diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/io.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/io.rb b/test/io.rb index b654ff213..f1dd7afe8 100644 --- a/test/io.rb +++ b/test/io.rb @@ -181,6 +181,16 @@ assert('IO#write', '15.2.20.5.20') do io = IO.open(IO.sysopen($mrbtest_io_wfname)) assert_equal 0, io.write("") io.close + + io = IO.open(IO.sysopen($mrbtest_io_wfname, "r+"), "r+") + assert_equal 7, io.write("abcdefg") + io.rewind + assert_equal "ab", io.read(2) + assert_equal 3, io.write("123") + io.rewind + assert_equal "ab123fg", io.read + io.close + true end |