Backward compatibility with 3.1 cache storing

1 files changed, 15 insertions, 0 deletions

diff --git a/activesupport/test/caching_test.rb b/activesupport/test/caching_test.rb
index 5488070d8c..3f41f80c3a 100644
--- a/activesupport/test/caching_test.rb
+++ b/activesupport/test/caching_test.rb
@@ -220,6 +220,21 @@ module CacheStoreBehavior
     assert_equal false, @cache.read('foo')
   end
 
+  def test_should_read_cached_numeric_from_previous_rails_versions
+    @old_cache = ActiveSupport::Cache::Entry.create( 1, Time.now )
+    assert_equal( 1, @old_cache.value )
+  end
+
+  def test_should_read_cached_hash_from_previous_rails_versions
+    @old_cache = ActiveSupport::Cache::Entry.create( {}, Time.now )
+    assert_equal( {}, @old_cache.value )
+  end
+
+  def test_should_read_cached_string_from_previous_rails_versions
+    @old_cache = ActiveSupport::Cache::Entry.create( 'string', Time.now )
+    assert_equal( 'string', @old_cache.value )
+  end
+
   def test_read_multi
     @cache.write('foo', 'bar')
     @cache.write('fu', 'baz')