1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb
index 7576c942a5..30677291f4 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -363,4 +363,10 @@ EOS
     assert_ruby_status(["-e", "GC.stress = true", "-e", "(1..10).lazy.map{}.zip(){}"], bug7507)
     assert_ruby_status(["-e", "GC.stress = true", "-e", "(1..10).lazy.map{}.zip().to_a"], bug7507)
   end
+
+  def test_require_block
+    %i[select reject drop_while take_while].each do |method|
+      assert_raise(ArgumentError){ [].lazy.send(method) }
+    end
+  end
 end