nobu	2016-06-12 23:20:50 +0900 (Sun, 12 Jun 2016)

  New Revision: 55391

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=55391

  Log:
    dump to stdout
    
    * test/objspace/test_objspace.rb (test_dump_all): dump to stdout
      instead of a string, get rid of hung up.

  Modified files:
    trunk/test/objspace/test_objspace.rb
Index: test/objspace/test_objspace.rb
===================================================================
--- test/objspace/test_objspace.rb	(revision 55390)
+++ test/objspace/test_objspace.rb	(revision 55391)
@@ -308,9 +308,16 @@ class TestObjSpace < Test::Unit::TestCas https://github.com/ruby/ruby/blob/trunk/test/objspace/test_objspace.rb#L308
     end
 
     if defined?(JSON)
-      assert_ruby_status(%w[-rjson -robjspace], "#{<<-"begin;"}\n#{<<-"end;"}")
+      args = [
+        "-rjson", "-",
+        EnvUtil.rubybin,
+        "--disable=gems", "-robjspace", "-eObjectSpace.dump_all(output: :stdout)",
+      ]
+      assert_ruby_status(args, "#{<<~"begin;"}\n#{<<~"end;"}")
       begin;
-        JSON.parse(ObjectSpace.dump_all(output: :string))
+        IO.popen(ARGV) do |f|
+          JSON.load(f)
+        end
       end;
     end
   end

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