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-rw-r--r--test/unit/test_tee_input.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/unit/test_tee_input.rb b/test/unit/test_tee_input.rb
index 3b10873..56b8952 100644
--- a/test/unit/test_tee_input.rb
+++ b/test/unit/test_tee_input.rb
@@ -10,7 +10,7 @@ class TestTeeInput < Test::Unit::TestCase
   def setup
     @rs = $/
     @env = {}
-    @rd, @wr = IO.pipe
+    @rd, @wr = UNIXSocket.pair
     @rd.sync = @wr.sync = true
     @start_pid = $$
   end