From 44fbf8afe276a1cb8e1cec0959ab85d3e9d9c3e0 Mon Sep 17 00:00:00 2001
From: Ross Boucher <ross@280north.com>
Date: Tue, 24 Nov 2009 23:02:38 -0500
Subject: [PATCH] Add support for encoding dates, courtesy of luddep.

---
 Foundation/CPDate.j           | 21 +++++++++++++++++++++
 Tests/Foundation/CPDateTest.j |  9 +++++++++
 2 files changed, 30 insertions(+)

diff --git a/Foundation/CPDate.j b/Foundation/CPDate.j
index 3dd164157..2f171c4b1 100644
--- a/Foundation/CPDate.j
+++ b/Foundation/CPDate.j
@@ -185,4 +185,25 @@ var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0));
 
 @end
 
+var CPDateTimeKey = @"CPDateTimeKey";
+
+@implementation CPDate (CPCoding)
+
+- (id)initWithCoder:(CPCoder)aCoder
+{
+    if (self)
+    {
+        self.setTime([aCoder decodeIntForKey:CPDateTimeKey]);
+    }
+
+    return self;
+}
+
+- (void)encodeWithCoder:(CPCoder)aCoder
+{
+    [aCoder encodeInt:self.getTime() forKey:CPDateTimeKey];
+}
+
+@end
+
 Date.prototype.isa = CPDate;
diff --git a/Tests/Foundation/CPDateTest.j b/Tests/Foundation/CPDateTest.j
index fe2de759b..4df915457 100644
--- a/Tests/Foundation/CPDateTest.j
+++ b/Tests/Foundation/CPDateTest.j
@@ -43,6 +43,15 @@
     }
 }
 
+- (void)testEncoding
+{
+    var date = new Date(),
+        encodedDate = [CPKeyedArchiver archivedDataWithRootObject:date],
+        decodedDate = [CPKeyedUnarchiver unarchiveObjectWithData:encodedDate];
+
+    [self assert:date equals:decodedDate];
+}
+
 - (void)testDescription
 {
     // Unfortunately the result will be different depending on the testing machine's timezone.