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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 939d928b3e..8dea36f20e 100644
--- a/activesupport/test/time_zone_test.rb
+++ b/activesupport/test/time_zone_test.rb
@@ -77,6 +77,12 @@ class TimeZoneTest < Test::Unit::TestCase
assert_equal "-0500", zone.formatted_offset(false)
end
+ def test_formatted_offset_zero
+ zone = TimeZone['London']
+ assert_equal "+00:00", zone.formatted_offset
+ assert_equal "UTC", zone.formatted_offset(true, 'UTC')
+ end
+
def test_zone_compare
zone1 = TimeZone['Central Time (US & Canada)'] # offset -0600
zone2 = TimeZone['Eastern Time (US & Canada)'] # offset -0500