PHP/DontExtract: add tests for namespaced names

Author: rodrigoprimo

WordPress/Tests/PHP/DontExtractUnitTest.inc

@@ -7,3 +7,11 @@ my_extract(); // Ok.
 My_Object::extract(); // Ok.
 $this->extract(); // Ok.
 $my_object->extract(); // Ok.
+
+/*
+ * Safeguard correct handling of all types of namespaced function calls.
+ */
+\extract( array( 'a' => 1 ) );
+MyNamespace\extract( array( 'a' => 1 ) );
+\MyNamespace\extract( array( 'a' => 1 ) );
+namespace\extract( array( 'a' => 1 ) ); // The sniff should start flagging this once it can resolve relative namespaces.

WordPress/Tests/PHP/DontExtractUnitTest.php

@@ -29,7 +29,8 @@ final class DontExtractUnitTest extends AbstractSniffUnitTest {
 	 */
 	public function getErrorList() {
 		return array(
-			3 => 1,
+			3  => 1,
+			14 => 1,
 		);
 	}