Controller::loadModel() now returns true when model is succesfully instantiated as stated in docblock. Added test case.

cake/libs/controller/controller.php

@@ -607,7 +607,7 @@ class Controller extends Object {
  *
  * @param string $modelClass Name of model class to load
  * @param mixed $id Initial ID the instanced model class should have
- * @return mixed true when single model found and instance created error returned if models not found.
+ * @return mixed true when single model found and instance created, error returned if model not found.
  * @access public
  */
 	function loadModel($modelClass = null, $id = null) {
@@ -657,6 +657,8 @@ class Controller extends Object {
 			$this->_persist($modelClass, true, $object);
 			$this->modelNames[] = $modelClass;
 		}
+
+		return true;
 	}
 
 /**
@@ -733,7 +735,7 @@ class Controller extends Object {
 	}
 
 /**
- * Convenience and object wrapper method for header().  Useful when doing tests and 
+ * Convenience and object wrapper method for header().  Useful when doing tests and
  * asserting that particular headers have been set.
  *
  * @param string $status The header message that is being set.

cake/tests/cases/libs/controller/controller.test.php

@@ -442,6 +442,26 @@ class ControllerTest extends CakeTestCase {
 		App::build();
 	}
 
+/**
+ * testLoadModel method
+ *
+ * @access public
+ * @return void
+ */
+	function testLoadModel() {
+		$Controller =& new Controller();
+
+		$this->assertFalse(isset($Controller->ControllerPost));
+
+		$result = $Controller->loadModel('ControllerPost');
+		$this->assertTrue($result);
+		$this->assertTrue(is_a($Controller->ControllerPost, 'ControllerPost'));
+		$this->assertTrue(in_array('ControllerPost', $Controller->modelNames));
+
+		ClassRegistry::flush();
+		unset($Controller);
+	}
+
 /**
  * testConstructClasses method
  *