From d7b526416eb348af8f8d2072085a30183be89900 Mon Sep 17 00:00:00 2001
From: Jason Davies <jason@jasondavies.com>
Date: Thu, 19 Jul 2012 15:43:25 +0100
Subject: [PATCH] Add support for negative four-digit years.

---
 moment.js             |  2 +-
 test/moment/create.js | 10 ++++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/moment.js b/moment.js
index f430bc781..ef1cf28dd 100644
--- a/moment.js
+++ b/moment.js
@@ -42,7 +42,7 @@
         parseTokenOneToThreeDigits = /\d{1,3}/, // 0 - 999
         parseTokenThreeDigits = /\d{3}/, // 000 - 999
         parseTokenFourDigits = /\d{4}/, // 0000 - 9999
-        parseTokenFiveToSixDigits = /[+\-]?\d{5,6}/, // -999,999 - 999,999
+        parseTokenFiveToSixDigits = /[+\-\d]?\d{4,6}/, // -999,999 - 999,999
         parseTokenWord = /[0-9a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+/i, // any word characters or numbers
         parseTokenTimezone = /Z|[\+\-]\d\d:?\d\d/i, // +00:00 -00:00 +0000 -0000 or Z
         parseTokenT = /T/i, // T (ISO seperator)
diff --git a/test/moment/create.js b/test/moment/create.js
index 52befca23..4658f7b45 100644
--- a/test/moment/create.js
+++ b/test/moment/create.js
@@ -305,11 +305,17 @@ exports.create = {
 
     "six digit years" : function(test) {
         test.expect(5);
-        test.equal(moment([-270000, 0, 1]).format("YYYYY-MM-DD"), "-270000-01-01", "format BC 270,000");
+        test.equal(moment([-270000, 0, 1]).format("YYYYY-MM-DD"), "-270000-01-01", "format BC 270,001");
         test.equal(moment([ 270000, 0, 1]).format("YYYYY-MM-DD"), "270000-01-01", "format AD 270,000");
-        test.equal(moment("-270000-01-01", "YYYYY-MM-DD").toDate().getUTCFullYear(), -270000, "parse BC 270,000");
+        test.equal(moment("-270000-01-01", "YYYYY-MM-DD").toDate().getUTCFullYear(), -270000, "parse BC 270,001");
         test.equal(moment("270000-01-01",  "YYYYY-MM-DD").toDate().getUTCFullYear(), 270000, "parse AD 270,000");
         test.equal(moment("+270000-01-01", "YYYYY-MM-DD").toDate().getUTCFullYear(), 270000, "parse AD +270,000");
         test.done();
+    },
+
+    "negative four digit years" : function(test) {
+        test.expect(1);
+        test.equal(moment("-1000-01-01", "YYYYY-MM-DD").toDate().getUTCFullYear(), -1000, "parse BC 1,001");
+        test.done();
     }
 };
-- 
2.47.2