2 files changed, 27 insertions, 1 deletions
diff --git a/actionpack/test/abstract/layouts_test.rb b/actionpack/test/abstract/layouts_test.rb
index 58795aa327..558a45b87f 100644
--- a/actionpack/test/abstract/layouts_test.rb
+++ b/actionpack/test/abstract/layouts_test.rb
@@ -14,7 +14,10 @@ module AbstractControllerTests
         "layouts/overwrite.erb"         => "Overwrite <%= yield %>",
         "layouts/with_false_layout.erb" => "False Layout <%= yield %>",
         "abstract_controller_tests/layouts/with_string_implied_child.erb" =>
-                                           "With Implied <%= yield %>"
+                                           "With Implied <%= yield %>",
+        "abstract_controller_tests/layouts/with_grand_child_of_implied.erb" =>
+                                           "With Grand Child <%= yield %>"
+
       )]
     end
 
@@ -64,6 +67,10 @@ module AbstractControllerTests
     class WithChildOfImplied < WithStringImpliedChild
     end
 
+    class WithGrandChildOfImplied < WithStringImpliedChild
+      layout nil
+    end
+
     class WithProc < Base
       layout proc { |c| "overwrite" }
 
@@ -299,6 +306,13 @@ module AbstractControllerTests
           assert_equal "With Implied Hello string!", controller.response_body
       end
 
+      test "when a grandchild has nil layout specified, the child has an implied layout, and the " \
+        "parent has specified a layout, use the child controller layout" do
+          controller = WithGrandChildOfImplied.new
+          controller.process(:index)
+          assert_equal "With Grand Child Hello string!", controller.response_body
+      end
+
       test "raises an exception when specifying layout true" do
         assert_raises ArgumentError do
           Object.class_eval do
diff --git a/actionpack/test/template/date_helper_test.rb b/actionpack/test/template/date_helper_test.rb
index f622097b57..c9b8a5bb70 100644
--- a/actionpack/test/template/date_helper_test.rb
+++ b/actionpack/test/template/date_helper_test.rb
@@ -2132,6 +2132,18 @@ class DateHelperTest < ActionView::TestCase
     assert_dom_equal expected, datetime_select("post", "updated_at", { :date_separator => " / ", :datetime_separator => " , ", :time_separator => " - ", :include_seconds => true })
   end
 
+  def test_datetime_select_with_integer
+    @post = Post.new
+    @post.updated_at = 3
+    datetime_select("post", "updated_at")
+  end
+
+  def test_datetime_select_with_infinity # Float
+    @post = Post.new
+    @post.updated_at = (-1.0/0)
+    datetime_select("post", "updated_at")
+  end
+
   def test_datetime_select_with_default_prompt
     @post = Post.new
     @post.updated_at = nil