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-rw-r--r--absl/time/time_test.cc24
1 files changed, 24 insertions, 0 deletions
diff --git a/absl/time/time_test.cc b/absl/time/time_test.cc
index 37af39d9..9c4709e6 100644
--- a/absl/time/time_test.cc
+++ b/absl/time/time_test.cc
@@ -795,6 +795,30 @@ TEST(Time, FromTM) {
tm.tm_isdst = 1;
t = FromTM(tm, nyc);
EXPECT_EQ("2014-03-09T03:30:42-04:00", absl::FormatTime(t, nyc)); // DST
+
+ // Adjusts tm to refer to a time with a year larger than 2147483647.
+ tm.tm_year = 2147483647 - 1900 + 1;
+ tm.tm_mon = 6 - 1;
+ tm.tm_mday = 28;
+ tm.tm_hour = 1;
+ tm.tm_min = 2;
+ tm.tm_sec = 3;
+ tm.tm_isdst = -1;
+ t = FromTM(tm, absl::UTCTimeZone());
+ EXPECT_EQ("2147483648-06-28T01:02:03+00:00",
+ absl::FormatTime(t, absl::UTCTimeZone()));
+
+ // Adjusts tm to refer to a time with a very large month.
+ tm.tm_year = 2019 - 1900;
+ tm.tm_mon = 2147483647;
+ tm.tm_mday = 28;
+ tm.tm_hour = 1;
+ tm.tm_min = 2;
+ tm.tm_sec = 3;
+ tm.tm_isdst = -1;
+ t = FromTM(tm, absl::UTCTimeZone());
+ EXPECT_EQ("178958989-08-28T01:02:03+00:00",
+ absl::FormatTime(t, absl::UTCTimeZone()));
}
TEST(Time, TMRoundTrip) {