From 0bbd60b52348a9c1938d8cce7a1d5aea996e7e1e Mon Sep 17 00:00:00 2001 From: ksss Date: Sun, 21 May 2017 22:55:28 +0900 Subject: IO#sysread should raise error when invalid pos --- test/io.rb | 1 + 1 file changed, 1 insertion(+) (limited to 'test') diff --git a/test/io.rb b/test/io.rb index 02ab038bb..9ce8985f7 100644 --- a/test/io.rb +++ b/test/io.rb @@ -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 -- cgit v1.2.3