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-rw-r--r--changes/ticket260144
-rw-r--r--src/or/voting_schedule.c2
-rw-r--r--src/test/include.am1
-rw-r--r--src/test/test.c1
-rw-r--r--src/test/test.h1
-rw-r--r--src/test/test_voting_schedule.c64
6 files changed, 73 insertions, 0 deletions
diff --git a/changes/ticket26014 b/changes/ticket26014
new file mode 100644
index 0000000000..9d62ddbba9
--- /dev/null
+++ b/changes/ticket26014
@@ -0,0 +1,4 @@
+ o Minor features (Testing):
+ - Add a unit test for voting_schedule_get_start_of_next_interval().
+ Closes ticket 26014, and helps make unit test coverage more
+ deterministic.
diff --git a/src/or/voting_schedule.c b/src/or/voting_schedule.c
index b7676d5e79..1d66b5e225 100644
--- a/src/or/voting_schedule.c
+++ b/src/or/voting_schedule.c
@@ -39,7 +39,9 @@ voting_schedule_get_start_of_next_interval(time_t now, int interval,
tm.tm_sec = 0;
if (tor_timegm(&tm, &midnight_today) < 0) {
+ // LCOV_EXCL_START
log_warn(LD_BUG, "Ran into an invalid time when trying to find midnight.");
+ // LCOV_EXCL_STOP
}
midnight_tomorrow = midnight_today + (24*60*60);
diff --git a/src/test/include.am b/src/test/include.am
index eb61d74893..43eaf1e239 100644
--- a/src/test/include.am
+++ b/src/test/include.am
@@ -171,6 +171,7 @@ src_test_test_SOURCES = \
src/test/test_util.c \
src/test/test_util_format.c \
src/test/test_util_process.c \
+ src/test/test_voting_schedule.c \
src/test/test_helpers.c \
src/test/test_dns.c \
src/test/testing_common.c \
diff --git a/src/test/test.c b/src/test/test.c
index b1e5345b3c..0ad33ec0c0 100644
--- a/src/test/test.c
+++ b/src/test/test.c
@@ -859,6 +859,7 @@ struct testgroup_t testgroups[] = {
{ "dir/", dir_tests },
{ "dir_handle_get/", dir_handle_get_tests },
{ "dir/md/", microdesc_tests },
+ { "dir/voting-schedule/", voting_schedule_tests },
{ "dos/", dos_tests },
{ "entryconn/", entryconn_tests },
{ "entrynodes/", entrynodes_tests },
diff --git a/src/test/test.h b/src/test/test.h
index 15965ccaf4..0cd0304629 100644
--- a/src/test/test.h
+++ b/src/test/test.h
@@ -265,6 +265,7 @@ extern struct testcase_t tortls_tests[];
extern struct testcase_t util_tests[];
extern struct testcase_t util_format_tests[];
extern struct testcase_t util_process_tests[];
+extern struct testcase_t voting_schedule_tests[];
extern struct testcase_t dns_tests[];
extern struct testcase_t handle_tests[];
extern struct testcase_t sr_tests[];
diff --git a/src/test/test_voting_schedule.c b/src/test/test_voting_schedule.c
new file mode 100644
index 0000000000..df6058b74f
--- /dev/null
+++ b/src/test/test_voting_schedule.c
@@ -0,0 +1,64 @@
+/* Copyright (c) 2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#include "orconfig.h"
+
+#include "or.h"
+#include "voting_schedule.h"
+
+#include "test.h"
+
+static void
+test_voting_schedule_interval_start(void *arg)
+{
+#define next_interval voting_schedule_get_start_of_next_interval
+ (void)arg;
+ char buf[ISO_TIME_LEN+1];
+
+ // Midnight UTC tonight (as I am writing this test)
+ const time_t midnight = 1525651200;
+ format_iso_time(buf, midnight);
+ tt_str_op(buf, OP_EQ, "2018-05-07 00:00:00");
+
+ /* Some simple tests with a 50-minute voting interval */
+
+ tt_i64_op(next_interval(midnight, 3000, 0), OP_EQ,
+ midnight+3000);
+
+ tt_i64_op(next_interval(midnight+100, 3000, 0), OP_EQ,
+ midnight+3000);
+
+ tt_i64_op(next_interval(midnight+3000, 3000, 0), OP_EQ,
+ midnight+6000);
+
+ tt_i64_op(next_interval(midnight+3001, 3000, 0), OP_EQ,
+ midnight+6000);
+
+ /* Make sure that we roll around properly at midnight */
+ tt_i64_op(next_interval(midnight+83000, 3000, 0), OP_EQ,
+ midnight+84000);
+
+ /* We start fresh at midnight UTC, even if there are leftover seconds. */
+ tt_i64_op(next_interval(midnight+84005, 3000, 0), OP_EQ,
+ midnight+86400);
+
+ /* Now try with offsets. (These are only used for test networks.) */
+ tt_i64_op(next_interval(midnight, 3000, 99), OP_EQ,
+ midnight+99);
+
+ tt_i64_op(next_interval(midnight+100, 3000, 99), OP_EQ,
+ midnight+3099);
+
+ done:
+ ;
+#undef next_interval
+}
+
+#define VS(name,flags) \
+ { #name, test_voting_schedule_##name, (flags), NULL, NULL }
+
+struct testcase_t voting_schedule_tests[] = {
+ VS(interval_start, 0),
+ END_OF_TESTCASES
+};
+