1 files changed, 25 insertions, 0 deletions
diff --git a/spec/ruby/shared/rational/round.rb b/spec/ruby/shared/rational/round.rb
index 8874daceea..c7a4cc6d07 100644
--- a/spec/ruby/shared/rational/round.rb
+++ b/spec/ruby/shared/rational/round.rb
@@ -68,4 +68,29 @@ describe :rational_round, shared: true do
       Rational(3, 2).round(2_097_171).should == Rational(3, 2)
     end
   end
+
+  ruby_version_is "2.4" do
+    describe "with half option" do
+      it "returns an Integer when precision is not passed" do
+        Rational(10, 4).round(half: :up).should == 3
+        Rational(10, 4).round(half: :down).should == 2
+        Rational(10, 4).round(half: :even).should == 2
+        Rational(-10, 4).round(half: :up).should == -3
+        Rational(-10, 4).round(half: :down).should == -2
+        Rational(-10, 4).round(half: :even).should == -2
+      end
+
+      it "returns a Rational when the precision is greater than 0" do
+        Rational(25, 100).round(1, half: :up).should == Rational(3, 10)
+        Rational(25, 100).round(1, half: :down).should == Rational(1, 5)
+        Rational(25, 100).round(1, half: :even).should == Rational(1, 5)
+        Rational(35, 100).round(1, half: :up).should == Rational(2, 5)
+        Rational(35, 100).round(1, half: :down).should == Rational(3, 10)
+        Rational(35, 100).round(1, half: :even).should == Rational(2, 5)
+        Rational(-25, 100).round(1, half: :up).should == Rational(-3, 10)
+        Rational(-25, 100).round(1, half: :down).should == Rational(-1, 5)
+        Rational(-25, 100).round(1, half: :even).should == Rational(-1, 5)
+      end
+    end
+  end
 end