Make Model::find('first') always return an array.

lib/Cake/Model/Model.php

@@ -2613,9 +2613,12 @@ class Model extends Object implements CakeEventListener {
  *
  *  Note: find(list) + database views have issues with MySQL 5.0. Try upgrading to MySQL 5.1 if you
  *  have issues with database views.
+ *
+ *  Note: find(count) has its own return values.
+ *
  * @param string $type Type of find operation (all / first / count / neighbors / list / threaded)
  * @param array $query Option fields (conditions / fields / joins / limit / offset / order / page / group / callbacks)
- * @return array Array of records
+ * @return array Array of records, or Null on failure.
  * @link http://book.cakephp.org/2.0/en/models/deleting-data.html#deleteall
  */
 	public function find($type = 'first', $query = array()) {
@@ -2638,10 +2641,10 @@ class Model extends Object implements CakeEventListener {
 
 		if ($type === 'all') {
 			return $results;
-		} else {
-			if ($this->findMethods[$type] === true) {
-				return $this->{'_find' . ucfirst($type)}('after', $query, $results);
-			}
+		}
+
+		if ($this->findMethods[$type] === true) {
+			return $this->{'_find' . ucfirst($type)}('after', $query, $results);
 		}
 	}
 
@@ -2707,7 +2710,7 @@ class Model extends Object implements CakeEventListener {
 			return $query;
 		} elseif ($state === 'after') {
 			if (empty($results[0])) {
-				return false;
+				return array();
 			}
 			return $results[0];
 		}

lib/Cake/Test/Case/Model/Behavior/TranslateBehaviorTest.php

@@ -422,7 +422,7 @@ class TranslateBehaviorTest extends CakeTestCase {
 		$TestModel = new TranslatedItem();
 		$TestModel->locale = 'rus';
 		$result = $TestModel->read(null, 1);
-		$this->assertFalse($result);
+		$this->assertEquals(array(), $result);
 
 		$TestModel->locale = array('rus');
 		$result = $TestModel->read(null, 1);

lib/Cake/Test/Case/Model/ModelDeleteTest.php

@@ -107,7 +107,7 @@ class ModelDeleteTest extends BaseModelTest {
 		$result = $Portfolio->find('first', array(
 			'conditions' => array('Portfolio.id' => 1)
 		));
-		$this->assertFalse($result);
+		$this->assertEquals(array(), $result);
 
 		$result = $Portfolio->ItemsPortfolio->find('all', array(
 			'conditions' => array('ItemsPortfolio.portfolio_id' => 1)
@@ -195,7 +195,7 @@ class ModelDeleteTest extends BaseModelTest {
 		$this->assertTrue($result);
 
 		$result = $TestModel->read(null, 2);
-		$this->assertFalse($result);
+		$this->assertEquals(array(), $result);
 
 		$TestModel->recursive = -1;
 		$result = $TestModel->find('all', array(
@@ -216,7 +216,7 @@ class ModelDeleteTest extends BaseModelTest {
 		$this->assertTrue($result);
 
 		$result = $TestModel->read(null, 3);
-		$this->assertFalse($result);
+		$this->assertEquals(array(), $result);
 
 		$TestModel->recursive = -1;
 		$result = $TestModel->find('all', array(
@@ -448,16 +448,16 @@ class ModelDeleteTest extends BaseModelTest {
 
 		$TestModel->recursive = 2;
 		$result = $TestModel->read(null, 2);
-		$this->assertFalse($result);
+		$this->assertEquals(array(), $result);
 
 		$result = $TestModel->Comment->read(null, 5);
-		$this->assertFalse($result);
+		$this->assertEquals(array(), $result);
 
 		$result = $TestModel->Comment->read(null, 6);
-		$this->assertFalse($result);
+		$this->assertEquals(array(), $result);
 
 		$result = $TestModel->Comment->Attachment->read(null, 1);
-		$this->assertFalse($result);
+		$this->assertEquals(array(), $result);
 
 		$result = $TestModel->find('count');
 		$this->assertEquals(2, $result);