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-rw-r--r--contrib/ntp/tests/libntp/g_timespecops.cpp475
1 files changed, 0 insertions, 475 deletions
diff --git a/contrib/ntp/tests/libntp/g_timespecops.cpp b/contrib/ntp/tests/libntp/g_timespecops.cpp
deleted file mode 100644
index 0cc573f..0000000
--- a/contrib/ntp/tests/libntp/g_timespecops.cpp
+++ /dev/null
@@ -1,475 +0,0 @@
-#include "g_libntptest.h"
-#include "g_timestructs.h"
-
-extern "C" {
-#include <math.h>
-#include "timespecops.h"
-}
-
-#include <string>
-#include <sstream>
-
-using namespace timeStruct;
-
-class timespecTest : public libntptest {
-protected:
- static u_int32 my_tick_to_tsf(u_int32 ticks);
- static u_int32 my_tsf_to_tick(u_int32 tsf);
-
- // that's it...
- struct lfpfracdata {
- long nsec;
- u_int32 frac;
- };
- static const lfpfracdata fdata[];
-};
-
-u_int32
-timespecTest::my_tick_to_tsf(
- u_int32 ticks
- )
-{
- // convert nanoseconds 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) + 500000000) / 1000000000);
-#else
- return u_int32(double(ticks) * 4.294967296 + 0.5);
-#endif
- // And before you ask: if ticks >= 1000000000, the result is
- // truncated nonsense, so don't use it out-of-bounds.
-}
-
-u_int32
-timespecTest::my_tsf_to_tick(
- u_int32 tsf
- )
-{
- // Inverse operation: converts fraction to microseconds.
-#ifdef HAVE_U_INT64
- return u_int32((u_int64(tsf) * 1000000000 + 0x80000000) >> 32);
-#else
- return u_int32(double(tsf) / 4.294967296 + 0.5);
-#endif
- // Beware: The result might be 10^9 due to rounding!
-}
-
-const timespecTest::lfpfracdata timespecTest::fdata [] = {
- { 0, 0x00000000 }, { 2218896, 0x00916ae6 },
- { 16408100, 0x0433523d }, { 125000000, 0x20000000 },
- { 250000000, 0x40000000 }, { 287455871, 0x4996b53d },
- { 375000000, 0x60000000 }, { 500000000, 0x80000000 },
- { 518978897, 0x84dbcd0e }, { 563730222, 0x90509fb3 },
- { 563788007, 0x9054692c }, { 583289882, 0x95527c57 },
- { 607074509, 0x9b693c2a }, { 625000000, 0xa0000000 },
- { 645184059, 0xa52ac851 }, { 676497788, 0xad2ef583 },
- { 678910895, 0xadcd1abb }, { 679569625, 0xadf84663 },
- { 690926741, 0xb0e0932d }, { 705656483, 0xb4a5e73d },
- { 723553854, 0xb93ad34c }, { 750000000, 0xc0000000 },
- { 763550253, 0xc3780785 }, { 775284917, 0xc6791284 },
- { 826190764, 0xd3813ce8 }, { 875000000, 0xe0000000 },
- { 956805507, 0xf4f134a9 }, { 982570733, 0xfb89c16c }
-};
-
-
-// ---------------------------------------------------------------------
-// test support stuff -- part 1
-// ---------------------------------------------------------------------
-
-TEST_F(timespecTest, Helpers1) {
- timespec_wrap x;
-
- for (x.V.tv_sec = -2; x.V.tv_sec < 3; x.V.tv_sec++) {
- x.V.tv_nsec = -1;
- ASSERT_FALSE(x.valid());
- x.V.tv_nsec = 0;
- ASSERT_TRUE(x.valid());
- x.V.tv_nsec = 999999999;
- ASSERT_TRUE(x.valid());
- x.V.tv_nsec = 1000000000;
- ASSERT_FALSE(x.valid());
- }
-}
-
-//----------------------------------------------------------------------
-// test normalisation
-//----------------------------------------------------------------------
