diff options
Diffstat (limited to 'contrib/ntp/tests/libntp/timevalops.c')
-rw-r--r-- | contrib/ntp/tests/libntp/timevalops.c | 804 |
1 files changed, 0 insertions, 804 deletions
diff --git a/contrib/ntp/tests/libntp/timevalops.c b/contrib/ntp/tests/libntp/timevalops.c deleted file mode 100644 index 20d589299228..000000000000 --- a/contrib/ntp/tests/libntp/timevalops.c +++ /dev/null @@ -1,804 +0,0 @@ -#include "config.h" - -//some unused features are still in the wrapper, unconverted - -#include "ntp_types.h" -#include "ntp_fp.h" - -#include "timevalops.h" - -#include <math.h> -#include "unity.h" - - -#define TEST_ASSERT_EQUAL_timeval(a, b) { \ - TEST_ASSERT_EQUAL_MESSAGE(a.tv_sec, b.tv_sec, "Field tv_sec"); \ - TEST_ASSERT_EQUAL_MESSAGE(a.tv_usec, b.tv_usec, "Field tv_usec"); \ -} - - -static u_int32 my_tick_to_tsf(u_int32 ticks); -static u_int32 my_tsf_to_tick(u_int32 tsf); - - -// that's it... -typedef struct { - long usec; - u_int32 frac; -} lfpfracdata ; - -struct timeval timeval_init( time_t hi, long lo); -const bool timeval_isValid(struct timeval V); -l_fp l_fp_init(int32 i, u_int32 f); -bool AssertTimevalClose(const struct timeval m, const struct timeval n, const struct timeval limit); -bool AssertFpClose(const l_fp m, const l_fp n, const l_fp limit); - -void setUp(void); -void test_Helpers1(void); -void test_Normalise(void); -void test_SignNoFrac(void); -void test_SignWithFrac(void); -void test_CmpFracEQ(void); -void test_CmpFracGT(void); -void test_CmpFracLT(void); -void test_AddFullNorm(void); -void test_AddFullOflow1(void); -void test_AddUsecNorm(void); -void test_AddUsecOflow1(void); -void test_SubFullNorm(void); -void test_SubFullOflow(void); -void test_SubUsecNorm(void); -void test_SubUsecOflow(void); -void test_Neg(void); -void test_AbsNoFrac(void); -void test_AbsWithFrac(void); -void test_Helpers2(void); -void test_ToLFPbittest(void); -void test_ToLFPrelPos(void); -void test_ToLFPrelNeg(void); -void test_ToLFPabs(void); -void test_FromLFPbittest(void); -void test_FromLFPrelPos(void); -void test_FromLFPrelNeg(void); -void test_LFProundtrip(void); -void test_ToString(void); - - -//**********************************MY CUSTOM FUNCTIONS*********************** - - -void -setUp(void) -{ - init_lib(); - - return; -} - - -struct timeval -timeval_init(time_t hi, long lo) -{ - struct timeval V; - - V.tv_sec = hi; - V.tv_usec = lo; - - return V; -} - - -const bool -timeval_isValid(struct timeval V) -{ - - return V.tv_usec >= 0 && V.tv_usec < 1000000; -} - - -l_fp -l_fp_init(int32 i, u_int32 f) -{ - l_fp temp; - - temp.l_i = i; - temp.l_uf = f; - - return temp; -} - - -bool -AssertTimevalClose(const struct timeval m, const struct timeval n, const struct timeval limit) -{ - struct timeval diff; - - diff = abs_tval(sub_tval(m, n)); - if (cmp_tval(limit, diff) >= 0) - return TRUE; - else - { - printf("m_expr which is %ld.%lu \nand\nn_expr which is %ld.%lu\nare not close; diff=%ld.%luusec\n", m.tv_sec, m.tv_usec, n.tv_sec, n.tv_usec, diff.tv_sec, diff.tv_usec); - //I don't have variables m_expr and n_expr in unity, those are command line arguments which only getst has!!! - - return FALSE; - } -} - - -bool -AssertFpClose(const l_fp m, const l_fp n, const l_fp limit) -{ - l_fp diff; - - if (L_ISGEQ(&m, &n)) { - diff = m; - L_SUB(&diff, &n); - } else { - diff = n; - L_SUB(&diff, &m); - } - if (L_ISGEQ(&limit, &diff)) { - return TRUE; - } - else { - printf("m_expr which is %s \nand\nn_expr which is %s\nare not close; diff=%susec\n", lfptoa(&m, 10), lfptoa(&n, 10), lfptoa(&diff, 10)); - //printf("m_expr which is %d.