Allow all Fixnum statuses

Author: dabrorius

lib/grape/dsl/inside_route.rb

@@ -102,11 +102,7 @@ def status(status = nil)
             fail ArgumentError, "Status code :#{status} is invalid."
           end
         when Fixnum
-          if Rack::Utils::HTTP_STATUS_CODES.keys.include?(status)
-            @status = status
-          else
-            fail ArgumentError, "Status code #{status} is invalid."
-          end
+          @status = status
         when nil
           return @status if @status
           case request.request_method.to_s.upcase

spec/grape/dsl/inside_route_spec.rb

@@ -118,9 +118,8 @@ def initialize
             .to raise_error(ArgumentError, 'Status code :foo_bar is invalid.')
         end
 
-        it 'raises error if unknow status code is passed' do
-          expect { subject.status 210 }
-            .to raise_error(ArgumentError, 'Status code 210 is invalid.')
+        it 'accepts unknown Fixnum status codes' do
+          expect { subject.status 210 }.to_not raise_error
         end
 
         it 'raises error if status is not a fixnum or symbol' do