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-rw-r--r--actionpack/test/controller/parameters/nested_parameters_test.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/actionpack/test/controller/parameters/nested_parameters_test.rb b/actionpack/test/controller/parameters/nested_parameters_test.rb
index 91df527dec..3b1257e8d5 100644
--- a/actionpack/test/controller/parameters/nested_parameters_test.rb
+++ b/actionpack/test/controller/parameters/nested_parameters_test.rb
@@ -169,4 +169,19 @@ class NestedParametersTest < ActiveSupport::TestCase
assert_filtered_out permitted[:book][:authors_attributes]['-1'], :age_of_death
end
+
+ test "nested number as key" do
+ params = ActionController::Parameters.new({
+ product: {
+ properties: {
+ '0' => "prop0",
+ '1' => "prop1"
+ }
+ }
+ })
+ params = params.require(:product).permit(:properties => ["0"])
+ assert_not_nil params[:properties]["0"]
+ assert_nil params[:properties]["1"]
+ assert_equal "prop0", params[:properties]["0"]
+ end
end