-
-TEST_F(timespecTest, Normalise) {
- for (long ns = -2000000000; ns <= 2000000000; ns += 10000000) {
- timespec_wrap x(0, ns);
-
- x = normalize_tspec(x);
- ASSERT_TRUE(x.valid());
- }
-}
-
-//----------------------------------------------------------------------
-// test classification
-//----------------------------------------------------------------------
-
-TEST_F(timespecTest, SignNoFrac) {
- // sign test, no fraction
- for (int i = -4; i <= 4; ++i) {
- timespec_wrap a(i, 0);
- int E = (i > 0) - (i < 0);
- int r = test_tspec(a);
-
- ASSERT_EQ(E, r);
- }
-}
-
-TEST_F(timespecTest, SignWithFrac) {
- // sign test, with fraction
- for (int i = -4; i <= 4; ++i) {
- timespec_wrap a(i, 10);
- int E = (i >= 0) - (i < 0);
- int r = test_tspec(a);
- ASSERT_EQ(E, r);
- }
-}
-
-//----------------------------------------------------------------------
-// test compare
-//----------------------------------------------------------------------
-TEST_F(timespecTest, CmpFracEQ) {
- // fractions are equal
- for (int i = -4; i <= 4; ++i)
- for (int j = -4; j <= 4; ++j) {
- timespec_wrap a( i , 200);
- timespec_wrap b( j , 200);
- int E = (i > j) - (i < j);
- int r = cmp_tspec_denorm(a, b);
- ASSERT_EQ(E, r);
- }
-}
-
-TEST_F(timespecTest, CmpFracGT) {
- // fraction a bigger fraction b
- for (int i = -4; i <= 4; ++i)
- for (int j = -4; j <= 4; ++j) {
- timespec_wrap a(i, 999999800);
- timespec_wrap b(j, 200);
- int E = (i >= j) - (i < j);
- int r = cmp_tspec_denorm(a, b);
- ASSERT_EQ(E, r);
- }
-}
-
-TEST_F(timespecTest, CmpFracLT) {
- // fraction a less fraction b
- for (int i = -4; i <= 4; ++i)
- for (int j = -4; j <= 4; ++j) {
- timespec_wrap a(i, 200);
- timespec_wrap b(j, 999999800);
- int E = (i > j) - (i <= j);
- int r = cmp_tspec_denorm(a, b);
- ASSERT_EQ(E, r);
- }
-}
-
-//----------------------------------------------------------------------
-// Test addition (sum)
-//----------------------------------------------------------------------
-
-TEST_F(timespecTest, AddFullNorm) {
- for (int i = -4; i <= 4; ++i)
- for (int j = -4; j <= 4; ++j) {
- timespec_wrap a(i, 200);
- timespec_wrap b(j, 400);
- timespec_wrap E(i + j, 200 + 400);
- timespec_wrap c;
-
- c = add_tspec(a, b);
- ASSERT_EQ(E, c);
- }
-}
-
-TEST_F(timespecTest, AddFullOflow1) {
- for (int i = -4; i <= 4; ++i)
- for (int j = -4; j <= 4; ++j) {
- timespec_wrap a(i, 200);
- timespec_wrap b(j, 999999900);
- timespec_wrap E(i + j + 1, 100);
- timespec_wrap c;
-
- c = add_tspec(a, b);
- ASSERT_EQ(E, c);
- }
-}
-
-TEST_F(timespecTest, AddNsecNorm) {
- for (int i = -4; i <= 4; ++i) {
- timespec_wrap a(i, 200);
- timespec_wrap E(i, 600);
- timespec_wrap c;
-
- c = add_tspec_ns(a, 600 - 200);
- ASSERT_EQ(E, c);
- }
-}
-
-TEST_F(timespecTest, AddNsecOflow1) {
- for (int i = -4; i <= 4; ++i) {
- timespec_wrap a(i, 200);
- timespec_wrap E(i + 1, 100);
- timespec_wrap c;
-
- c = add_tspec_ns(a, NANOSECONDS - 100);
- ASSERT_EQ(E, c);
- }
-}
-
-//----------------------------------------------------------------------
