diff options
Diffstat (limited to 'test/ruby/test_io.rb')
-rw-r--r-- | test/ruby/test_io.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb index 3c5dc7671a..0c81f4cb82 100644 --- a/test/ruby/test_io.rb +++ b/test/ruby/test_io.rb @@ -2240,6 +2240,9 @@ class TestIO < Test::Unit::TestCase assert_raise(Errno::ENOENT, Errno::EINVAL) do Class.new(IO).binread("|#{EnvUtil.rubybin} -e puts") end + assert_raise(Errno::ESPIPE) do + IO.read("|echo foo", 1, 1) + end end def test_reopen |