--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\Processor;
+use Symfony\Component\Config\Definition\NodeInterface;
+
+class FinalizationTest extends TestCase
+{
+ public function testUnsetKeyWithDeepHierarchy()
+ {
+ $tb = new TreeBuilder();
+ $tree = $tb
+ ->root('config', 'array')
+ ->children()
+ ->node('level1', 'array')
+ ->canBeUnset()
+ ->children()
+ ->node('level2', 'array')
+ ->canBeUnset()
+ ->children()
+ ->node('somevalue', 'scalar')->end()
+ ->node('anothervalue', 'scalar')->end()
+ ->end()
+ ->end()
+ ->node('level1_scalar', 'scalar')->end()
+ ->end()
+ ->end()
+ ->end()
+ ->end()
+ ->buildTree()
+ ;
+
+ $a = array(
+ 'level1' => array(
+ 'level2' => array(
+ 'somevalue' => 'foo',
+ 'anothervalue' => 'bar',
+ ),
+ 'level1_scalar' => 'foo',
+ ),
+ );
+
+ $b = array(
+ 'level1' => array(
+ 'level2' => false,
+ ),
+ );
+
+ $this->assertEquals(array(
+ 'level1' => array(
+ 'level1_scalar' => 'foo',
+ ),
+ ), $this->process($tree, array($a, $b)));
+ }
+
+ protected function process(NodeInterface $tree, array $configs)
+ {
+ $processor = new Processor();
+
+ return $processor->process($tree, $configs);
+ }
+}