IO#sysread should raise error when invalid pos

2026-06-08 16:11:16 +00:00 · 2017-05-21 22:55:28 +09:00
parent 86edc9ab85
commit 0bbd60b523
2 changed files with 2 additions and 1 deletions
@@ -236,6 +236,7 @@ assert('IO.sysopen, IO#sysread') do
  io.close
  assert_equal "", io.sysread(0)
  assert_raise(IOError) { io.sysread(1) }
+  assert_raise(ArgumentError) { io.sysread(-1) }
  io.closed?
 end