allow passing more than one argument to #error

lib/sinatra/base.rb

@@ -876,9 +876,11 @@ module Sinatra
       # Define a custom error handler. Optionally takes either an Exception
       # class, or an HTTP status code to specify which errors should be
       # handled.
-      def error(codes = Exception, &block)
-        args = compile! "ERROR", //, block
-        Array(codes).each { |c| @errors[c] = args }
+      def error(*codes, &block)
+        args  = compile! "ERROR", //, block
+        codes = codes.map { |c| Array(c) }.flatten
+        codes << Exception if codes.empty?
+        codes.each { |c| @errors[c] = args }
       end
 
       # Sugar for `error(404) { ... }`

test/mapped_error_test.rb

@@ -202,6 +202,19 @@ class MappedErrorTest < Test::Unit::TestCase
       assert_equal 'Error: 507', body
     end
 
+    it 'allows passing more than one range' do
+      mock_app {
+        set :raise_errors, false
+        error(409..411, 503..509) { "Error: #{response.status}" }
+        get '/' do
+          [507, {}, 'A very special error']
+        end
+      }
+      get '/'
+      assert_equal 507, status
+      assert_equal 'Error: 507', body
+    end
+
     class FooError < RuntimeError
     end