add a test for [ruby-dev:31709].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13338 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/ruby/test_marshal.rb b/test/ruby/test_marshal.rb
index f594971e25..91a387dd45 100644
--- a/test/ruby/test_marshal.rb
+++ b/test/ruby/test_marshal.rb
@@ -36,4 +36,12 @@ class TestMarshal < Test::Unit::TestCase
   def test_marshal_cloned_class
     assert_instance_of(StrClone, Marshal.load(Marshal.dump(StrClone.new("abc"))))
   end
+
+  def test_inconsistent_struct
+    TestMarshal.const_set :S, Struct.new(:a)
+    s = Marshal.dump(S.new(1))
+    TestMarshal.instance_eval { remove_const :S }
+    TestMarshal.const_set :S, Class.new
+    assert_raise(TypeError, "[ruby-dev:31709]") { Marshal.load(s) }
+  end
 end