3 files changed, 5 insertions, 35 deletions
diff --git a/activesupport/test/caching_test.rb b/activesupport/test/caching_test.rb
index 5945605f7b..98f3ea7a14 100644
--- a/activesupport/test/caching_test.rb
+++ b/activesupport/test/caching_test.rb
@@ -1047,30 +1047,4 @@ class CacheEntryTest < ActiveSupport::TestCase
     assert_equal value, entry.value
     assert_equal value.bytesize, entry.size
   end
-
-  def test_restoring_version_4beta1_entries
-    version_4beta1_entry = ActiveSupport::Cache::Entry.allocate
-    version_4beta1_entry.instance_variable_set(:@v, "hello")
-    version_4beta1_entry.instance_variable_set(:@x, Time.now.to_i + 60)
-    entry = Marshal.load(Marshal.dump(version_4beta1_entry))
-    assert_equal "hello", entry.value
-    assert_equal false, entry.expired?
-  end
-
-  def test_restoring_compressed_version_4beta1_entries
-    version_4beta1_entry = ActiveSupport::Cache::Entry.allocate
-    version_4beta1_entry.instance_variable_set(:@v, Zlib::Deflate.deflate(Marshal.dump("hello")))
-    version_4beta1_entry.instance_variable_set(:@c, true)
-    entry = Marshal.load(Marshal.dump(version_4beta1_entry))
-    assert_equal "hello", entry.value
-  end
-
-  def test_restoring_expired_version_4beta1_entries
-    version_4beta1_entry = ActiveSupport::Cache::Entry.allocate
-    version_4beta1_entry.instance_variable_set(:@v, "hello")
-    version_4beta1_entry.instance_variable_set(:@x, Time.now.to_i - 1)
-    entry = Marshal.load(Marshal.dump(version_4beta1_entry))
-    assert_equal "hello", entry.value
-    assert_equal true, entry.expired?
-  end
 end
diff --git a/activesupport/test/core_ext/object/itself_test.rb b/activesupport/test/core_ext/object/itself_test.rb
deleted file mode 100644
index 65db0ddf40..0000000000
--- a/activesupport/test/core_ext/object/itself_test.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-require 'abstract_unit'
-require 'active_support/core_ext/object'
-
-class Object::ItselfTest < ActiveSupport::TestCase
-  test 'itself returns self' do
-    object = 'fun'
-    assert_equal object, object.itself
-  end
-end
diff --git a/activesupport/test/safe_buffer_test.rb b/activesupport/test/safe_buffer_test.rb
index efa9d5e61f..4532152996 100644
--- a/activesupport/test/safe_buffer_test.rb
+++ b/activesupport/test/safe_buffer_test.rb
@@ -165,4 +165,9 @@ class SafeBufferTest < ActiveSupport::TestCase
     x = 'foo %{x} bar'.html_safe % { x: 'qux' }
     assert x.html_safe?, 'should be safe'
   end
+
+  test 'Should not affect frozen objects when accessing characters' do
+    x = 'Hello'.html_safe
+    assert_equal x[/a/, 1], nil
+  end
 end