%d \nand\nn_expr which is %d.%d\nare not close; diff=%d.%dusec\n", m.l_uf, m.Ul_i, n.l_uf, n.Ul_i, diff.l_uf, diff.Ul_i); - return FALSE; - } -} - - -//--------------------------------------------------- - -static const lfpfracdata fdata[] = { - { 0, 0x00000000 }, { 7478, 0x01ea1405 }, - { 22077, 0x05a6d699 }, { 125000, 0x20000000 }, - { 180326, 0x2e29d841 }, { 207979, 0x353e1c9b }, - { 250000, 0x40000000 }, { 269509, 0x44fe8ab5 }, - { 330441, 0x5497c808 }, { 333038, 0x5541fa76 }, - { 375000, 0x60000000 }, { 394734, 0x650d4995 }, - { 446327, 0x72427c7c }, { 500000, 0x80000000 }, - { 517139, 0x846338b4 }, { 571953, 0x926b8306 }, - { 587353, 0x965cc426 }, { 625000, 0xa0000000 }, - { 692136, 0xb12fd32c }, { 750000, 0xc0000000 }, - { 834068, 0xd5857aff }, { 848454, 0xd9344806 }, - { 854222, 0xdaae4b02 }, { 861465, 0xdc88f862 }, - { 875000, 0xe0000000 }, { 910661, 0xe921144d }, - { 922162, 0xec12cf10 }, { 942190, 0xf1335d25 } -}; - - -u_int32 -my_tick_to_tsf(u_int32 ticks) -{ - // convert microseconds to l_fp fractional units, using double - // precision float calculations or, if available, 64bit integer - // arithmetic. This should give the precise fraction, rounded to - // the nearest representation. - -#ifdef HAVE_U_INT64 - return (u_int32)((( ((u_int64)(ticks)) << 32) + 500000) / 1000000); //I put too much () when casting just to be safe -#else - return (u_int32)( ((double)(ticks)) * 4294.967296 + 0.5); -#endif - // And before you ask: if ticks >= 1000000, the result is - // truncated nonsense, so don't use it out-of-bounds. -} - - -u_int32 -my_tsf_to_tick(u_int32 tsf) -{ - // Inverse operation: converts fraction to microseconds. -#ifdef HAVE_U_INT64 - return (u_int32)( ((u_int64)(tsf) * 1000000 + 0x80000000) >> 32); //CHECK ME!!! -#else - return (u_int32)(double(tsf) / 4294.967296 + 0.5); -#endif - // Beware: The result might be 10^6 due to rounding! -} - - -//*******************************END OF CUSTOM FUNCTIONS********************* - - -// --------------------------------------------------------------------- -// test support stuff - part1 -// --------------------------------------------------------------------- - -void -test_Helpers1(void) -{ - struct timeval x; - - for (x.tv_sec = -2; x.tv_sec < 3; x.tv_sec++) { - x.tv_usec = -1; - TEST_ASSERT_FALSE(timeval_isValid(x)); - x.tv_usec = 0; - TEST_ASSERT_TRUE(timeval_isValid(x)); - x.tv_usec = 999999; - TEST_ASSERT_TRUE(timeval_isValid(x)); - x.tv_usec = 1000000; - TEST_ASSERT_FALSE(timeval_isValid(x)); - } - - return; -} - - -//---------------------------------------------------------------------- -// test normalisation -//---------------------------------------------------------------------- - -void -test_Normalise(void) -{ - long ns; - - for (ns = -2000000000; ns <= 2000000000; ns += 10000000) { - struct timeval x = timeval_init(0, ns); - - x = normalize_tval(x); - TEST_ASSERT_TRUE(timeval_isValid(x)); - } - - return; -} - -//---------------------------------------------------------------------- -// test classification -//---------------------------------------------------------------------- - -void -test_SignNoFrac(void) -{ - int i; - - // sign test, no fraction - for (i = -4; i <= 4; ++i) { - struct timeval a = timeval_init(i, 0); - int E = (i > 0) - (i < 0); - int r = test_tval(a); - - TEST_ASSERT_EQUAL(E, r); - } - - return; -} - - -void -test_SignWithFrac(void) -{ - // sign