1 files changed, 5 insertions, 0 deletions
diff --git a/test/ruby/test_complex.rb b/test/ruby/test_complex.rb
index a4fe9d4232..a3a7546575 100644
--- a/test/ruby/test_complex.rb
+++ b/test/ruby/test_complex.rb
@@ -220,6 +220,11 @@ class Complex_Test < Test::Unit::TestCase
   def test_polar
     assert_equal([1,2], Complex.polar(1,2).polar)
     assert_equal(Complex.polar(1.0, Math::PI * 2 / 3), Complex.polar(1, Math::PI * 2 / 3))
+
+    assert_in_out_err([], <<-'end;', ['OK'], [])
+      Complex.polar(1, Complex(1, 0))
+      puts :OK
+    end;
   end
 
   def test_uplus