diff options
Diffstat (limited to 'test/-ext-/wait/test_wait.rb')
-rw-r--r-- | test/-ext-/wait/test_wait.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/-ext-/wait/test_wait.rb b/test/-ext-/wait/test_wait.rb new file mode 100644 index 0000000000..79127c041b --- /dev/null +++ b/test/-ext-/wait/test_wait.rb @@ -0,0 +1,32 @@ +# frozen_string_literal: false +require 'test/unit' + +class TestWait < Test::Unit::TestCase + require '-test-/wait' + + def test_wait_for_valid_fd + IO.pipe do |r,w| + rc = IO.io_wait(w, IO::WRITABLE, nil) + assert_equal IO::WRITABLE, rc + end + end + + def test_wait_for_invalid_fd + r, w = IO.pipe + r.close + + IO.for_fd(w.fileno).close + + assert_raise(Errno::EBADF) do + IO.io_wait(w, IO::WRITABLE, nil) + end + end + + def test_wait_for_closed_pipe + IO.pipe do |r,w| + w.close + rc = IO.io_wait(r, IO::READABLE, nil) + assert_equal IO::READABLE, rc + end + end +end |