mruby-io/test: remove test for internal `IO#_read_buf`
MODIFY
mrbgems/mruby-io/test/io.rb
mrbgems/mruby-io/test/io.rb
@@ -304,29 +304,6 @@ assert('IO.sysopen, IO#syswrite') do
io.close
end
-assert('IO#_read_buf') do
- fd = IO.sysopen $mrbtest_io_rfname
- io = IO.new fd
- def io._buf
- @buf
- end
- msg_len = $mrbtest_io_msg.size
- assert_equal '', io._buf
- assert_equal $mrbtest_io_msg, io._read_buf
- assert_equal $mrbtest_io_msg, io._buf
- assert_equal 'mruby', io.read(5)
- assert_equal 5, io.pos
- assert_equal msg_len - 5, io._buf.size
- assert_equal $mrbtest_io_msg[5,100], io.read
- assert_equal 0, io._buf.size
- assert_raise EOFError do
- io._read_buf
- end
- assert_equal true, io.eof
- assert_equal true, io.eof?
- io.close
-end
-
assert('IO#ungetc') do
io = IO.new(IO.sysopen($mrbtest_io_rfname))
assert_equal 'm', io.getc

mruby-io/test: remove test for internal `IO#_read_buf`