From 40a4d692b38121b09877be0d7d6d4fd9c0d734d2 Mon Sep 17 00:00:00 2001
From: mehdi hosseini <m.hosseini@anetwork.ir>
Date: Wed, 8 Nov 2017 17:30:49 +0330
Subject: [PATCH] Add DateInterval week support Added DateInterval week support
 to the src/Config.php Also related tests added.

---
 src/Config.php       |  4 ++--
 tests/DatiumTest.php | 27 +++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/src/Config.php b/src/Config.php
index ce3beff..dfb0b18 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -20,9 +20,9 @@
   'default_calendar' => 'gregorian',
 
 
-  'date_interval' => [ 'D', 'M', 'Y', 'HT', 'MT', 'ST' ],
+  'date_interval' => [ 'D', 'W','M', 'Y', 'HT', 'MT', 'ST' ],
 
 
-  'date_simple' => [ 'day', ' month', ' year', ' hour', ' minute', ' second' ],
+  'date_simple' => [ 'day', ' week', ' month', ' year', ' hour', ' minute', ' second' ],
 
 ];
diff --git a/tests/DatiumTest.php b/tests/DatiumTest.php
index 25cc531..f450a62 100644
--- a/tests/DatiumTest.php
+++ b/tests/DatiumTest.php
@@ -90,6 +90,16 @@ public function testAddDateTime()
             Datium::create(2016, 1, 1, 0, 0, 0)->add('10 day')->get()
         );
 
+        $this->assertEquals(
+            '2016-01-08 00:00:00',
+            Datium::create(2016, 1, 1, 0, 0, 0)->add('1 week')->get()
+        );
+
+        $this->assertEquals(
+            '2016-01-29 00:00:00',
+            Datium::create(2016, 1, 1, 0, 0, 0)->add('4 week')->get()
+        );
+
         $this->assertEquals(
             '2016-02-01 00:00:00',
             Datium::create(2016, 1, 1, 0, 0, 0)->add('1 month')->get()
@@ -160,6 +170,16 @@ public function testSubDateTime()
             Datium::create(2016, 1, 11, 0, 0, 0)->sub('10 day')->get()
         );
 
+        $this->assertEquals(
+            '2016-01-01 00:00:00',
+            Datium::create(2016, 1, 8, 0, 0, 0)->sub('1 week')->get()
+        );
+
+        $this->assertEquals(
+            '2016-01-01 00:00:00',
+            Datium::create(2016, 1, 15, 0, 0, 0)->sub('2 week')->get()
+        );
+
         $this->assertEquals(
             '2016-01-01 00:00:00',
             Datium::create(2016, 2, 1, 0, 0, 0)->sub('1 month')->get()
@@ -206,6 +226,13 @@ public function testDateDifference()
 
         $this->assertEquals(5000, $diff->days);
 
+        $diff = Datium::diff(
+            Datium::now()->object(),
+            Datium::now()->add('1 week')->object()
+        );
+
+        $this->assertEquals(7, $diff->days);
+
     }
 
     public function testJalaliCalendar()