Adding upstream version 4.3.upstream/4.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 744 insertions, 0 deletions

diff --git a/test/unit/util.c b/test/unit/util.c
new file mode 100644
index 0000000..112676d
--- /dev/null
+++ b/test/unit/util.c
@@ -0,0 +1,744 @@
+/*
+ **********************************************************************
+ * Copyright (C) Miroslav Lichvar  2017-2018, 2021
+ * 
+ * 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"
+
+static volatile int handled_signal = 0;
+
+static void
+handle_signal(int signal)
+{
+  handled_signal = signal;
+}
+
+void
+test_unit(void)
+{
+  struct timespec ts, ts2, ts3, ts4;
+  char buf[16], *s, *s2, *words[3];
+  NTP_int64 ntp_ts, ntp_ts2, ntp_fuzz;
+  NTP_int32 ntp32_ts;
+  struct timeval tv;
+  double x, y, nan, inf;
+  IPAddr ip, ip2, ip3;
+  IPSockAddr ip_saddr;
+  Timespec tspec;
+  Float f;
+  int i, j, c;
+  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);
+  }
+
+  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);
+
+  ntp_ts.hi = htonl(JAN_1970 - 1);
+  ntp_ts.lo = htonl(0xffffffff);
+  ntp_ts2.hi = htonl(JAN_1970 + 1);
+  ntp_ts2.lo = htonl(0x80000000);
+  TEST_CHECK(fabs(UTI_DiffNtp64ToDouble(&ntp_ts, &ntp_ts2) + 1.5) < 1e-9);
+  TEST_CHECK(fabs(UTI_DiffNtp64ToDouble(&ntp_ts2, &ntp_ts) - 1.5) < 1e-9);
+
+  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 = 1;
+  UTI_ZeroTimespec(&ts);
+  TEST_CHECK(ts.tv_sec == 0);
+  TEST_CHECK(ts.tv_nsec == 0);
+  TEST_CHECK(UTI_IsZeroTimespec(&ts));
+
+  ntp_ts.hi = ntp_ts.lo == 1;
+  UTI_ZeroNtp64(&ntp_ts);
+  TEST_CHECK(ntp_ts.hi == 0);
+  TEST_CHECK(ntp_ts.lo == 0);
+
+  tv.tv_sec = tv.tv_usec = 1;
+  UTI_TimevalToTimespec(&tv, &ts);
+  TEST_CHECK(ts.tv_sec == 1);
+  TEST_CHECK(ts.tv_nsec == 1000);
+
+  UTI_TimespecToTimeval(&ts, &tv);
+  TEST_CHECK(tv.tv_sec == 1);
+  TEST_CHECK(tv.tv_usec == 1);
+
+  ts.tv_sec = 1;
+  ts.tv_nsec = 500000000;
+  TEST_CHECK(fabs(UTI_TimespecToDouble(&ts) - 1.5) < 1.0e-15);
+
+  UTI_DoubleToTimespec(2.75, &ts);
+  TEST_CHECK(ts.tv_sec == 2);
+  TEST_CHECK(ts.tv_nsec == 750000000);
+
+  ts.tv_sec = 1;
+  ts.tv_nsec = 1200000000;
+  UTI_NormaliseTimespec(&ts);
+  TEST_CHECK(ts.tv_sec == 2);
+  TEST_CHECK(ts.tv_nsec == 200000000);
+
+  ts.tv_sec = 1;
+  ts.tv_nsec = -200000000;
+  UTI_NormaliseTimespec(&ts);
+  TEST_CHECK(ts.tv_sec == 0);
