From: Patrick Oppenlander <[email protected]>
---
test/unit/leapdb.c | 92 +++++++++++++++++++++++++++++++++++++++++++
test/unit/leapdb.list | 21 ++++++++++
2 files changed, 113 insertions(+)
create mode 100644 test/unit/leapdb.c
create mode 100644 test/unit/leapdb.list
diff --git a/test/unit/leapdb.c b/test/unit/leapdb.c
new file mode 100644
index 0000000..f3fcaf2
--- /dev/null
+++ b/test/unit/leapdb.c
@@ -0,0 +1,92 @@
+/*
+ **********************************************************************
+ * Copyright (C) Patrick Oppenlander 2023
+ *
+ * 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 <leapdb.c>
+#include "test.h"
+
+struct test_vector {
+ time_t when;
+ int tai_offset;
+ NTP_Leap leap;
+} tests[] = {
+ /* leapdb_test.list is a cut down version of leap-seconds.list */
+ {3439756800, 34, LEAP_InsertSecond}, /* 1 Jan 2009 */
+ {3550089600, 35, LEAP_InsertSecond}, /* 1 Jul 2012 */
+ {3644697600, 36, LEAP_InsertSecond}, /* 1 Jul 2015 */
+ {3692217600, 37, LEAP_InsertSecond}, /* 1 Jan 2017 */
+};
+
+static void
+test_leap_source(NTP_Leap (*fn)(time_t when, int *tai_offset))
+{
+ TEST_CHECK(check_leap_source(fn));
+
+ int prev_tai_offset = 34;
+ for (int i = 0; i < sizeof tests / sizeof tests[0]; ++i) {
+ struct test_vector *t = tests + i;
+
+ NTP_Leap leap;
+ int tai_offset = -1;
+
+ /* One second before leap second */
+ leap = fn(t->when - LEAP_SEC_LIST_OFFSET - 1, &tai_offset);
+ TEST_CHECK(leap == t->leap);
+ TEST_CHECK(tai_offset = prev_tai_offset);
+
+ /* Exactly on leap second */
+ leap = fn(t->when - LEAP_SEC_LIST_OFFSET, &tai_offset);
+ TEST_CHECK(leap == LEAP_Normal);
+ TEST_CHECK(tai_offset == t->tai_offset);
+
+ /* One second after leap second */
+ leap = fn(t->when - LEAP_SEC_LIST_OFFSET + 1, &tai_offset);
+ TEST_CHECK(leap == LEAP_Normal);
+ TEST_CHECK(tai_offset == t->tai_offset);
+
+ prev_tai_offset = t->tai_offset;
+ }
+}
+
+void
+test_unit(void)
+{
+ char conf[][100] = {
+ "leapsectz right/UTC",
+ "leapseclist leapdb.list"
+ };
+
+ CNF_Initialise(0, 0);
+ for (int i = 0; i < sizeof conf / sizeof conf[0]; i++)
+ CNF_ParseLine(NULL, i + 1, conf[i]);
+ LDB_Initialise();
+
+ DEBUG_LOG("testing get_tz_leap");
+ test_leap_source(get_tz_leap);
+
+ DEBUG_LOG("testing get_list_leap");
+ test_leap_source(get_list_leap);
+
+ /* This exercises the twice-per-day logic */
+ DEBUG_LOG("testing LDB_GetLeap");
+ test_leap_source(LDB_GetLeap);
+
+ LDB_Finalise();
+ CNF_Finalise();
+}
diff --git a/test/unit/leapdb.list b/test/unit/leapdb.list
new file mode 100644
index 0000000..861a426
--- /dev/null
+++ b/test/unit/leapdb.list
@@ -0,0 +1,21 @@
+#
+# Cut down version of leap-seconds.list for unit test.
+#
+# Blank lines need to be ignored, so include a few for testing.
+# Whitespace errors on non-blank lines below are copied from the original file.
+#
+
+# Leap second data update time
+#$ 3676924800
+#
+# File update time
+#@ 3928521600
+
+3439756800 34 # 1 Jan 2009
+3550089600 35 # 1 Jul 2012
+3644697600 36 # 1 Jul 2015
+3692217600 37 # 1 Jan 2017
+
+# FIPS 180-1 hash
+# NOTE! this value has not been recomputed for this unit test file.
+#h 16edd0f0 3666784f 37db6bdd e74ced87 59af48f1
--
2.43.0
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