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Diffstat (limited to 'test/unit/util.c')
| -rw-r--r-- | test/unit/util.c | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/test/unit/util.c b/test/unit/util.c new file mode 100644 index 0000000..052eb31 --- /dev/null +++ b/test/unit/util.c @@ -0,0 +1,372 @@ +/* + ********************************************************************** + * Copyright (C) Miroslav Lichvar 2017-2018 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + ********************************************************************** + */ + +#include <util.c> +#include "test.h" + +void test_unit(void) { + NTP_int64 ntp_ts, ntp_fuzz; + NTP_int32 ntp32_ts; + struct timespec ts, ts2; + struct timeval tv; + double x, y, nan, inf; + Timespec tspec; + Float f; + int i, j, c; + char buf[16], *s, *words[3]; + uid_t uid; + gid_t gid; + struct stat st; + FILE *file; + + for (i = -31; i < 31; i++) { + x = pow(2.0, i); + y = UTI_Log2ToDouble(i); + TEST_CHECK(y / x > 0.99999 && y / x < 1.00001); + } + + for (i = -89; i < 63; i++) { + x = pow(2.0, i); + y = UTI_FloatNetworkToHost(UTI_FloatHostToNetwork(x)); + TEST_CHECK(y / x > 0.99999 && y / x < 1.00001); + } + + for (i = 0; i < 100000; i++) { + x = TST_GetRandomDouble(-1000.0, 1000.0); + y = UTI_FloatNetworkToHost(UTI_FloatHostToNetwork(x)); + TEST_CHECK(y / x > 0.99999 && y / x < 1.00001); + + UTI_GetRandomBytes(&f, sizeof (f)); + x = UTI_FloatNetworkToHost(f); + TEST_CHECK(x > 0.0 || x <= 0.0); + } + + for (i = 0; i < 100000; i++) { + UTI_GetRandomBytes(&ntp32_ts, sizeof (ntp32_ts)); + TEST_CHECK(UTI_DoubleToNtp32(UTI_Ntp32ToDouble(ntp32_ts)) == ntp32_ts); + } + + TEST_CHECK(UTI_DoubleToNtp32(1.0) == htonl(65536)); + TEST_CHECK(UTI_DoubleToNtp32(0.0) == htonl(0)); + TEST_CHECK(UTI_DoubleToNtp32(1.0 / (65536.0)) == htonl(1)); + TEST_CHECK(UTI_DoubleToNtp32(1.000001 / (65536.0)) == htonl(2)); + TEST_CHECK(UTI_DoubleToNtp32(1.000001) == htonl(65537)); + TEST_CHECK(UTI_DoubleToNtp32(1000000) == htonl(0xffffffff)); + TEST_CHECK(UTI_DoubleToNtp32(-1.0) == htonl(0)); + + UTI_DoubleToTimeval(0.4e-6, &tv); + TEST_CHECK(tv.tv_sec == 0); + TEST_CHECK(tv.tv_usec == 0); + UTI_DoubleToTimeval(-0.4e-6, &tv); + TEST_CHECK(tv.tv_sec == 0); + TEST_CHECK(tv.tv_usec == 0); + UTI_DoubleToTimeval(0.5e-6, &tv); + TEST_CHECK(tv.tv_sec == 0); + TEST_CHECK(tv.tv_usec == 1); + UTI_DoubleToTimeval(-0.5e-6, &tv); + TEST_CHECK(tv.tv_sec == -1); + TEST_CHECK(tv.tv_usec == 999999); + + UTI_DoubleToTimespec(0.9e-9, &ts); + TEST_CHECK(ts.tv_sec == 0); + TEST_CHECK(ts.tv_nsec == 0); + UTI_DoubleToTimespec(1.0e-9, &ts); + TEST_CHECK(ts.tv_sec == 0); + TEST_CHECK(ts.tv_nsec == 1); + UTI_DoubleToTimespec(-0.9e-9, &ts); + TEST_CHECK(ts.tv_sec == 0); + TEST_CHECK(ts.tv_nsec == 0); + UTI_DoubleToTimespec(-1.0e-9, &ts); + TEST_CHECK(ts.tv_sec == -1); + TEST_CHECK(ts.tv_nsec == 999999999); + + ntp_ts.hi = htonl(JAN_1970); + ntp_ts.lo = 