+  TEST_CHECK(ts.tv_nsec == 800000000);
+
+  tv.tv_sec = 1;
+  tv.tv_usec = 500000;
+  TEST_CHECK(fabs(UTI_TimevalToDouble(&tv) - 1.5) < 1.0e-15);
+
+  UTI_DoubleToTimeval(2.75, &tv);
+  TEST_CHECK(tv.tv_sec == 2);
+  TEST_CHECK(tv.tv_usec == 750000);
+
+  tv.tv_sec = 1;
+  tv.tv_usec = 1200000;
+  UTI_NormaliseTimeval(&tv);
+  TEST_CHECK(tv.tv_sec == 2);
+  TEST_CHECK(tv.tv_usec == 200000);
+
+  tv.tv_sec = 1;
+  tv.tv_usec = -200000;
+  UTI_NormaliseTimeval(&tv);
+  TEST_CHECK(tv.tv_sec == 0);
+  TEST_CHECK(tv.tv_usec == 800000);
+
+  UTI_ZeroTimespec(&ts);
+  UTI_TimespecToNtp64(&ts, &ntp_ts, &ntp_fuzz);
+  TEST_CHECK(ntp_ts.hi == 0);
+  TEST_CHECK(ntp_ts.lo == 0);
+
+  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);
+
+  ts.tv_sec = 2;
+  ts.tv_nsec = 250000000;
+  ts2.tv_sec = 1;
+  ts2.tv_nsec = 750000000;
+  UTI_DiffTimespecs(&ts3, &ts, &ts2);
+  TEST_CHECK(ts3.tv_sec == 0);
+  TEST_CHECK(ts3.tv_nsec == 500000000);
+  TEST_CHECK(fabs(UTI_DiffTimespecsToDouble(&ts, &ts2) - 0.5) < 1.0e-15);
+
+  ts.tv_sec = 2;
+  ts.tv_nsec = 250000000;
+  ts2.tv_sec = 3;
+  ts2.tv_nsec = 750000000;
+  UTI_DiffTimespecs(&ts3, &ts, &ts2);
+  TEST_CHECK(ts3.tv_sec == -2);
+  TEST_CHECK(ts3.tv_nsec == 500000000);
+  TEST_CHECK(fabs(UTI_DiffTimespecsToDouble(&ts, &ts2) - -1.5) < 1.0e-15);
+
+  ts.tv_sec = 2;
+  ts.tv_nsec = 250000000;
+  UTI_AddDoubleToTimespec(&ts, 2.5, &ts2);
+  TEST_CHECK(ts2.tv_sec == 4);
+  TEST_CHECK(ts2.tv_nsec == 750000000);
+
+  ts.tv_sec = 4;
+  ts.tv_nsec = 500000000;
+  ts2.tv_sec = 1;
+  ts2.tv_nsec = 750000000;
+  UTI_AverageDiffTimespecs(&ts, &ts2, &ts3, &x);
+  TEST_CHECK(ts3.tv_sec == 3);
+  TEST_CHECK(ts3.tv_nsec == 125000000);
+  TEST_CHECK(x == -2.75);
+
+  ts.tv_sec = 4;
+  ts.tv_nsec = 500000000;
+  ts2.tv_sec = 1;
+  ts2.tv_nsec = 750000000;
+  ts3.tv_sec = 5;
+  ts3.tv_nsec = 250000000;
+  UTI_AddDiffToTimespec(&ts, &ts2, &ts3, &ts4);
+  TEST_CHECK(ts4.tv_sec == 8);
+  TEST_CHECK(ts4.tv_nsec == 0);
+
+  ts.tv_sec = 1600000000;
+  ts.tv_nsec = 123;
+  s = UTI_TimespecToString(&ts);
+  TEST_CHECK(strcmp(s, "1600000000.000000123") == 0);
+
+  ntp_ts.hi = 1;
+  ntp_ts.hi = 2;
+  UTI_Ntp64ToTimespec(&ntp_ts, &ts);
+  s = UTI_Ntp64ToString(&ntp_ts);
+  s2 = UTI_TimespecToString(&ts);
+  TEST_CHECK(strcmp(s, s2) == 0);
+
+  s = UTI_RefidToString(0x41424344);
+  TEST_CHECK(strcmp(s, "ABCD") == 0);
