modified tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35880 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/test/date/test_date_marshal.rb b/test/date/test_date_marshal.rb
index 2f86a8c8c2..4ea5565716 100644
--- a/test/date/test_date_marshal.rb
+++ b/test/date/test_date_marshal.rb
@@ -24,6 +24,18 @@ class TestDateMarshal < Test::Unit::TestCase
     assert_equal(d, d2)
     assert_equal(d.start, d2.start)
     assert_instance_of(String, d2.to_s)
+
+    d = Date.today
+    a = d.marshal_dump
+    d.freeze
+    assert(d.frozen?)
+    assert_raise(RuntimeError){d.marshal_load(a)}
+
+    d = DateTime.now
+    a = d.marshal_dump
+    d.freeze
+    assert(d.frozen?)
+    assert_raise(RuntimeError){d.marshal_load(a)}
   end
 
 end