akr	2010-03-11 22:39:42 +0900 (Thu, 11 Mar 2010)

  New Revision: 26875

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=26875

  Log:
    add tests.

  Modified files:
    trunk/test/test_pty.rb

Index: test/test_pty.rb
===================================================================
--- test/test_pty.rb	(revision 26874)
+++ test/test_pty.rb	(revision 26875)
@@ -105,5 +105,23 @@
       assert_equal(0600, s.mode & 0777)
     }
   end
+
+  def test_close_master
+    PTY.open {|master, slave|
+      master.close
+      assert_raise(EOFError) { slave.readpartial(10) }
+    }
+  end
+
+  def test_close_slave
+    PTY.open {|master, slave|
+      slave.close
+      # This exception is platform dependent.
+      assert_raise(
+        EOFError,       # FreeBSD
+        Errno::EIO      # GNU/Linux
+      ) { master.readpartial(10) }
+    }
+  end
 end if defined? PTY
 

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