0xffffffff; + UTI_Ntp64ToTimespec(&ntp_ts, &ts); +#if defined(HAVE_LONG_TIME_T) && NTP_ERA_SPLIT > 0 + TEST_CHECK(ts.tv_sec == 0x100000000LL * (1 + (NTP_ERA_SPLIT - 1) / 0x100000000LL)); +#else + TEST_CHECK(ts.tv_sec == 0); +#endif + TEST_CHECK(ts.tv_nsec == 999999999); + + UTI_AddDoubleToTimespec(&ts, 1e-9, &ts); +#if defined(HAVE_LONG_TIME_T) && NTP_ERA_SPLIT > 0 + TEST_CHECK(ts.tv_sec == 1 + 0x100000000LL * (1 + (NTP_ERA_SPLIT - 1) / 0x100000000LL)); +#else + TEST_CHECK(ts.tv_sec == 1); +#endif + TEST_CHECK(ts.tv_nsec == 0); + + ntp_fuzz.hi = 0; + ntp_fuzz.lo = htonl(0xff1234ff); + + UTI_TimespecToNtp64(&ts, &ntp_ts, &ntp_fuzz); + TEST_CHECK(ntp_ts.hi == htonl(JAN_1970 + 1)); + TEST_CHECK(ntp_ts.lo == ntp_fuzz.lo); + + ts.tv_sec = ts.tv_nsec = 0; + UTI_TimespecToNtp64(&ts, &ntp_ts, &ntp_fuzz); + TEST_CHECK(ntp_ts.hi == 0); + TEST_CHECK(ntp_ts.lo == 0); + + TEST_CHECK(UTI_IsZeroTimespec(&ts)); + TEST_CHECK(UTI_IsZeroNtp64(&ntp_ts)); + + ts.tv_sec = 1; + ntp_ts.hi = htonl(1); + + TEST_CHECK(!UTI_IsZeroTimespec(&ts)); + TEST_CHECK(!UTI_IsZeroNtp64(&ntp_ts)); + + ts.tv_sec = 0; + ntp_ts.hi = 0; + ts.tv_nsec = 1; + ntp_ts.lo = htonl(1); + + TEST_CHECK(!UTI_IsZeroTimespec(&ts)); + TEST_CHECK(!UTI_IsZeroNtp64(&ntp_ts)); + + ntp_ts.hi = 0; + ntp_ts.lo = 0; + + UTI_Ntp64ToTimespec(&ntp_ts, &ts); + TEST_CHECK(UTI_IsZeroTimespec(&ts)); + UTI_TimespecToNtp64(&ts, &ntp_ts, NULL); + TEST_CHECK(UTI_IsZeroNtp64(&ntp_ts)); + + ntp_fuzz.hi = htonl(1); + ntp_fuzz.lo = htonl(3); + ntp_ts.hi = htonl(1); + ntp_ts.lo = htonl(2); + + TEST_CHECK(UTI_CompareNtp64(&ntp_ts, &ntp_ts) == 0); + TEST_CHECK(UTI_CompareNtp64(&ntp_ts, &ntp_fuzz) < 0); + TEST_CHECK(UTI_CompareNtp64(&ntp_fuzz, &ntp_ts) > 0); + + ntp_ts.hi = htonl(0x80000002); + ntp_ts.lo = htonl(2); + + TEST_CHECK(UTI_CompareNtp64(&ntp_ts, &ntp_ts) == 0); + TEST_CHECK(UTI_CompareNtp64(&ntp_ts, &ntp_fuzz) < 0); + TEST_CHECK(UTI_CompareNtp64(&ntp_fuzz, &ntp_ts) > 0); + + ntp_fuzz.hi = htonl(0x90000001); + + TEST_CHECK(UTI_CompareNtp64(&ntp_ts, &ntp_ts) == 0); + TEST_CHECK(UTI_CompareNtp64(&ntp_ts, &ntp_fuzz) < 0); + TEST_CHECK(UTI_CompareNtp64(&ntp_fuzz, &ntp_ts) > 0); + + TEST_CHECK(UTI_IsEqualAnyNtp64(&ntp_ts, &ntp_ts, NULL, NULL)); + TEST_CHECK(UTI_IsEqualAnyNtp64(&ntp_ts, NULL, &ntp_ts, NULL)); + TEST_CHECK(UTI_IsEqualAnyNtp64(&ntp_ts, NULL, NULL, &ntp_ts)); + TEST_CHECK(!UTI_IsEqualAnyNtp64(&ntp_ts, &ntp_fuzz, &ntp_fuzz, &ntp_fuzz)); + + ts.tv_sec = 1; + ts.tv_nsec = 2; + ts2.tv_sec = 1; + ts2.tv_nsec = 3; + + TEST_CHECK(UTI_CompareTimespecs(&ts, &ts) == 0); + TEST_CHECK(UTI_CompareTimespecs(&ts, &ts2) < 0); + TEST_CHECK(UTI_CompareTimespecs(&ts2, &ts) > 0); + + ts2.tv_sec = 2; + + TEST_CHECK(UTI_CompareTimespecs(&ts, &ts) == 0); + TEST_CHECK(UTI_CompareTimespecs(&ts, &ts2) < 0); + TEST_CHECK(UTI_CompareTimespecs(&ts2, &ts) > 0); + + for (i = -32; i <= 32; i++) { + for (j = c = 0; j < 1000; j++) { + UTI_GetNtp64Fuzz(&ntp_fuzz, i); + if (i <= 