1 files changed, 10 insertions, 0 deletions
diff --git a/test/socket/test_unix.rb b/test/socket/test_unix.rb
index 36f48c35ed..6efb1d60ee 100644
--- a/test/socket/test_unix.rb
+++ b/test/socket/test_unix.rb
@@ -284,6 +284,16 @@ class TestSocket_UNIXSocket < Test::Unit::TestCase
     File.unlink path if path && File.socket?(path)
   end
 
+  def test_open_nul_byte
+    tmpfile = Tempfile.new("s")
+    path = tmpfile.path
+    tmpfile.close(true)
+    assert_raise(ArgumentError) {UNIXServer.open(path+"\0")}
+    assert_raise(ArgumentError) {UNIXSocket.open(path+"\0")}
+  ensure
+    File.unlink path if path && File.socket?(path)
+  end
+
   def test_addr
     bound_unix_socket(UNIXServer) {|serv, path|
       UNIXSocket.open(path) {|c|