test, with fraction - int i; - - for (i = -4; i <= 4; ++i) { - struct timeval a = timeval_init(i, 10); - int E = (i >= 0) - (i < 0); - int r = test_tval(a); - - TEST_ASSERT_EQUAL(E, r); - } - - return; -} - -//---------------------------------------------------------------------- -// test compare -//---------------------------------------------------------------------- -void -test_CmpFracEQ(void) -{ - int i, j; - - // fractions are equal - for (i = -4; i <= 4; ++i) - for (j = -4; j <= 4; ++j) { - struct timeval a = timeval_init(i, 200); - struct timeval b = timeval_init(j, 200); - int E = (i > j) - (i < j); - int r = cmp_tval_denorm(a, b); - - TEST_ASSERT_EQUAL(E, r); - } - - return; -} - - -void -test_CmpFracGT(void) -{ - // fraction a bigger fraction b - int i, j; - - for (i = -4; i <= 4; ++i) - for (j = -4; j <= 4; ++j) { - struct timeval a = timeval_init( i , 999800); - struct timeval b = timeval_init( j , 200); - int E = (i >= j) - (i < j); - int r = cmp_tval_denorm(a, b); - - TEST_ASSERT_EQUAL(E, r); - } - - return; -} - - -void -test_CmpFracLT(void) -{ - // fraction a less fraction b - int i, j; - - for (i = -4; i <= 4; ++i) - for (j = -4; j <= 4; ++j) { - struct timeval a = timeval_init(i, 200); - struct timeval b = timeval_init(j, 999800); - int E = (i > j) - (i <= j); - int r = cmp_tval_denorm(a, b); - - TEST_ASSERT_EQUAL(E, r); - } - - return; -} - -//---------------------------------------------------------------------- -// Test addition (sum) -//---------------------------------------------------------------------- - -void -test_AddFullNorm(void) -{ - int i, j; - - for (i = -4; i <= 4; ++i) - for (j = -4; j <= 4; ++j) { - struct timeval a = timeval_init(i, 200); - struct timeval b = timeval_init(j, 400); - struct timeval E = timeval_init(i + j, 200 + 400); - struct timeval c; - - c = add_tval(a, b); - TEST_ASSERT_EQUAL_timeval(E, c); - } - - return; -} - - -void -test_AddFullOflow1(void) -{ - int i, j; - - for (i = -4; i <= 4; ++i) - for (j = -4; j <= 4; ++j) { - struct timeval a = timeval_init(i, 200); - struct timeval b = timeval_init(j, 999900); - struct timeval E = timeval_init(i + j + 1, 100); - struct timeval c; - - c = add_tval(a, b); - TEST_ASSERT_EQUAL_timeval(E, c); - } - - return; -} - - -void -test_AddUsecNorm(void) -{ - int i; - - for (i = -4; i <= 4; ++i) { - struct timeval a = timeval_init(i, 200); - struct timeval E = timeval_init(i, 600); - struct timeval c; - - c = add_tval_us(a, 600 - 200); - TEST_ASSERT_EQUAL_timeval(E, c); - } - - return; -} - - -void -test_AddUsecOflow1(void) -{ - int i; - - for (i = -4; i <= 4; ++i) { - struct timeval a = timeval_init(i, 200); - struct timeval E = timeval_init(i + 1, 100); - struct timeval c; - - c = add_tval_us(a, MICROSECONDS - 100); - TEST_ASSERT_EQUAL_timeval(E, c); - } - - return; -} - -//---------------------------------------------------------------------- -// test subtraction (difference) -//---------------------------------------------------------------------- - -void -test_SubFullNorm(void) -{ - int i, j; - - for (i = -4; i <= 4; ++i) - for (j = -4; j <= 4; ++j) { - struct timeval a = timeval_init(i, 600); - struct timeval b = timeval_init(j, 400); - struct timeval E = timeval_init(i - j, 600 - 400); - struct timeval c; - - c = sub_tval(a, b); - TEST_ASSERT_EQUAL_timeval(E, c); - } - - return; -} - - -void -test_SubFullOflow(void) -{ - int i, j; - - for (i = -4; i <= 4; ++i) - for (j = -4; j <= 4; ++j) { - struct timeval a = timeval_init(i, 