-// test subtraction (difference)
-//----------------------------------------------------------------------
-
-TEST_F(timespecTest, SubFullNorm) {
- for (int i = -4; i <= 4; ++i)
- for (int j = -4; j <= 4; ++j) {
- timespec_wrap a( i , 600);
- timespec_wrap b( j , 400);
- timespec_wrap E(i-j, 200);
- timespec_wrap c;
-
- c = sub_tspec(a, b);
- ASSERT_EQ(E, c);
- }
-}
-
-TEST_F(timespecTest, SubFullOflow) {
- for (int i = -4; i <= 4; ++i)
- for (int j = -4; j <= 4; ++j) {
- timespec_wrap a( i , 100);
- timespec_wrap b( j , 999999900);
- timespec_wrap E(i-j-1, 200);
- timespec_wrap c;
-
- c = sub_tspec(a, b);
- ASSERT_EQ(E, c);
- }
-}
-
-TEST_F(timespecTest, SubNsecNorm) {
- for (int i = -4; i <= 4; ++i) {
- timespec_wrap a(i, 600);
- timespec_wrap E(i, 200);
- timespec_wrap c;
-
- c = sub_tspec_ns(a, 600 - 200);
- ASSERT_EQ(E, c);
- }
-}
-
-TEST_F(timespecTest, SubNsecOflow) {
- for (int i = -4; i <= 4; ++i) {
- timespec_wrap a( i , 100);
- timespec_wrap E(i-1, 200);
- timespec_wrap c;
-
- c = sub_tspec_ns(a, NANOSECONDS - 100);
- ASSERT_EQ(E, c);
- }
-}
-
-//----------------------------------------------------------------------
-// test negation
-//----------------------------------------------------------------------
-
-TEST_F(timespecTest, Neg) {
- for (int i = -4; i <= 4; ++i) {
- timespec_wrap a(i, 100);
- timespec_wrap b;
- timespec_wrap c;
-
- b = neg_tspec(a);
- c = add_tspec(a, b);
- ASSERT_EQ(0, test_tspec(c));
- }
-}
-
-//----------------------------------------------------------------------
-// test abs value
-//----------------------------------------------------------------------
-
-TEST_F(timespecTest, AbsNoFrac) {
- for (int i = -4; i <= 4; ++i) {
- timespec_wrap a(i , 0);
- timespec_wrap b;
-
- b = abs_tspec(a);
- ASSERT_EQ((i != 0), test_tspec(b));
- }
-}
-
-TEST_F(timespecTest, AbsWithFrac) {
- for (int i = -4; i <= 4; ++i) {
- timespec_wrap a(i, 100);
- timespec_wrap b;
-
- b = abs_tspec(a);
- ASSERT_EQ(1, test_tspec(b));
- }
-}
-
-// ---------------------------------------------------------------------
-// test support stuff -- part 2
-// ---------------------------------------------------------------------
-
-TEST_F(timespecTest, Helpers2) {
- AssertTimespecClose isClose(0, 2);
- timespec_wrap x, y;
-
- for (x.V.tv_sec = -2; x.V.tv_sec < 3; x.V.tv_sec++)
- for (x.V.tv_nsec = 1;
- x.V.tv_nsec < 1000000000;
- x.V.tv_nsec += 499999999) {
- for (long i = -4; i < 5; i++) {
- y = x;
- y.V.tv_nsec += i;
- if (i >= -2 && i <= 2)
- ASSERT_PRED_FORMAT2(isClose, x, y);
- else
- ASSERT_PRED_FORMAT2(!isClose, x, y);
- }
- }
-}
-
-// global predicate instances we're using here
-static AssertFpClose FpClose(0, 1);
-static AssertTimespecClose TimespecClose(0, 2);
-
-//----------------------------------------------------------------------
-// conversion to l_fp
-//----------------------------------------------------------------------
-
-TEST_F(timespecTest, ToLFPbittest) {
- for (u_int32 i = 0; i < 1000000000; i+=1000) {
- timespec_wrap a(1, i);
