Update ORM#is_dirty - swapped isset() for array_key_exists() - isset() will return false when fields have been set null.

Update ORMTest#testIsDirty - added tests for filed set to '' and null

1 files changed, 7 insertions, 1 deletions

diff --git a/test/ORMTest.php b/test/ORMTest.php
index f244f12..b85b0f6 100644
--- a/test/ORMTest.php
+++ b/test/ORMTest.php
@@ -43,9 +43,15 @@ class ORMTest extends PHPUnit_Framework_TestCase {
     public function testIsDirty() {
         $model = ORM::for_table('test')->create();
         $this->assertFalse($model->is_dirty('test'));
-        
+
         $model = ORM::for_table('test')->create(array('test' => 'test'));
         $this->assertTrue($model->is_dirty('test'));
+
+        $model->test = null;
+        $this->assertTrue($model->is_dirty('test'));
+
+        $model->test = '';
+        $this->assertTrue($model->is_dirty('test'));
     }
 
     public function testArrayAccess() {