+
+  ip.family = IPADDR_UNSPEC;
+  s = UTI_IPToString(&ip);
+  TEST_CHECK(strcmp(s, "[UNSPEC]") == 0);
+  TEST_CHECK(UTI_IPToRefid(&ip) == 0);
+  TEST_CHECK(UTI_IPToHash(&ip) == UTI_IPToHash(&ip));
+
+  ip.family = IPADDR_INET4;
+  ip.addr.in4 = 0x7f010203;
+  s = UTI_IPToString(&ip);
+  TEST_CHECK(strcmp(s, "127.1.2.3") == 0);
+  TEST_CHECK(UTI_IPToRefid(&ip) == 0x7f010203);
+  TEST_CHECK(UTI_IPToHash(&ip) == UTI_IPToHash(&ip));
+
+  ip.family = IPADDR_INET6;
+  memset(&ip.addr.in6, 0, sizeof (ip.addr.in6));
+  ip.addr.in6[0] = 0xab;
+  ip.addr.in6[15] = 0xcd;
+  s = UTI_IPToString(&ip);
+#ifdef FEAT_IPV6
+  TEST_CHECK(strcmp(s, "ab00::cd") == 0);
+#else
+  TEST_CHECK(strcmp(s, "ab00:0000:0000:0000:0000:0000:0000:00cd") == 0);
+#endif
+  TEST_CHECK(UTI_IPToRefid(&ip) == 0x5f9aa602);
+  TEST_CHECK(UTI_IPToHash(&ip) == UTI_IPToHash(&ip));
+
+  ip.family = IPADDR_ID;
+  ip.addr.id = 12345;
+  s = UTI_IPToString(&ip);
+  TEST_CHECK(strcmp(s, "ID#0000012345") == 0);
+  TEST_CHECK(UTI_IPToRefid(&ip) == 0);
+  TEST_CHECK(UTI_IPToHash(&ip) == UTI_IPToHash(&ip));
+
+  ip.family = IPADDR_UNSPEC + 10;
+  s = UTI_IPToString(&ip);
+  TEST_CHECK(strcmp(s, "[UNKNOWN]") == 0);
+  TEST_CHECK(UTI_IPToRefid(&ip) == 0);
+  TEST_CHECK(UTI_IPToHash(&ip) == UTI_IPToHash(&ip));
+
+  TEST_CHECK(UTI_StringToIP("200.4.5.6", &ip));
+  TEST_CHECK(ip.family == IPADDR_INET4);
+  TEST_CHECK(ip.addr.in4 == 0xc8040506);
+
+#ifdef FEAT_IPV6
+  TEST_CHECK(UTI_StringToIP("1234::7890", &ip));
+  TEST_CHECK(ip.family == IPADDR_INET6);
+  TEST_CHECK(ip.addr.in6[0] == 0x12 && ip.addr.in6[1] == 0x34);
+  TEST_CHECK(ip.addr.in6[2] == 0x00 && ip.addr.in6[13] == 0x00);
+  TEST_CHECK(ip.addr.in6[14] == 0x78 && ip.addr.in6[15] == 0x90);
+#else
+  TEST_CHECK(!UTI_StringToIP("1234::7890", &ip));
+#endif
+
+  TEST_CHECK(!UTI_StringToIP("ID#0000012345", &ip));
+
+  TEST_CHECK(UTI_IsStringIP("1.2.3.4"));
+  TEST_CHECK(!UTI_IsStringIP("127.3.3"));
+  TEST_CHECK(!UTI_IsStringIP("127.3"));
+  TEST_CHECK(!UTI_IsStringIP("127"));
+#ifdef FEAT_IPV6
+  TEST_CHECK(UTI_IsStringIP("1234:5678::aaaa"));
+#else
+  TEST_CHECK(!UTI_IsStringIP("1234:5678::aaaa"));
+#endif
+  TEST_CHECK(!UTI_StringToIP("ID#0000012345", &ip));
+
+  TEST_CHECK(!UTI_StringToIdIP("1.2.3.4", &ip));
+  TEST_CHECK(UTI_StringToIdIP("ID#0000056789", &ip));
+  TEST_CHECK(ip.family == IPADDR_ID);
