diff options
Diffstat (limited to 'jni/ruby/test/io/wait')
-rw-r--r-- | jni/ruby/test/io/wait/test_io_wait.rb | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/jni/ruby/test/io/wait/test_io_wait.rb b/jni/ruby/test/io/wait/test_io_wait.rb new file mode 100644 index 0000000..7729d45 --- /dev/null +++ b/jni/ruby/test/io/wait/test_io_wait.rb @@ -0,0 +1,112 @@ +# -*- coding: us-ascii -*- +require 'test/unit' +require 'timeout' +require 'socket' +begin + require 'io/wait' +rescue LoadError +end + +class TestIOWait < Test::Unit::TestCase + + def setup + if /mswin|mingw/ =~ RUBY_PLATFORM + @r, @w = Socket.pair(Socket::AF_INET, Socket::SOCK_STREAM, 0) + else + @r, @w = IO.pipe + end + end + + def teardown + @r.close unless @r.closed? + @w.close unless @w.closed? + end + + def test_nread + assert_equal 0, @r.nread + @w.syswrite "." + sleep 0.1 + assert_equal 1, @r.nread + end + + def test_nread_buffered + @w.syswrite ".\n!" + assert_equal ".\n", @r.gets + assert_equal 1, @r.nread + end + + def test_ready? + refute @r.ready?, "shouldn't ready, but ready" + @w.syswrite "." + sleep 0.1 + assert @r.ready?, "should ready, but not" + end + + def test_buffered_ready? + @w.syswrite ".\n!" + assert_equal ".\n", @r.gets + assert @r.ready? + end + + def test_wait + assert_nil @r.wait(0) + @w.syswrite "." + sleep 0.1 + assert_equal @r, @r.wait(0) + end + + def test_wait_buffered + @w.syswrite ".\n!" + assert_equal ".\n", @r.gets + assert_equal true, @r.wait(0) + end + + def test_wait_forever + th = Thread.new { sleep 0.01; @w.syswrite "." } + assert_equal @r, @r.wait + ensure + th.join + end + + def test_wait_eof + th = Thread.new { sleep 0.01; @w.close } + assert_nil @r.wait + ensure + th.join + end + + def test_wait_writable + assert_equal @w, @w.wait_writable + end + + def test_wait_writable_timeout + assert_equal @w, @w.wait_writable(0.01) + written = fill_pipe + assert_nil @w.wait_writable(0.01) + @r.read(written) + assert_equal @w, @w.wait_writable(0.01) + 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, Errno::EWOULDBLOCK + return written + end while true + end +end if IO.method_defined?(:wait) |