From 1da9e93241740c1b4cfe3c0bfb30648db07cfa4f Mon Sep 17 00:00:00 2001
From: Landon Fuller <landonf@bikemonkey.org>
Date: Thu, 19 Feb 2009 22:59:37 -0800
Subject: [PATCH] Implement support for UNIX epoch initialization.

Add support for the +[CPDate dateWithTimeIntervalSince1970:]
and -[CPDate initWithTimeIntervalSince1970].
---
 Foundation/CPDate.j           | 10 +++++++++-
 Tests/Foundation/CPDateTest.j | 10 +++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/Foundation/CPDate.j b/Foundation/CPDate.j
index db83c63c4..d30084ce6 100644
--- a/Foundation/CPDate.j
+++ b/Foundation/CPDate.j
@@ -43,6 +43,9 @@ var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0));
 {
     return [[CPDate alloc] initWithTimeIntervalSinceNow:seconds];
 }
++ (id)dateWithTimeIntervalSince1970:(CPTimeInterval)seconds {
+    return [[CPDate alloc] initWithTimeIntervalSince1970:seconds];
+}
 + (id)dateWithTimeIntervalSinceReferenceDate:(CPTimeInterval)seconds
 {
     return [[CPDate alloc] initWithTimeIntervalSinceReferenceDate:seconds];
@@ -63,6 +66,11 @@ var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0));
     self = new Date((new Date()).getTime() + seconds * 1000);
     return self;
 }
+- (id)initWithTimeIntervalSince1970:(CPTimeInterval)seconds
+{
+    self = new Date(seconds * 1000);
+    return self;
+}
 - (id)initWithTimeIntervalSinceReferenceDate:(CPTimeInterval)seconds
 {
     self = [self initWithTimeInterval:seconds sinceDate:CPDateReferenceDate];
@@ -129,4 +137,4 @@ var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0));
 
 @end
 
-Date.prototype.isa = CPDate;
\ No newline at end of file
+Date.prototype.isa = CPDate;
diff --git a/Tests/Foundation/CPDateTest.j b/Tests/Foundation/CPDateTest.j
index a94ec00c5..075f93ce7 100644
--- a/Tests/Foundation/CPDateTest.j
+++ b/Tests/Foundation/CPDateTest.j
@@ -2,6 +2,14 @@ import <Foundation/CPDate.j>
 
 @implementation CPDateTest : OJTestCase
 
+- (void)testSince1970 
+{
+    /* These two dates should be equal to Fri Feb 13 2009 15:31:30 GMT-0800 */
+    unixDate = [CPDate dateWithTimeIntervalSince1970: 1234567890];
+    cocoaDate = [CPDate dateWithTimeIntervalSinceReferenceDate: 253582290];
+    [self assertTrue:[unixDate isEqualToDate: cocoaDate]];
+}
+
 - (void)testDate
 {
     var before = new Date();
@@ -17,4 +25,4 @@ import <Foundation/CPDate.j>
     [self assert:middle equals:[middle laterDate:past] message:"laterDate incorrect"];
 }
 
-@end
\ No newline at end of file
+@end