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-rw-r--r--src/test/test_voting_schedule.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/test/test_voting_schedule.c b/src/test/test_voting_schedule.c
new file mode 100644
index 0000000000..df6058b74f
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+++ 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
+};
+