0) + TEST_CHECK(ntp_fuzz.hi == 0); + if (i < 0) + TEST_CHECK(ntohl(ntp_fuzz.lo) < 1U << (32 + i)); + else if (i < 32) + TEST_CHECK(ntohl(ntp_fuzz.hi) < 1U << i); + if (ntohl(ntp_fuzz.lo) >= 1U << (31 + CLAMP(-31, i, 0))) + c++; + } + + if (i == -32) + TEST_CHECK(c == 0); + else + TEST_CHECK(c > 400 && c < 600); + } + + ts.tv_nsec = 0; + + ts.tv_sec = 10; + TEST_CHECK(!UTI_IsTimeOffsetSane(&ts, -20.0)); + +#ifdef HAVE_LONG_TIME_T + ts.tv_sec = NTP_ERA_SPLIT + (1LL << 32); +#else + ts.tv_sec = 0x7fffffff - MIN_ENDOFTIME_DISTANCE; +#endif + TEST_CHECK(!UTI_IsTimeOffsetSane(&ts, 10.0)); + TEST_CHECK(UTI_IsTimeOffsetSane(&ts, -20.0)); + + UTI_TimespecHostToNetwork(&ts, &tspec); + UTI_TimespecNetworkToHost(&tspec, &ts2); + TEST_CHECK(!UTI_CompareTimespecs(&ts, &ts2)); + + for (i = c = 0; i < 100000; i++) { + j = random() % (sizeof (buf) + 1); + UTI_GetRandomBytes(buf, j); + if (j && buf[j - 1] % 2) + c++; + } + TEST_CHECK(c > 46000 && c < 48000); + + s = UTI_PathToDir("/aaa/bbb/ccc/ddd"); + TEST_CHECK(!strcmp(s, "/aaa/bbb/ccc")); + Free(s); + s = UTI_PathToDir("aaa"); + TEST_CHECK(!strcmp(s, ".")); + Free(s); + s = UTI_PathToDir("/aaaa"); + TEST_CHECK(!strcmp(s, "/")); + Free(s); + + nan = strtod("nan", NULL); + inf = strtod("inf", NULL); + + TEST_CHECK(MIN(2.0, -1.0) == -1.0); + TEST_CHECK(MIN(-1.0, 2.0) == -1.0); + TEST_CHECK(MIN(inf, 2.0) == 2.0); + + TEST_CHECK(MAX(2.0, -1.0) == 2.0); + TEST_CHECK(MAX(-1.0, 2.0) == 2.0); + TEST_CHECK(MAX(inf, 2.0) == inf); + + TEST_CHECK(CLAMP(1.0, -1.0, 2.0) == 1.0); + TEST_CHECK(CLAMP(1.0, 3.0, 2.0) == 2.0); + TEST_CHECK(CLAMP(1.0, inf, 2.0) == 2.0); + TEST_CHECK(CLAMP(1.0, nan, 2.0) == 2.0); + + TEST_CHECK(SQUARE(3.0) == 3.0 * 3.0); + + rmdir("testdir"); + + uid = geteuid(); + gid = getegid(); + + TEST_CHECK(UTI_CreateDirAndParents("testdir", 0700, uid, gid)); + + TST_SuspendLogging(); + TEST_CHECK(UTI_CheckDirPermissions("testdir", 0700, uid, gid)); + TEST_CHECK(!UTI_CheckDirPermissions("testdir", 0300, uid, gid)); + TEST_CHECK(!UTI_CheckDirPermissions("testdir", 0700, uid + 1, gid)); + TEST_CHECK(!UTI_CheckDirPermissions("testdir", 0700, uid, gid + 1)); + TST_ResumeLogging(); + + umask(0); + + unlink("testfile"); + file = UTI_OpenFile(NULL, "testfile", NULL, 'r', 0); + TEST_CHECK(!file); + TEST_CHECK(stat("testfile", &st) < 0); + + file = UTI_OpenFile(NULL, "testfile", NULL, 'w', 0644); + TEST_CHECK(file); + TEST_CHECK(stat("testfile", &st) == 0); + TEST_CHECK((st.st_mode & 0777) == 0644); + fclose(file); + + file = UTI_OpenFile(".", "test", "file", 'W', 0640); + TEST_CHECK(file); + TEST_CHECK(stat("testfile", &st) == 0); + TEST_CHECK((st.st_mode & 0777) == 0640); + fclose(file); + + file = UTI_OpenFile(NULL, "test", "file", 'r', 0); + TEST_CHECK(file); + fclose(file); + + TEST_CHECK(UTI_RenameTempFile(NULL, "testfil", "e", NULL)); + TEST_CHECK(stat("testfil", &st) == 0); + file = UTI_OpenFile(NULL, "testfil", NULL, 'R', 