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-rw-r--r--test/unit/util.c372
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);
+}
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