1 files changed, 26 insertions, 0 deletions
diff --git a/actionpack/test/controller/test_case_test.rb b/actionpack/test/controller/test_case_test.rb
index 6fc70d6248..d1cd190747 100644
--- a/actionpack/test/controller/test_case_test.rb
+++ b/actionpack/test/controller/test_case_test.rb
@@ -156,6 +156,10 @@ XML
       render html: '<body class="foo"></body>'.html_safe
     end
 
+    def render_json
+      render json: request.raw_post
+    end
+
     def boom
       raise "boom!"
     end
@@ -474,6 +478,18 @@ XML
     )
   end
 
+  def test_nil_params
+    get :test_params, params: nil
+    parsed_params = JSON.parse(@response.body)
+    assert_equal(
+      {
+        "action" => "test_params",
+        "controller" => "test_case_test/test"
+      },
+      parsed_params
+    )
+  end
+
   def test_query_param_named_action
     get :test_query_parameters, params: { action: "foobar" }
     parsed_params = JSON.parse(@response.body)
@@ -965,6 +981,16 @@ XML
 
     assert_equal "q=test2", @response.body
   end
+
+  def test_parsed_body_without_as_option
+    post :render_json, body: { foo: "heyo" }
+    assert_equal({ "foo" => "heyo" }, response.parsed_body)
+  end
+
+  def test_parsed_body_with_as_option
+    post :render_json, body: { foo: "heyo" }.to_json, as: :json
+    assert_equal({ "foo" => "heyo" }, response.parsed_body)
+  end
 end
 
 class ResponseDefaultHeadersTest < ActionController::TestCase