1 files changed, 18 insertions, 4 deletions
diff --git a/test/ruby/envutil.rb b/test/ruby/envutil.rb
index c7ffc41598..0ae5119ff6 100644
--- a/test/ruby/envutil.rb
+++ b/test/ruby/envutil.rb
@@ -287,17 +287,31 @@ module Test
   ensure
     puts [Marshal.dump($!)].pack('m'), "assertions=\#{self._assertions}"
   end
+  class Test::Unit::Runner
+    @@stop_auto_run = true
+  end
 eom
+        args = args.dup
+        $:.each{|l| args.unshift "-I#{l}" }
+        ignore_stderr = opt.delete(:ignore_stderr)
         stdout, stderr, status = EnvUtil.invoke_ruby(args, src, true, true, opt)
         abort = status.coredump? || (status.signaled? && ABORT_SIGNALS.include?(status.termsig))
         assert(!abort, FailDesc[status, stderr])
         self._assertions += stdout[/^assertions=(\d+)/, 1].to_i
         res = Marshal.load(stdout.unpack("m")[0])
-        return unless res
-        res.backtrace.each do |l|
-          l.sub!(/\A-:(\d+)/){"#{file}:#{line + $1.to_i}"}
+        if res
+          res.backtrace.each do |l|
+            l.sub!(/\A-:(\d+)/){"#{file}:#{line + $1.to_i}"}
+          end
+          raise res
+        end
+
+        # really is it succeed?
+        unless ignore_stderr
+          # the body of assert_separately must not output anything to detect errror
+          assert_equal("", stderr, "assert_separately failed with error message")
         end
-        raise res
+        assert_equal(0, status, "assert_separately failed: '#{stderr}'")
       end
 
       def assert_warning(pat, msg = nil)