[TASK] Add functional test of recursive section rendering

tests/Functional/BaseFunctionalTestCase.php

@@ -102,7 +102,7 @@ public function testTemplateCodeFixture($source, array $variables, array $expect
 		$view->getRenderingContext()->getTemplatePaths()->setTemplateSource($source);
 		$view->getRenderingContext()->getViewHelperResolver()->addNamespace('test', 'TYPO3Fluid\\Fluid\\Tests\\Functional\\Fixtures\\ViewHelpers');
 		$view->assignMultiple($variables);
-		$output = $view->render();
+		$output = trim($view->render());
 		$this->assertNotEquals($view->getRenderingContext()->getTemplatePaths()->getTemplateSource(), $output, 'Input and output were the same');
 		if (empty($expected) && empty($notExpected)) {
 			$this->fail('Test performs no assertions!');

tests/Functional/Cases/Rendering/RecursiveSectionRenderingTest.php

@@ -0,0 +1,56 @@
+<?php
+namespace TYPO3Fluid\Fluid\Tests\Functional\Cases\Escaping;
+
+use TYPO3Fluid\Fluid\Tests\Functional\BaseFunctionalTestCase;
+
+/**
+ * Class RecursiveSectionRendering
+ */
+class RecursiveSectionRenderingTest extends BaseFunctionalTestCase {
+
+	/**
+	 * Variables array constructed to expect exactly three
+	 * recursive renderings followed by a single rendering.
+	 *
+	 * @var array
+	 */
+	protected $variables = array(
+		'settings' => array(
+			'test' => '<strong>Bla</strong>'
+		),
+		'items' => array(
+			array(
+				'id' => 1,
+				'items' => array(
+					array(
+						'id' => 2,
+						'items' => array(
+							array(
+								'id' => 3,
+								'items' => array()
+							)
+						)
+					)
+				)
+			),
+			array(
+				'id' => 4
+			)
+		)
+	);
+
+	/**
+	 * @return array
+	 */
+	public function getTemplateCodeFixturesAndExpectations() {
+		return array(
+			'Recursive section rendering clones variable storage and restores after loop ends' => array(
+				file_get_contents(__DIR__ . '/../../Fixtures/Templates/RecursiveSectionRendering.html'),
+				$this->variables,
+				array('Item: 1.', 'Item: 2.', 'Item: 3.', 'Item: 4.'),
+				array(),
+			),
+		);
+	}
+
+}

tests/Functional/Fixtures/Templates/RecursiveSectionRendering.html

@@ -0,0 +1,12 @@
+<f:section name="Items">
+	<f:spaceless>
+		<f:for each="{items}" as="item">
+			Item: {item.id}.
+			<f:if condition="{item.items}">
+				<f:render section="Items" arguments="{items: item.items}" />
+			</f:if>
+		</f:for>
+	</f:spaceless>
+</f:section>
+
+<f:render section="Items" arguments="{items: items}" />