diff options
| -rw-r--r-- | mrblib/io.rb | 4 | ||||
| -rw-r--r-- | test/io.rb | 11 |
2 files changed, 15 insertions, 0 deletions
diff --git a/mrblib/io.rb b/mrblib/io.rb index 30eb47404..4d2fda5f3 100644 --- a/mrblib/io.rb +++ b/mrblib/io.rb @@ -141,6 +141,10 @@ class IO seek(i, SEEK_SET) end + def rewind + seek(0, SEEK_SET) + end + def seek(i, whence = SEEK_SET) raise IOError if closed? @pos = sysseek(i, whence) diff --git a/test/io.rb b/test/io.rb index a5ce7e049..a9bdc3e4f 100644 --- a/test/io.rb +++ b/test/io.rb @@ -256,6 +256,17 @@ assert('IO#pos=, IO#seek') do io.closed? end +assert('IO#rewind') do + fd = IO.sysopen $mrbtest_io_rfname + io = IO.new fd + assert_equal 'm', io.getc + assert_equal 1, io.pos + assert_equal 0, io.rewind + assert_equal 0, io.pos + io.close + io.closed? +end + assert('IO#gets') do fd = IO.sysopen $mrbtest_io_rfname io = IO.new fd |