+  TEST_CHECK(ip.addr.id == 56789);
+
+  for (i = IPADDR_UNSPEC; i <= IPADDR_ID + 1; i++) {
+    ip.family = i;
+    TEST_CHECK(UTI_IsIPReal(&ip) == (i == IPADDR_INET4 || i == IPADDR_INET6));
+  }
+
+  ip.family = IPADDR_UNSPEC;
+  UTI_IPHostToNetwork(&ip, &ip2);
+  TEST_CHECK(ip2.family == htons(IPADDR_UNSPEC));
+  UTI_IPNetworkToHost(&ip2, &ip3);
+  TEST_CHECK(ip3.family == IPADDR_UNSPEC);
+
+  ip.family = IPADDR_INET4;
+  ip.addr.in4 = 0x12345678;
+  UTI_IPHostToNetwork(&ip, &ip2);
+  TEST_CHECK(ip2.family == htons(IPADDR_INET4));
+  TEST_CHECK(ip2.addr.in4 == htonl(0x12345678));
+  UTI_IPNetworkToHost(&ip2, &ip3);
+  TEST_CHECK(ip3.family == IPADDR_INET4);
+  TEST_CHECK(ip3.addr.in4 == 0x12345678);
+
+  ip.family = IPADDR_INET6;
+  for (i = 0; i < 16; i++)
+    ip.addr.in6[i] = i;
+  UTI_IPHostToNetwork(&ip, &ip2);
+  TEST_CHECK(ip2.family == htons(IPADDR_INET6));
+  for (i = 0; i < 16; i++)
+    TEST_CHECK(ip.addr.in6[i] == i);
+  UTI_IPNetworkToHost(&ip2, &ip3);
+  TEST_CHECK(ip3.family == IPADDR_INET6);
+  for (i = 0; i < 16; i++)
+    TEST_CHECK(ip.addr.in6[i] == i);
+
+  ip.family = IPADDR_ID;
+  ip.addr.in4 = 0x87654321;
+  UTI_IPHostToNetwork(&ip, &ip2);
+  TEST_CHECK(ip2.family == htons(IPADDR_ID));
+  TEST_CHECK(ip2.addr.in4 == htonl(0x87654321));
+  UTI_IPNetworkToHost(&ip2, &ip3);
+  TEST_CHECK(ip3.family == IPADDR_ID);
+  TEST_CHECK(ip3.addr.in4 == 0x87654321);
+
+  for (i = 0; i < 16; i++)
+    ip.addr.in6[i] = 0x80;
+  ip2 = ip;
+
+  for (i = IPADDR_UNSPEC; i <= IPADDR_ID; i++) {
+    ip.family = i;
+    ip2.family = i + 1;
+    TEST_CHECK(UTI_CompareIPs(&ip, &ip2, NULL) < 0);
+    TEST_CHECK(UTI_CompareIPs(&ip2, &ip, NULL) > 0);
+    ip2 = ip;
+    ip2.addr.in4++;
+    if (i == IPADDR_UNSPEC) {
+      TEST_CHECK(UTI_CompareIPs(&ip, &ip2, NULL) == 0);
+      TEST_CHECK(UTI_CompareIPs(&ip, &ip2, &ip) == 0);
+    } else {
+      TEST_CHECK(UTI_CompareIPs(&ip, &ip2, NULL) < 0);
+      TEST_CHECK(UTI_CompareIPs(&ip2, &ip, NULL) > 0);
+      if (i == IPADDR_ID) {
+        TEST_CHECK(UTI_CompareIPs(&ip, &ip2, &ip) < 0);
+        TEST_CHECK(UTI_CompareIPs(&ip, &ip2, &ip2) < 0);
+      } else {
+        TEST_CHECK(UTI_CompareIPs(&ip, &ip2, &ip) == 0);
+        TEST_CHECK(UTI_CompareIPs(&ip, &ip2, &ip2) < 0);
+      }
+    }
+  }
+
+  ip_saddr.ip_addr.family = IPADDR_INET4;
+  ip_saddr.ip_addr.addr.in4 = 0x01020304;
