1 files changed, 4 insertions, 2 deletions
diff --git a/test/ruby/test_io_buffer.rb b/test/ruby/test_io_buffer.rb
index 50eb1a08e3..92a81ddd97 100644
--- a/test/ruby/test_io_buffer.rb
+++ b/test/ruby/test_io_buffer.rb
@@ -702,22 +702,24 @@ class TestIOBuffer < Test::Unit::TestCase
     assert_equal IO::Buffer.for("\xce\xcd\xcc\xcb\xce\xcd\xcc\xcb\xce\xcd"), source.dup.not!
   end
 
-  def test_and_raises_on_freed_self
+  def test_operators_raise_on_freed_self
     inner = IO::Buffer.new(IO::Buffer::PAGE_SIZE)
     slice = inner.slice(0, 8)
     inner.free
 
     mask = IO::Buffer.for("ABCDEFGH")
     assert_raise(IO::Buffer::InvalidatedError) { slice & mask }
+    assert_raise(IO::Buffer::InvalidatedError) { slice | mask }
   end
 
-  def test_and_raises_on_freed_mask
+  def test_operators_raise_on_freed_mask
     inner = IO::Buffer.new(IO::Buffer::PAGE_SIZE)
     mask_slice = inner.slice(0, 8)
     inner.free
 
     source = IO::Buffer.for("ABCDEFGH")
     assert_raise(IO::Buffer::InvalidatedError) { source & mask_slice }
+    assert_raise(IO::Buffer::InvalidatedError) { source | mask_slice }
   end
 
   def test_bit_count