test_timebinmgr.c File Reference

#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <math.h>
#include <string.h>
#include <stdio.h>
#include "stub.h"
#include <libgadget/timebinmgr.h>

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Macros
#define	TIMEMAX   1.0
#define	TIMEIC   0.1
#define	OutputListLength   4

Functions
static void	test_conversions (void **state)
static void	test_skip_first (void **state)
static void	test_dloga (void **state)
static int	setup (void *p1, void *p2)
static int	teardown (void *p1, void *p2)
int	main (void)

Variables
double	outs [4] = {TIMEIC, 0.2, 0.8, TIMEMAX}
double	logouts [4]

Macro Definition Documentation

OutputListLength

#define OutputListLength   4

Definition at line 93 of file test_timebinmgr.c.

TIMEIC

#define TIMEIC   0.1

Definition at line 15 of file test_timebinmgr.c.

TIMEMAX

#define TIMEMAX   1.0

Definition at line 14 of file test_timebinmgr.c.

Function Documentation

main()

int main

(

void

)

Definition at line 115 of file test_timebinmgr.c.

               {
    const struct CMUnitTest tests[] = {
        cmocka_unit_test(test_conversions),
        cmocka_unit_test(test_dloga),
        cmocka_unit_test(test_skip_first),
    };
    return cmocka_run_group_tests_mpi(tests, setup, teardown);
}

References setup(), teardown(), test_conversions(), test_dloga(), and test_skip_first().

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setup()

static int setup ( void *  p1, void *  p2  )

static

Definition at line 96 of file test_timebinmgr.c.

{
    int i;
    double OutputListTimes[OutputListLength];
    for(i = 0; i < OutputListLength; i ++) {
        OutputListTimes[i] = outs[i];
        logouts[i] = log(outs[i]);
    }
 
    set_sync_params(OutputListLength, OutputListTimes);
    return 0;
}

References logouts, OutputListLength, outs, and set_sync_params().

Referenced by main().

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teardown()

static int teardown ( void *  p1, void *  p2  )

static

Definition at line 109 of file test_timebinmgr.c.

{
 
    return 0;
}

Referenced by main().

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test_conversions()

static void test_conversions ( void **  state )

static

this function returns the next output time after ti_curr.

Definition at line 21 of file test_timebinmgr.c.

                                            {
 
    setup_sync_points(TIMEIC, TIMEMAX, 0.0, 0);
 
    /*Convert an integer to and from loga*/
    /* double loga_from_ti(unsigned int ti); */
    assert_true(fabs(loga_from_ti(0) - logouts[0]) < 1e-6);
    assert_true(fabs(loga_from_ti(TIMEBASE) - logouts[1]) < 1e-6);
    assert_true(fabs(loga_from_ti(TIMEBASE-1) - (logouts[0] + (logouts[1]-logouts[0])*(TIMEBASE-1)/TIMEBASE)) < 1e-6);
    assert_true(fabs(loga_from_ti(TIMEBASE+1) - (logouts[1] + (logouts[2]-logouts[1])/TIMEBASE)) < 1e-6);
    assert_true(fabs(loga_from_ti(2*TIMEBASE) - logouts[2]) < 1e-6);
    /* unsigned int ti_from_loga(double loga); */
    assert_true(ti_from_loga(logouts[0]) == 0);
    assert_true(ti_from_loga(logouts[1]) == TIMEBASE);
    assert_true(ti_from_loga(logouts[2]) == 2*TIMEBASE);
    double midpt = (logouts[2] + logouts[1])/2;
    assert_true(ti_from_loga(midpt) == TIMEBASE+TIMEBASE/2);
    assert_true(fabs(loga_from_ti(TIMEBASE+TIMEBASE/2)-midpt)< 1e-6);
 