+  ip_saddr.port = 12345;
+  s = UTI_IPSockAddrToString(&ip_saddr);
+  TEST_CHECK(strcmp(s, "1.2.3.4:12345") == 0);
+
+  s = UTI_TimeToLogForm(2000000000);
+  TEST_CHECK(strcmp(s, "2033-05-18 03:33:20") == 0);
+
+  ts.tv_sec = 3;
+  ts.tv_nsec = 500000000;
+  ts2.tv_sec = 4;
+  ts2.tv_nsec = 250000000;
+  UTI_AdjustTimespec(&ts, &ts2, &ts3, &x, 2.0, -5.0);
+  TEST_CHECK(fabs(x - 6.5) < 1.0e-15);
+  TEST_CHECK((ts3.tv_sec == 10 && ts3.tv_nsec == 0) ||
+             (ts3.tv_sec == 9 && ts3.tv_nsec == 999999999));
+
+  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);
+  }
+
+  TEST_CHECK(UTI_DoubleToNtp32(-1.0) == htonl(0));
+  TEST_CHECK(UTI_DoubleToNtp32(0.0) == htonl(0));
+  TEST_CHECK(UTI_DoubleToNtp32(1e-9) == htonl(1));
+  TEST_CHECK(UTI_DoubleToNtp32(32768.0) == htonl(0x80000000));
+  TEST_CHECK(UTI_DoubleToNtp32(65536.0) == htonl(0xffffffff));
+  TEST_CHECK(UTI_DoubleToNtp32(65537.0) == htonl(0xffffffff));
+
+  TEST_CHECK(UTI_DoubleToNtp32f28(-1.0) == htonl(0));
+  TEST_CHECK(UTI_DoubleToNtp32f28(0.0) == htonl(0));
+  TEST_CHECK(UTI_DoubleToNtp32f28(1e-9) == htonl(1));
+  TEST_CHECK(UTI_DoubleToNtp32f28(4e-9) == htonl(2));
+  TEST_CHECK(UTI_DoubleToNtp32f28(8.0) == htonl(0x80000000));
+  TEST_CHECK(UTI_DoubleToNtp32f28(16.0) == htonl(0xffffffff));
+  TEST_CHECK(UTI_DoubleToNtp32f28(16.1) == htonl(0xffffffff));
+  TEST_CHECK(UTI_DoubleToNtp32f28(16.1) == htonl(0xffffffff));
+
+  TEST_CHECK(UTI_Ntp32f28ToDouble(htonl(0xffffffff)) >= 65535.999);
+  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_DoubleToNtp32f28(UTI_Ntp32f28ToDouble(ntp32_ts)) == ntp32_ts);
+  }
+
+  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));
+
+  TEST_CHECK(UTI_Log2ToDouble(-1) == 0.5);
+  TEST_CHECK(UTI_Log2ToDouble(0) == 1.0);
+  TEST_CHECK(UTI_Log2ToDouble(1) == 2.0);
+  TEST_CHECK(UTI_Log2ToDouble(-31) < UTI_Log2ToDouble(-30));
+  TEST_CHECK(UTI_Log2ToDouble(-32) == UTI_Log2ToDouble(-31));
+  TEST_CHECK(UTI_Log2ToDouble(30) < UTI_Log2ToDouble(32));
+  TEST_CHECK(UTI_Log2ToDouble(31) == UTI_Log2ToDouble(32));
+
+  UTI_TimespecHostToNetwork(&ts, &tspec);
+#ifdef HAVE_LONG_TIME_T
+  TEST_CHECK(tspec.tv_sec_high == htonl(ts.tv_sec >> 32));
+#else
+  TEST_CHECK(tspec.tv_sec_high == htonl(TV_NOHIGHSEC));
+#endif
+  TEST_CHECK(tspec.tv_sec_low == htonl(ts.tv_sec));
+  TEST_CHECK(tspec.tv_nsec == htonl(ts.tv_nsec));
