diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_io.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb index b5e9b8ec06..ce1d4c6668 100644 --- a/test/ruby/test_io.rb +++ b/test/ruby/test_io.rb @@ -45,4 +45,19 @@ class TestIO < Test::Unit::TestCase t.close assert_raise(IOError) {t.binmode} end + + def test_pos + t = make_tempfile + + open(t.path, IO::RDWR|IO::CREAT|IO::TRUNC, 0600) do |f| + f.write "Hello" + assert_equal(5, f.pos) + end + open(t.path, IO::RDWR|IO::CREAT|IO::TRUNC, 0600) do |f| + f.sync = true + f.read + f.write "Hello" + assert_equal(5, f.pos) + end + end end |