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-rw-r--r--tests/xtime.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/tests/xtime.c b/tests/xtime.c
index c8dc00b..ec499d8 100644
--- a/tests/xtime.c
+++ b/tests/xtime.c
@@ -137,6 +137,24 @@ static bool check_one_xtimegm(const struct tm *tm) {
return ret;
}
+/** Check an overflowing xtimegm() call. */
+static bool check_xtimegm_overflow(const struct tm *tm) {
+ struct tm copy = *tm;
+ time_t time = 123;
+
+ bool ret = true;
+ ret &= bfs_check(xtimegm(&copy, &time) == -1 && errno == EOVERFLOW);
+ ret &= bfs_check(tm_equal(&copy, tm));
+ ret &= bfs_check(time == 123);
+
+ if (!ret) {
+ bfs_diag("xtimegm(): " TM_FORMAT, TM_PRINTF(copy));
+ bfs_diag("(input): " TM_FORMAT, TM_PRINTF(*tm));
+ }
+
+ return ret;
+}
+
/** xtimegm() tests. */
static bool check_xtimegm(void) {
bool ret = true;
@@ -144,7 +162,6 @@ static bool check_xtimegm(void) {
struct tm tm = {
.tm_isdst = -1,
};
- time_t time;
// Check equivalence with mktime()
for (tm.tm_year = 10; tm.tm_year <= 200; tm.tm_year += 10)
@@ -157,17 +174,10 @@ static bool check_xtimegm(void) {
}
// Check integer overflow cases
- tm = (struct tm){ .tm_sec = INT_MAX, .tm_min = INT_MAX };
- ret &= bfs_check(xtimegm(&tm, &time) == -1 && errno == EOVERFLOW);
-
- tm = (struct tm){ .tm_min = INT_MAX, .tm_hour = INT_MAX };
- ret &= bfs_check(xtimegm(&tm, &time) == -1 && errno == EOVERFLOW);
-
- tm = (struct tm){ .tm_hour = INT_MAX, .tm_mday = INT_MAX };
- ret &= bfs_check(xtimegm(&tm, &time) == -1 && errno == EOVERFLOW);
-
- tm = (struct tm){ .tm_mon = INT_MAX, .tm_year = INT_MAX };
- ret &= bfs_check(xtimegm(&tm, &time) == -1 && errno == EOVERFLOW);
+ check_xtimegm_overflow(&(struct tm) { .tm_sec = INT_MAX, .tm_min = INT_MAX });
+ check_xtimegm_overflow(&(struct tm) { .tm_min = INT_MAX, .tm_hour = INT_MAX });
+ check_xtimegm_overflow(&(struct tm) { .tm_hour = INT_MAX, .tm_mday = INT_MAX });
+ check_xtimegm_overflow(&(struct tm) { .tm_mon = INT_MAX, .tm_year = INT_MAX });
return ret;
}