From 3880ab0d7ca8d38c870279a1ad3495fba1c2995a Mon Sep 17 00:00:00 2001
From: Jason <jasonmichaelroth@gmail.com>
Date: Sat, 7 May 2011 13:21:00 -0600
Subject: [PATCH] ordinalize negative numbers patch

Applied patch by Amir Manji
  https://github.com/rails/rails/issues/437#issuecomment-1116045

Signed-off-by: Jason <jasonmichaelroth@gmail.com>
---
 .../lib/active_support/inflector/methods.rb   |  4 +--
 activesupport/test/inflector_test_cases.rb    | 30 +++++++++++++++++++
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index de49750083f78..dd2beef89d42d 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -136,10 +136,10 @@ def constantize(camel_cased_word) #:nodoc:
     #   ordinalize(1002)  # => "1002nd"
     #   ordinalize(1003)  # => "1003rd"
     def ordinalize(number)
-      if (11..13).include?(number.to_i % 100)
+      if (11..13).include?(number.to_i.abs % 100)
         "#{number}th"
       else
-        case number.to_i % 10
+        case number.to_i.abs % 10
           when 1; "#{number}st"
           when 2; "#{number}nd"
           when 3; "#{number}rd"
diff --git a/activesupport/test/inflector_test_cases.rb b/activesupport/test/inflector_test_cases.rb
index 2b144e5931bfb..ec9d92794c789 100644
--- a/activesupport/test/inflector_test_cases.rb
+++ b/activesupport/test/inflector_test_cases.rb
@@ -215,6 +215,36 @@ module InflectorTestCases
   }
 
   OrdinalNumbers = {
+    "-1" => "-1st",
+    "-2" => "-2nd",
+    "-3" => "-3rd",
+    "-4" => "-4th",
+    "-5" => "-5th",
+    "-6" => "-6th",
+    "-7" => "-7th",
+    "-8" => "-8th",
+    "-9" => "-9th",
+    "-10" => "-10th",
+    "-11" => "-11th",
+    "-12" => "-12th",
+    "-13" => "-13th",
+    "-14" => "-14th",
+    "-20" => "-20th",
+    "-21" => "-21st",
+    "-22" => "-22nd",
+    "-23" => "-23rd",
+    "-24" => "-24th",
+    "-100" => "-100th",
+    "-101" => "-101st",
+    "-102" => "-102nd",
+    "-103" => "-103rd",
+    "-104" => "-104th",
+    "-110" => "-110th",
+    "-111" => "-111th",
+    "-112" => "-112th",
+    "-113" => "-113th",
+    "-1000" => "-1000th",
+    "-1001" => "-1001st",
     "0" => "0th",
     "1" => "1st",
     "2" => "2nd",