+  UTI_TimespecNetworkToHost(&tspec, &ts2);
+  TEST_CHECK(!UTI_CompareTimespecs(&ts, &ts2));
+
+  TEST_CHECK(UTI_CmacNameToAlgorithm("AES128") == CMC_AES128);
+  TEST_CHECK(UTI_CmacNameToAlgorithm("AES256") == CMC_AES256);
+  TEST_CHECK(UTI_CmacNameToAlgorithm("NOSUCHCMAC") == CMC_INVALID);
+
+  TEST_CHECK(UTI_HashNameToAlgorithm("MD5") == HSH_MD5);
+  TEST_CHECK(UTI_HashNameToAlgorithm("SHA1") == HSH_SHA1);
+  TEST_CHECK(UTI_HashNameToAlgorithm("SHA256") == HSH_SHA256);
+  TEST_CHECK(UTI_HashNameToAlgorithm("SHA384") == HSH_SHA384);
+  TEST_CHECK(UTI_HashNameToAlgorithm("SHA512") == HSH_SHA512);
+  TEST_CHECK(UTI_HashNameToAlgorithm("SHA3-224") == HSH_SHA3_224);
+  TEST_CHECK(UTI_HashNameToAlgorithm("SHA3-256") == HSH_SHA3_256);
+  TEST_CHECK(UTI_HashNameToAlgorithm("SHA3-384") == HSH_SHA3_384);
+  TEST_CHECK(UTI_HashNameToAlgorithm("SHA3-512") == HSH_SHA3_512);
+  TEST_CHECK(UTI_HashNameToAlgorithm("TIGER") == HSH_TIGER);
+  TEST_CHECK(UTI_HashNameToAlgorithm("WHIRLPOOL") == HSH_WHIRLPOOL);
+  TEST_CHECK(UTI_HashNameToAlgorithm("NOSUCHHASH") == HSH_INVALID);
+
+  i = open("/dev/null", 0);
+  TEST_CHECK(UTI_FdSetCloexec(i));
+  j = fcntl(i, F_GETFD);
+  TEST_CHECK(j & F_GETFD);
+  close(i);
+
+  UTI_SetQuitSignalsHandler(handle_signal, 0);
+  TEST_CHECK(handled_signal == 0);
+  kill(getpid(), SIGPIPE);
+  while (handled_signal == 0)
+    ;
+  TEST_CHECK(handled_signal == SIGPIPE);
+
+  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));
+
+  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));
+
+  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));
+
+  for (i = c = 0; i < 100000; i++) {
+    j = random() % (sizeof (buf) + 1);
+    UTI_GetRandomBytesUrandom(buf, j);
+    if (j && buf[j - 1] % 2)
+      c++;
+    if (random() % 10000 == 0) {
+      UTI_ResetGetRandomFunctions();
+      TEST_CHECK(!urandom_file);
+    }
+  }
+  TEST_CHECK(c > 46000 && c < 48000);
+
+  for (i = c = 0; i < 100000; i++) {
+    j = random() % (sizeof (buf) + 1);
+    UTI_GetRandomBytes(buf, j);
+    if (j && buf[j - 1] % 2)
+      c++;
+    if (random() % 10000 == 0) {
+      UTI_ResetGetRandomFunctions();
+#if HAVE_GETRANDOM
+      TEST_CHECK(getrandom_buf_available == 0);
+#endif
+    }
+  }
+  TEST_CHECK(c > 46000 && c < 48000);
+
+  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);
+}