From b58fac9a97bc2cb7256b9ae37dfb82a352e6f85e Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 24 Jan 2016 07:55:05 +0000
Subject: wait readable/writable

* ext/io/wait/wait.c (io_wait_readwrite): [EXPERIMENTAL] allow to
  wait for multiple modes, readable and writable, at once.  the
  arguments may change in the future.  [Feature #12013]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53642 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/io/wait/test_io_wait.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'test')

diff --git a/test/io/wait/test_io_wait.rb b/test/io/wait/test_io_wait.rb
index a19d2a1ea9..7b9edea587 100644
--- a/test/io/wait/test_io_wait.rb
+++ b/test/io/wait/test_io_wait.rb
@@ -134,6 +134,18 @@ class TestIOWait < Test::Unit::TestCase
     assert_raise(IOError) { @w.wait_writable }
   end
 
+  def test_wait_readwrite
+    assert_equal @r.wait(0, :write), @r.wait(0, :read_write)
+  end
+
+  def test_wait_readwrite_timeout
+    assert_equal @w, @w.wait(0.01, :read_write)
+    written = fill_pipe
+    assert_nil @w.wait(0.01, :read_write)
+    @r.read(written)
+    assert_equal @w, @w.wait(0.01, :read_write)
+  end
+
 private
 
   def fill_pipe
-- 
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