    /*Check behaviour past end*/
    assert_true(ti_from_loga(0) == 3*TIMEBASE);
    assert_true(fabs(loga_from_ti(ti_from_loga(log(0.1))) - log(0.1)) < 1e-6);
 
    assert_int_equal(find_next_sync_point(0)->ti , TIMEBASE);
    assert_int_equal(find_next_sync_point(TIMEBASE)->ti , 2 * TIMEBASE);
    assert_int_equal(find_next_sync_point(TIMEBASE-1)->ti , TIMEBASE);
    assert_int_equal(find_next_sync_point(TIMEBASE+1)->ti , 2*TIMEBASE);
    assert_int_equal(find_next_sync_point(4 * TIMEBASE) , NULL);
 
    assert_int_equal(find_current_sync_point(0)->ti , 0);
    assert_int_equal(find_current_sync_point(TIMEBASE)->ti , TIMEBASE);
    assert_int_equal(find_current_sync_point(-1) , NULL);
    assert_int_equal(find_current_sync_point(TIMEBASE-1) , NULL);
 
    assert_int_equal(find_current_sync_point(0)->write_snapshot, 1);
    assert_int_equal(find_current_sync_point(TIMEBASE)->write_snapshot, 1);
    assert_int_equal(find_current_sync_point(2 * TIMEBASE)->write_snapshot, 1);
    assert_int_equal(find_current_sync_point(3 * TIMEBASE)->write_snapshot, 1);
}

References find_current_sync_point(), find_next_sync_point(), loga_from_ti(), logouts, setup_sync_points(), ti_from_loga(), TIMEBASE, TIMEIC, and TIMEMAX.

Referenced by main().

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test_dloga()

static void test_dloga ( void **  state )

static

Definition at line 71 of file test_timebinmgr.c.

                                      {
 
    setup_sync_points(TIMEIC, TIMEMAX, 0.0, 0);
 
    inttime_t Ti_Current = ti_from_loga(log(0.55));
 
    /* unsigned int dti_from_dloga(double loga); */
    /* double dloga_from_dti(unsigned int ti); */
 
    /*Get dloga from a timebin*/
    /* double get_dloga_for_bin(int timebin); */
    assert_true(fabs(get_dloga_for_bin(0, Ti_Current ))<1e-6);
    assert_true(fabs(get_dloga_for_bin(TIMEBINS, Ti_Current )-(logouts[2]-logouts[1]))<1e-6);
    assert_true(fabs(get_dloga_for_bin(TIMEBINS-2, Ti_Current)-(logouts[2]-logouts[1])/4)<1e-6);
 
    /*Enforce that an integer time is a power of two*/
    /* unsigned int round_down_power_of_two(unsigned int ti); */
    assert_true(round_down_power_of_two(TIMEBASE)==TIMEBASE);
    assert_true(round_down_power_of_two(TIMEBASE+1)==TIMEBASE);
    assert_true(round_down_power_of_two(TIMEBASE-1)==TIMEBASE/2);
}

References get_dloga_for_bin(), logouts, round_down_power_of_two(), setup_sync_points(), ti_from_loga(), TIMEBASE, TIMEBINS, TIMEIC, and TIMEMAX.

Referenced by main().

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test_skip_first()

static void test_skip_first ( void **  state )

static

Definition at line 62 of file test_timebinmgr.c.

                                           {
 
    setup_sync_points(TIMEIC, TIMEMAX, TIMEIC, 0);
    assert_int_equal(find_current_sync_point(0)->write_snapshot, 0);
 
    setup_sync_points(TIMEIC, TIMEMAX, 0.0, 0);
    assert_int_equal(find_current_sync_point(0)->write_snapshot, 1);
}

References find_current_sync_point(), setup_sync_points(), TIMEIC, and TIMEMAX.

Referenced by main().

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Variable Documentation

logouts

double logouts[4]

Definition at line 17 of file test_timebinmgr.c.

Referenced by setup(), test_conversions(), and test_dloga().

outs

double outs[4] = {TIMEIC, 0.2, 0.8, TIMEMAX}

Definition at line 16 of file test_timebinmgr.c.

Referenced by setup().