diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-21 13:40:00 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-21 13:40:00 +0000 |
commit | e786aa711da8e64734d20acfd9c6b8df0b4515c5 (patch) | |
tree | de792c01c3a6f363bc09ec0c3ba4a9c7b709970b /test/io | |
parent | 7d0cabb8f881798da1332becf60096a09fbb6c01 (diff) |
io/wait: add IO#wait_writable method
* ext/io/wait/wait.c (io_wait_writable): this is easier to use than
IO.select for a single IO object and is immune to the
limitations/innefficiency of select() on platforms where poll/ppoll
is available. patched by Eric Wong. [Feature #4646]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37785 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/io')
-rw-r--r-- | test/io/wait/test_io_wait.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/io/wait/test_io_wait.rb b/test/io/wait/test_io_wait.rb index 3cf967e467..676809cfc7 100644 --- a/test/io/wait/test_io_wait.rb +++ b/test/io/wait/test_io_wait.rb @@ -1,3 +1,4 @@ +# -*- coding: us-ascii -*- require 'test/unit' require 'timeout' require 'socket' @@ -69,4 +70,39 @@ class TestIOWait < Test::Unit::TestCase Thread.new { sleep 0.01; @w.close } assert_nil @r.wait end + + def test_wait_writable + assert_equal @w, @w.wait_writable + end + + def test_wait_writable_timeout + assert_equal @w, @w.wait_writable(0.001) + written = fill_pipe + assert_nil @w.wait_writable(0.001) + @r.read(written) + assert_equal @w, @w.wait_writable(0.001) + end + + def test_wait_writable_EPIPE + fill_pipe + @r.close + assert_equal @w, @w.wait_writable + end + + def test_wait_writable_closed + @w.close + assert_raises(IOError) { @w.wait_writable } + end + +private + + def fill_pipe + written = 0 + buf = " " * 4096 + begin + written += @w.write_nonblock(buf) + rescue Errno::EAGAIN + return written + end while true + end end if IO.method_defined?(:wait) |