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-rw-r--r--activesupport/test/core_ext/time_ext_test.rb14
1 files changed, 14 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/time_ext_test.rb b/activesupport/test/core_ext/time_ext_test.rb
index d8bb38621b..1205797fac 100644
--- a/activesupport/test/core_ext/time_ext_test.rb
+++ b/activesupport/test/core_ext/time_ext_test.rb
@@ -107,6 +107,20 @@ class TimeExtCalculationsTest < ActiveSupport::TestCase
end
end
+ def test_sec_fraction
+ time = Time.utc(2016, 4, 23, 0, 0, Rational(1,10000000000))
+ assert_equal Rational(1,10000000000), time.sec_fraction
+
+ time = Time.utc(2016, 4, 23, 0, 0, 0.0000000001)
+ assert_equal 0.0000000001.to_r, time.sec_fraction
+
+ time = Time.utc(2016, 4, 23, 0, 0, 0, Rational(1,10000))
+ assert_equal Rational(1,10000000000), time.sec_fraction
+
+ time = Time.utc(2016, 4, 23, 0, 0, 0, 0.0001)
+ assert_equal 0.0001.to_r / 1000000, time.sec_fraction
+ end
+
def test_beginning_of_day
assert_equal Time.local(2005,2,4,0,0,0), Time.local(2005,2,4,10,10,10).beginning_of_day
with_env_tz 'US/Eastern' do