diff --git a/tests/unit/framework/behaviors/AutoTimestampTest.php b/tests/unit/framework/behaviors/AutoTimestampTest.php
new file mode 100644
index 0000000..de96630
--- /dev/null
+++ b/tests/unit/framework/behaviors/AutoTimestampTest.php
@@ -0,0 +1,115 @@
+<?php
+
+namespace yiiunit\framework\behaviors;
+
+use Yii;
+use yiiunit\TestCase;
+use yii\db\Connection;
+use yii\db\ActiveRecord;
+use yii\behaviors\AutoTimestamp;
+
+/**
+ * Unit test for [[\yii\behaviors\AutoTimestamp]].
+ * @see AutoTimestamp
+ */
+class AutoTimestampTest extends TestCase
+{
+	/**
+	 * @var Connection test db connection
+	 */
+	protected $dbConnection;
+
+	public static function setUpBeforeClass()
+	{
+		if (!extension_loaded('pdo') || !extension_loaded('pdo_sqlite')) {
+			static::markTestSkipped('PDO and SQLite extensions are required.');
+		}
+	}
+
+	public function setUp() {
+		$this->mockApplication(
+			array(
+				'components' => array(
+					'db' => array(
+						'class' => '\yii\db\Connection',
+						'dsn' => 'sqlite::memory:',
+					)
+				)
+			)
+		);
+
+		$columns = array(
+			'id' => 'pk',
+			'create_time' => 'integer',
+			'update_time' => 'integer',
+		);
+		Yii::$app->getDb()->createCommand()->createTable('test_auto_timestamp', $columns)->execute();
+	}
+
+	public function tearDown()
+	{
+		Yii::$app->getDb()->close();
+		parent::tearDown();
+	}
+
+	// Tests :
+
+	public function testNewRecord()
+	{
+		$currentTime = time();
+
+		$model = new ActiveRecordAutoTimestamp();
+		$model->save(false);
+
+		$this->assertTrue($model->create_time >= $currentTime);
+		$this->assertTrue($model->update_time >= $currentTime);
+	}
+
+	/**
+	 * @depends testNewRecord
+	 */
+	public function testUpdateRecord()
+	{
+		$currentTime = time();
+
+		$model = new ActiveRecordAutoTimestamp();
+		$model->save(false);
+
+		$enforcedTime = $currentTime - 100;
+
+		$model->create_time = $enforcedTime;
+		$model->update_time = $enforcedTime;
+		$model->save(false);
+
+		$this->assertEquals($enforcedTime, $model->create_time, 'Create time has been set on update!');
+		$this->assertTrue($model->update_time >= $currentTime, 'Update time has NOT been set on update!');
+	}
+}
+
+/**
+ * Test Active Record class with [[AutoTimestamp]] behavior attached.
+ *
+ * @property integer $id
+ * @property integer $create_time
+ * @property integer $update_time
+ */
+class ActiveRecordAutoTimestamp extends ActiveRecord
+{
+	public function behaviors()
+	{
+		return array(
+			'timestamp' => array(
+				'class' => AutoTimestamp::className(),
+				'attributes' => array(
+					static::EVENT_BEFORE_INSERT => array('create_time', 'update_time'),
+					static::EVENT_BEFORE_UPDATE => 'update_time',
+				),
+			),
+		);
+	}
+
+	public static function tableName()
+	{
+		return 'test_auto_timestamp';
+	}
+}
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