1 files changed, 22 insertions, 0 deletions
diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index b47c1e46a9..67d946317d 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -536,6 +536,28 @@ class TestProcess < Test::Unit::TestCase
     }
   end
 
+  def test_execopts_redirect_open_order_normal
+    minfd = 3
+    maxfd = 20
+    with_tmpchdir {|d|
+      opts = {}
+      minfd.upto(maxfd) {|fd| opts[fd] = ["out#{fd}", "w"] }
+      system RUBY, "-e", "#{minfd}.upto(#{maxfd}) {|fd| IO.new(fd).print fd.to_s }", opts
+      minfd.upto(maxfd) {|fd| assert_equal(fd.to_s, File.read("out#{fd}")) }
+    }
+  end
+
+  def test_execopts_redirect_open_order_reverse
+    minfd = 3
+    maxfd = 20
+    with_tmpchdir {|d|
+      opts = {}
+      maxfd.downto(minfd) {|fd| opts[fd] = ["out#{fd}", "w"] }
+      system RUBY, "-e", "#{minfd}.upto(#{maxfd}) {|fd| IO.new(fd).print fd.to_s }", opts
+      minfd.upto(maxfd) {|fd| assert_equal(fd.to_s, File.read("out#{fd}")) }
+    }
+  end
+
   def test_execopts_redirect_pipe
     with_pipe {|r1, w1|
       with_pipe {|r2, w2|