Adding a test for saving blank fields on a model. Closes #1243.

Author: markstory

cake/tests/cases/libs/model/model_write.test.php

@@ -2245,6 +2245,27 @@ function testUpdateExisting() {
 		$this->assertTrue($result);
 	}
 
+/**
+ * test updating records and saving blank values.
+ *
+ * @return void
+ */
+	function testUpdateSavingBlankValues() {
+		$this->loadFixtures('Article');
+		$Article =& new Article();
+		$Article->validate = array();
+		$Article->create();
+		$result = $Article->save(array(
+			'id' => 1,
+			'title' => '',
+			'body' => ''
+		));
+		$this->assertTrue($result);
+		$result = $Article->find('first', array('conditions' => array('Article.id' => 1)));
+		$this->assertEqual('', $result['Article']['title'], 'Title is not blank');
+		$this->assertEqual('', $result['Article']['body'], 'Body is not blank');
+	}
+
 /**
  * testUpdateMultiple method
  *