_F(BC635ClockTest, Initialize) {
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// "The BC635 clock shall initialize reference time of 0, and all ratios set to 1.");
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/* General expected clock initialization */
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EXPECT_EQ(bcclk.get_rt_clock_ratio() , 1.0);
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EXPECT_EQ(bcclk.sim_tic_ratio, 1.0);
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EXPECT_EQ(bcclk.ref_time_tics, 0);
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/* BC635 clock initialization tests */
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EXPECT_STREQ(bcclk.get_name() , "BC635");
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}
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/* Run tests for when no hardware is available */
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#ifndef _BC635
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TEST_F(BC635ClockTest, ErrorMessages) {
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//"The BC635 clock shall display error messages when attempting to use its functions with no hardware.");
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/* curr_time = 0 always */
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long long req_time = rand();
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EXPECT_EQ(bcclk.clock_init(), -1);
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EXPECT_EQ(bcclk.wall_clock_time(), 0);
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EXPECT_EQ(bcclk.clock_spin(req_time), req_time);
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EXPECT_EQ(bcclk.clock_stop(), 0);
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bcclk.set_reference(req_time);
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EXPECT_EQ(bcclk.clock_time(), -req_time);
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bcclk.adjust_ref_time(req_time);
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EXPECT_EQ(bcclk.clock_time(), -2*req_time);
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}
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/* Ensure generic clock functions still work when no hardware is available */
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TEST_F(BC635ClockTest, TestRefTimes) {
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//"The BC635 clock shall provide the ability to adjust the reference time");
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long long secs_remainder;
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int tics_per_s = 1000000000;
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double align_tics_mult = 1.5;
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int clock_unit = int((tics_per_s * align_tics_mult)/(bcclk.rt_clock_ratio * bcclk.sim_tic_ratio));
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bcclk.sync_to_wall_clock(align_tics_mult, tics_per_s);
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secs_remainder = bcclk.ref_time_tics% clock_unit;
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EXPECT_EQ(secs_remainder, 0);
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}
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#endif
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