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-rw-r--r--activesupport/test/core_ext/duration_test.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/duration_test.rb b/activesupport/test/core_ext/duration_test.rb
index 240ae3bde0..63934e2433 100644
--- a/activesupport/test/core_ext/duration_test.rb
+++ b/activesupport/test/core_ext/duration_test.rb
@@ -158,6 +158,18 @@ class DurationTest < ActiveSupport::TestCase
assert_equal Date.civil(2017, 1, 3), Date.civil(2017, 1, 1) + 1.day * 2
end
+ def test_date_added_with_multiplied_duration_larger_than_one_month
+ assert_equal Date.civil(2017, 2, 15), Date.civil(2017, 1, 1) + 1.day * 45
+ end
+
+ def test_date_added_with_divided_duration
+ assert_equal Date.civil(2017, 1, 3), Date.civil(2017, 1, 1) + 4.days / 2
+ end
+
+ def test_date_added_with_divided_duration_larger_than_one_month
+ assert_equal Date.civil(2017, 2, 15), Date.civil(2017, 1, 1) + 90.days / 2
+ end
+
def test_plus_with_time
assert_equal 1 + 1.second, 1.second + 1, "Duration + Numeric should == Numeric + Duration"
end