fixes reset FormHelper::$_unlockFields

Author: nojimage

lib/Cake/Test/Case/View/Helper/FormHelperTest.php

@@ -1597,6 +1597,26 @@ public function testUnlockFieldRemovingFromFields() {
 		$this->assertEquals(array(), $this->Form->fields);
 	}
 
+/**
+ * test reset unlockFields, when create new form.
+ *
+ * @return void
+ */
+	public function testResetUnlockFields() {
+		$this->Form->request['_Token'] = array(
+			'key' => 'testKey',
+			'unlockedFields' => array()
+		);
+
+		$this->Form->create('Contact');
+		$this->Form->unlockField('Contact.id');
+		$this->Form->end();
+
+		$this->Form->create('Contact');
+		$this->Form->hidden('Contact.id', array('value' => 1));
+		$this->assertEquals(1, $this->Form->fields['Contact.id'], 'Hidden input should be secured.');
+	}
+
 /**
  * testTagIsInvalid method
  *

lib/Cake/View/Helper/FormHelper.php

@@ -466,6 +466,7 @@ public function create($model = null, $options = array()) {
 		$htmlAttributes = array_merge($options, $htmlAttributes);
 
 		$this->fields = array();
+		$this->_unlockedFields = array();
 		if ($this->requestType !== 'get') {
 			$append .= $this->_csrfField();
 		}