to_sentence returns self[0].to_s instead of just self[0] for arrays of length 1. Closes #10390 [Chu Yeow, mrj]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8340 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/lib/active_support/core_ext/array/conversions.rb

@@ -16,7 +16,7 @@ module ActiveSupport #:nodoc:
             when 0
               ""
             when 1
-              self[0]
+              self[0].to_s
             when 2
               "#{self[0]} #{options[:connector]}#{self[1]}"
             else

activesupport/test/core_ext/array_ext_test.rb

@@ -33,7 +33,6 @@ class ArrayExtToSentenceTests < Test::Unit::TestCase
     assert_equal "one", ['one'].to_sentence
     assert_equal "one and two", ['one', 'two'].to_sentence
     assert_equal "one, two, and three", ['one', 'two', 'three'].to_sentence
-
   end
 
   def test_to_sentence_with_connector
@@ -57,6 +56,9 @@ class ArrayExtToSentenceTests < Test::Unit::TestCase
     assert_equal "one", ['one'].to_sentence
   end
 
+  def test_one_non_string_element
+    assert_equal '1', [1].to_sentence
+  end
 end
 
 class ArrayExtToSTests < Test::Unit::TestCase