Module TimeZoneTestHelpers

# File activesupport/test/time_zone_test_helpers.rb, line 10
def with_env_tz(new_tz = 'US/Eastern')
  old_tz, ENV['TZ'] = ENV['TZ'], new_tz
  yield
ensure
  old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
end

# File activesupport/test/time_zone_test_helpers.rb, line 2
def with_tz_default(tz = nil)
  old_tz = Time.zone
  Time.zone = tz
  yield
ensure
  Time.zone = old_tz
end