- l_fp_wrap E(1, my_tick_to_tsf(i));
- l_fp_wrap r;
-
- r = tspec_intv_to_lfp(a);
- ASSERT_PRED_FORMAT2(FpClose, E, r);
- }
-}
-
-TEST_F(timespecTest, ToLFPrelPos) {
- for (int i = 0; i < COUNTOF(fdata); i++) {
- timespec_wrap a(1, fdata[i].nsec);
- l_fp_wrap E(1, fdata[i].frac);
- l_fp_wrap r;
-
- r = tspec_intv_to_lfp(a);
- ASSERT_EQ(E, r);
- }
-}
-
-TEST_F(timespecTest, ToLFPrelNeg) {
- for (int i = 0; i < COUNTOF(fdata); i++) {
- timespec_wrap a(-1, fdata[i].nsec);
- l_fp_wrap E(~0, fdata[i].frac);
- l_fp_wrap r;
-
- r = tspec_intv_to_lfp(a);
- ASSERT_EQ(E, r);
- }
-}
-
-TEST_F(timespecTest, ToLFPabs) {
- for (int i = 0; i < COUNTOF(fdata); i++) {
- timespec_wrap a(1, fdata[i].nsec);
- l_fp_wrap E(1 + JAN_1970, fdata[i].frac);
- l_fp_wrap r;
-
- r = tspec_stamp_to_lfp(a);
- ASSERT_EQ(E, r);
- }
-}
-
-//----------------------------------------------------------------------
-// conversion from l_fp
-//----------------------------------------------------------------------
-TEST_F(timespecTest, FromLFPbittest) {
- // 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.
- for (u_int32 tsf = 0; tsf < ~u_int32(1000); tsf += 1000) {
- timespec_wrap E(1, my_tsf_to_tick(tsf));
- l_fp_wrap a(1, tsf);
- timespec_wrap r;
-
- r = lfp_intv_to_tspec(a);
- // The conversion might be off by one nanosecond when
- // comparing to calculated value.
- ASSERT_PRED_FORMAT2(TimespecClose, E, r);
- }
-}
-
-TEST_F(timespecTest, FromLFPrelPos) {
- for (int i = 0; i < COUNTOF(fdata); i++) {
- l_fp_wrap a(1, fdata[i].frac);
- timespec_wrap E(1, fdata[i].nsec);
- timespec_wrap r;
-
- r = lfp_intv_to_tspec(a);
- ASSERT_PRED_FORMAT2(TimespecClose, E, r);
- }
-}
-
-TEST_F(timespecTest, FromLFPrelNeg) {
- for (int i = 0; i < COUNTOF(fdata); i++) {
- l_fp_wrap a(~0, fdata[i].frac);
- timespec_wrap E(-1, fdata[i].nsec);
- timespec_wrap r;
-
- r = lfp_intv_to_tspec(a);
- ASSERT_PRED_FORMAT2(TimespecClose, E, r);
- }
-}
-
-
-// nsec -> frac -> nsec roundtrip, using a prime start and increment
-TEST_F(timespecTest, LFProundtrip) {
- for (int32_t t = -1; t < 2; ++t)
- for (u_int32 i = 4999; i < 1000000000; i+=10007) {
- timespec_wrap E(t, i);
- l_fp_wrap a;
- timespec_wrap r;
-
- a = tspec_intv_to_lfp(E);
- r = lfp_intv_to_tspec(a);
- ASSERT_EQ(E, r);
- }
-}
-
-//----------------------------------------------------------------------
-// string formatting
-//----------------------------------------------------------------------
-
-TEST_F(timespecTest, ToString) {
- static const struct {
- time_t sec;
- long nsec;
- const char * repr;
- } data [] = {
- { 0, 0, "0.000000000" },
- { 2, 0, "2.000000000" },
- {-2, 0, "-2.000000000" },
- { 0, 1, "0.000000001" },
- { 0,-1, "-0.000000001" },
- { 1,-1, "0.999999999" },
- {-1, 1, "-0.999999999" },
- {-1,-1, "-1.000000001" },
- };
- for (int i = 0; i < COUNTOF(data); i++) {
- timespec_wrap a(data[i].sec, data[i].nsec);
- std::string E(data[i].repr);
- std::string r(tspectoa(a));
- ASSERT_EQ(E, r);
- }
-}
-
-// -*- EOF -*-
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