0); + TEST_CHECK(file); + fclose(file); + + TEST_CHECK(UTI_RenameTempFile(NULL, "test", "fil", "file")); + TEST_CHECK(stat("testfile", &st) == 0); + file = UTI_OpenFile(NULL, "testfile", NULL, 'R', 0); + TEST_CHECK(file); + fclose(file); + + TEST_CHECK(UTI_RemoveFile(NULL, "testfile", NULL)); + TEST_CHECK(stat("testfile", &st) < 0); + TEST_CHECK(!UTI_RemoveFile(NULL, "testfile", NULL)); + + assert(sizeof (buf) >= 16); + TEST_CHECK(UTI_HexToBytes("", buf, sizeof (buf)) == 0); + TEST_CHECK(UTI_HexToBytes("0", buf, sizeof (buf)) == 0); + TEST_CHECK(UTI_HexToBytes("00123456789ABCDEF", buf, sizeof (buf)) == 0); + TEST_CHECK(UTI_HexToBytes("00123456789ABCDEF0", buf, 8) == 0); + TEST_CHECK(UTI_HexToBytes("00123456789ABCDEF0", buf, sizeof (buf)) == 9); + TEST_CHECK(memcmp(buf, "\x00\x12\x34\x56\x78\x9A\xBC\xDE\xF0", 9) == 0); + memcpy(buf, "AB123456780001", 15); + TEST_CHECK(UTI_HexToBytes(buf, buf, sizeof (buf)) == 7); + TEST_CHECK(memcmp(buf, "\xAB\x12\x34\x56\x78\x00\x01", 7) == 0); + + TEST_CHECK(UTI_BytesToHex("", 0, buf, 0) == 0); + TEST_CHECK(UTI_BytesToHex("\xAB\x12\x34\x56\x78\x00\x01", 7, buf, 14) == 0); + TEST_CHECK(UTI_BytesToHex("\xAB\x12\x34\x56\x78\x00\x01", 7, buf, 15) == 1); + TEST_CHECK(strcmp(buf, "AB123456780001") == 0); + TEST_CHECK(UTI_BytesToHex("\xAB\x12\x34\x56\x78\x00\x01", 0, buf, 15) == 1); + TEST_CHECK(strcmp(buf, "") == 0); + + TEST_CHECK(snprintf(buf, sizeof (buf), "%s", "") < sizeof (buf)); + TEST_CHECK(UTI_SplitString(buf, words, 3) == 0); + TEST_CHECK(!words[0]); + TEST_CHECK(snprintf(buf, sizeof (buf), "%s", " ") < sizeof (buf)); + TEST_CHECK(UTI_SplitString(buf, words, 3) == 0); + TEST_CHECK(!words[0]); + TEST_CHECK(snprintf(buf, sizeof (buf), "%s", "a \n ") < sizeof (buf)); + TEST_CHECK(UTI_SplitString(buf, words, 3) == 1); + TEST_CHECK(words[0] == buf + 0); + TEST_CHECK(strcmp(words[0], "a") == 0); + TEST_CHECK(snprintf(buf, sizeof (buf), "%s", " a ") < sizeof (buf)); + TEST_CHECK(UTI_SplitString(buf, words, 3) == 1); + TEST_CHECK(words[0] == buf + 2); + TEST_CHECK(strcmp(words[0], "a") == 0); + TEST_CHECK(snprintf(buf, sizeof (buf), "%s", " \n a") < sizeof (buf)); + TEST_CHECK(UTI_SplitString(buf, words, 3) == 1); + TEST_CHECK(words[0] == buf + 4); + TEST_CHECK(strcmp(words[0], "a") == 0); + TEST_CHECK(snprintf(buf, sizeof (buf), "%s", "a b") < sizeof (buf)); + TEST_CHECK(UTI_SplitString(buf, words, 1) == 2); + TEST_CHECK(snprintf(buf, sizeof (buf), "%s", "a b") < sizeof (buf)); + TEST_CHECK(UTI_SplitString(buf, words, 2) == 2); + TEST_CHECK(words[0] == buf + 0); + TEST_CHECK(words[1] == buf + 4); + TEST_CHECK(strcmp(words[0], "a") == 0); + TEST_CHECK(strcmp(words[1], "b") == 0); + TEST_CHECK(snprintf(buf, sizeof (buf), "%s", " a b ") < sizeof (buf)); + TEST_CHECK(UTI_SplitString(buf, words, 3) == 2); + TEST_CHECK(words[0] == buf + 1); + TEST_CHECK(words[1] == buf + 3); + TEST_CHECK(strcmp(words[0], "a") == 0); + TEST_CHECK(strcmp(words[1], "b") == 0); +} |