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-rw-r--r--activesupport/test/time_zone_test.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/activesupport/test/time_zone_test.rb b/activesupport/test/time_zone_test.rb
index 99c4310854..ce43c6507d 100644
--- a/activesupport/test/time_zone_test.rb
+++ b/activesupport/test/time_zone_test.rb
@@ -208,6 +208,12 @@ class TimeZoneTest < Test::Unit::TestCase
assert_equal "+0000", ActiveSupport::TimeZone.seconds_to_utc_offset(0, false)
assert_equal "+0500", ActiveSupport::TimeZone.seconds_to_utc_offset(18_000, false)
end
+
+ def test_seconds_to_utc_offset_with_negative_offset
+ assert_equal "-01:00", ActiveSupport::TimeZone.seconds_to_utc_offset(-3_600)
+ assert_equal "-00:59", ActiveSupport::TimeZone.seconds_to_utc_offset(-3_599)
+ assert_equal "-05:30", ActiveSupport::TimeZone.seconds_to_utc_offset(-19_800)
+ end
def test_formatted_offset_positive
zone = ActiveSupport::TimeZone['Moscow']