2 files changed, 23 insertions, 13 deletions
diff --git a/actionpack/test/controller/parameters/parameters_permit_test.rb b/actionpack/test/controller/parameters/parameters_permit_test.rb
index b60c5f058d..33a91d72d9 100644
--- a/actionpack/test/controller/parameters/parameters_permit_test.rb
+++ b/actionpack/test/controller/parameters/parameters_permit_test.rb
@@ -8,9 +8,16 @@ class ParametersPermitTest < ActiveSupport::TestCase
   end
 
   setup do
-    @params = ActionController::Parameters.new({ person: {
-      age: "32", name: { first: "David", last: "Heinemeier Hansson" }
-    }})
+    @params = ActionController::Parameters.new(
+      person: {
+        age: '32',
+        name: {
+          first: 'David',
+          last: 'Heinemeier Hansson'
+        },
+        addresses: [{city: 'Chicago', state: 'Illinois'}]
+      }
+    )
 
     @struct_fields = []
     %w(0 1 12).each do |number|
@@ -153,6 +160,18 @@ class ParametersPermitTest < ActiveSupport::TestCase
     assert_equal nil, params[:foo]
   end
 
+  test 'hashes in array values get wrapped' do
+    params = ActionController::Parameters.new(foo: [{}, {}])
+    params[:foo].each do |hash|
+      assert !hash.permitted?
+    end
+  end
+
+  test 'arrays are converted at most once' do
+    params = ActionController::Parameters.new(foo: [{}])
+    assert params[:foo].equal?(params[:foo])
+  end
+
   test "fetch doesnt raise ParameterMissing exception if there is a default" do
     assert_equal "monkey", @params.fetch(:foo, "monkey")
     assert_equal "monkey", @params.fetch(:foo) { "monkey" }
@@ -221,6 +240,7 @@ class ParametersPermitTest < ActiveSupport::TestCase
     assert @params.permitted?
     assert @params[:person].permitted?
     assert @params[:person][:name].permitted?
+    assert @params[:person][:addresses][0].permitted?
   end
 
   test "permitted takes a default value when Parameters.permit_all_parameters is set" do
diff --git a/actionpack/test/controller/parameters/parameters_require_test.rb b/actionpack/test/controller/parameters/parameters_require_test.rb
deleted file mode 100644
index bdaba8d2d8..0000000000
--- a/actionpack/test/controller/parameters/parameters_require_test.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-require 'abstract_unit'
-require 'action_controller/metal/strong_parameters'
-
-class ParametersRequireTest < ActiveSupport::TestCase
-  test "required parameters must be present not merely not nil" do
-    assert_raises(ActionController::ParameterMissing) do
-      ActionController::Parameters.new(person: {}).require(:person)
-    end
-  end
-end