1 files changed, 20 insertions, 0 deletions
diff --git a/test/ruby/test_pipe.rb b/test/ruby/test_pipe.rb
index bcea91bebb..9fa42fd375 100644
--- a/test/ruby/test_pipe.rb
+++ b/test/ruby/test_pipe.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require_relative 'ut_eof'
 
@@ -26,4 +27,23 @@ class TestPipe < Test::Unit::TestCase
       end
     end
   end
+
+  def test_stdout_epipe
+    assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
+    begin;
+      io = STDOUT
+      begin
+        save = io.dup
+        IO.popen("echo", "w", out: IO::NULL) do |f|
+          io.reopen(f)
+          Process.wait(f.pid)
+          assert_raise(Errno::EPIPE) do
+            io.print "foo\n"
+          end
+        end
+      ensure
+        io.reopen(save)
+      end
+    end;
+  end
 end