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-rw-r--r--test/io.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/io.rb b/test/io.rb
index 9c7ce741f..b828fef49 100644
--- a/test/io.rb
+++ b/test/io.rb
@@ -321,6 +321,7 @@ end
assert('IO.popen') do
io = IO.popen("ls")
+ assert_true io.close_on_exec?
assert_equal Fixnum, io.pid.class
ls = io.read
assert_equal ls.class, String