100); - struct timeval b = timeval_init(j, 999900); - struct timeval E = timeval_init(i - j - 1, 200); - struct timeval c; - - c = sub_tval(a, b); - TEST_ASSERT_EQUAL_timeval(E, c); - } - - return; -} - - -void -test_SubUsecNorm(void) -{ - int i = -4; - - for (i = -4; i <= 4; ++i) { - struct timeval a = timeval_init(i, 600); - struct timeval E = timeval_init(i, 200); - struct timeval c; - - c = sub_tval_us(a, 600 - 200); - TEST_ASSERT_EQUAL_timeval(E, c); - } - - return; -} - - -void -test_SubUsecOflow(void) -{ - int i = -4; - - for (i = -4; i <= 4; ++i) { - struct timeval a = timeval_init(i, 100); - struct timeval E = timeval_init(i - 1, 200); - struct timeval c; - - c = sub_tval_us(a, MICROSECONDS - 100); - TEST_ASSERT_EQUAL_timeval(E, c); - } - - return; -} - -//---------------------------------------------------------------------- -// test negation -//---------------------------------------------------------------------- - -void -test_Neg(void) -{ - int i = -4; - - for (i = -4; i <= 4; ++i) { - struct timeval a = timeval_init(i, 100); - struct timeval b; - struct timeval c; - - b = neg_tval(a); - c = add_tval(a, b); - TEST_ASSERT_EQUAL(0, test_tval(c)); - } - - return; -} - -//---------------------------------------------------------------------- -// test abs value -//---------------------------------------------------------------------- - -void -test_AbsNoFrac(void) -{ - int i = -4; - - for (i = -4; i <= 4; ++i) { - struct timeval a = timeval_init(i, 0); - struct timeval b; - - b = abs_tval(a); - TEST_ASSERT_EQUAL((i != 0), test_tval(b)); - } - - return; -} - - -void -test_AbsWithFrac(void) -{ - int i = -4; - - for (i = -4; i <= 4; ++i) { - struct timeval a = timeval_init(i, 100); - struct timeval b; - - b = abs_tval(a); - TEST_ASSERT_EQUAL(1, test_tval(b)); - } - - return; -} - -// --------------------------------------------------------------------- -// test support stuff -- part 2 -// --------------------------------------------------------------------- - - -void -test_Helpers2(void) -{ - struct timeval limit = timeval_init(0, 2); - struct timeval x, y; - long i; - - for (x.tv_sec = -2; x.tv_sec < 3; x.tv_sec++) { - for (x.tv_usec = 1; - x.tv_usec < 1000000; - x.tv_usec += 499999) { - for (i = -4; i < 5; ++i) { - y = x; - y.tv_usec += i; - if (i >= -2 && i <= 2) { - TEST_ASSERT_TRUE(AssertTimevalClose(x, y, limit));//ASSERT_PRED_FORMAT2(isClose, x, y); - } - else { - TEST_ASSERT_FALSE(AssertTimevalClose(x, y, limit)); - } - } - } - } - - return; -} - -// and the global predicate instances we're using here - -//static l_fp lfpClose = l_fp_init(0, 1); //static AssertFpClose FpClose(0, 1); -//static struct timeval timevalClose = timeval_init(0, 1); //static AssertTimevalClose TimevalClose(0, 1); - -//---------------------------------------------------------------------- -// conversion to l_fp -//---------------------------------------------------------------------- - -void -test_ToLFPbittest(void) -{ - l_fp lfpClose = l_fp_init(0, 1); - - u_int32 i = 0; - for (i = 0; i < 1000000; ++i) { - struct timeval a = timeval_init(1, i); - l_fp E = l_fp_init(1, my_tick_to_tsf(i)); - l_fp r; - - r = tval_intv_to_lfp(a); - TEST_ASSERT_TRUE(AssertFpClose(E, r, lfpClose)); //ASSERT_PRED_FORMAT2(FpClose, E, r); - } - - return; -} - - -void -test_ToLFPrelPos(void) -{ - l_fp lfpClose = l_fp_init(0, 1); - int i = 0; - - for (i = 0; i < COUNTOF(fdata); ++i) { - struct timeval a = timeval_init(1, fdata[i].usec); - l_fp E = l_fp_init(1, fdata[i].frac); - l_fp r; - - r = tval_intv_to_lfp(a); - TEST_ASSERT_TRUE(AssertFpClose(E, r, lfpClose)); - } - - return; -} - - -void -test_ToLFPrelNeg(void) -{ - l_fp lfpClose = l_fp_init(0, 1); - int i = 0; - - for (i = 0; i < COUNTOF(fdata); ++i) { - struct timeval a = timeval_init(-1, fdata[i].usec); - l_fp E = l_fp_init(~0, fdata[i].frac); - l_fp r; - - r = tval_intv_to_lfp(a); - TEST_ASSERT_TRUE(AssertFpClose(E, r, lfpClose)); - } - - return; -} - - -void -test_ToLFPabs(void) -{ - l_fp lfpClose = l_fp_init(0, 1); - int i = 0; - - for (i = 0; i < COUNTOF(fdata); ++i) { - struct timeval a = timeval_init(1, fdata[i].usec); - l_fp E = l_fp_init(1 + JAN_1970, fdata[i].frac); - l_fp r; - - r = tval_stamp_to_lfp(a); - TEST_ASSERT_TRUE(AssertFpClose(E, r, lfpClose)); - } - - return; -} - -//---------------------------------------------------------------------- -// conversion from l_fp -//---------------------------------------------------------------------- - -void -test_FromLFPbittest(void) -{ - struct timeval timevalClose = timeval_init(0, 1); - // Not *exactly* a bittest, because 2**32 tests would take a - // really long time even on very fast machines! So we do test - // every 1000 fractional units. - u_int32 tsf = 0; - - for (tsf = 0; tsf < ~((u_int32)(1000)); tsf += 1000) { - struct timeval E = timeval_init(1, my_tsf_to_tick(tsf)); - l_fp a = l_fp_init(1, tsf); - struct timeval r; - - r = lfp_intv_to_tval(a); - // The conversion might be off by one microsecond when - // comparing to calculated value. - TEST_ASSERT_TRUE(AssertTimevalClose(E, r, timevalClose)); - } - - return; -} - - -void -test_FromLFPrelPos(void) -{ - struct timeval timevalClose = timeval_init(0, 1); - int i = 0; - - for (i = 0; i < COUNTOF(fdata); ++i) { - l_fp a = l_fp_init(1, fdata[i].frac); - struct timeval E = timeval_init(1, fdata[i].usec); - struct timeval r; - - r = lfp_intv_to_tval(a); - TEST_ASSERT_TRUE(AssertTimevalClose(E, r, timevalClose)); - } - - return; -} - - -void -test_FromLFPrelNeg(void) -{ - struct timeval timevalClose = timeval_init(0, 1); - int i = 0; - - for (i = 0; i < COUNTOF(fdata); ++i) { - l_fp a = l_fp_init(~0, fdata[i].frac); - struct timeval E = timeval_init(-1, fdata[i].usec); - struct timeval r; - - r = lfp_intv_to_tval(a); - TEST_ASSERT_TRUE(AssertTimevalClose(E, r, timevalClose)); - } - - return; -} - - -// usec -> frac -> usec roundtrip, using a prime start and increment -void -test_LFProundtrip(void) -{ - int32_t t = -1; - u_int32 i = 5; - - for (t = -1; t < 2; ++t) - for (i = 5; i < 1000000; i += 11) { - struct timeval E = timeval_init(t, i); - l_fp a; - struct timeval r; - - a = tval_intv_to_lfp(E); - r = lfp_intv_to_tval(a); - TEST_ASSERT_EQUAL_timeval(E, r); - } - - return; -} - -//---------------------------------------------------------------------- -// string formatting -//---------------------------------------------------------------------- - -void -test_ToString(void) -{ - static const struct { - time_t sec; - long usec; - const char * repr; - } data [] = { - { 0, 0, "0.000000" }, - { 2, 0, "2.000000" }, - {-2, 0, "-2.000000" }, - { 0, 1, "0.000001" }, - { 0,-1, "-0.000001" }, - { 1,-1, "0.999999" }, - {-1, 1, "-0.999999" }, - {-1,-1, "-1.000001" }, - }; - int i; - - for (i = 0; i < COUNTOF(data); ++i) { - struct timeval a = timeval_init(data[i].sec, data[i].usec); - const char * E = data[i].repr; - const char * r = tvaltoa(a); - - TEST_ASSERT_EQUAL_STRING(E, r); - } - - return; -} - -// -*- EOF -*- |