From 0e48fc4eced57b2d8dc7e3fe336b49e83a97663a Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Mon, 28 Dec 2009 20:58:08 +0000
Subject: - Patch #668150 by mfb: fxed theme_item_list() when used with nested
 lists.

---
 includes/theme.inc                  |  3 ++-
 modules/simpletest/tests/theme.test | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/includes/theme.inc b/includes/theme.inc
index a4cb7fef9..9c7b767bb 100644
--- a/includes/theme.inc
+++ b/includes/theme.inc
@@ -1926,7 +1926,8 @@ function theme_item_list($variables) {
         $data = $item;
       }
       if (count($children) > 0) {
-        $data .= theme_item_list($children, NULL, $type, $attributes); // Render nested list
+        // Render nested list.
+        $data .= theme_item_list(array('items' => $children, 'title' => NULL, 'type' => $type, 'attributes' => $attributes));
       }
       if ($i == 0) {
         $attributes['class'][] = 'first';
diff --git a/modules/simpletest/tests/theme.test b/modules/simpletest/tests/theme.test
index 9b5c5c2d2..ff6250546 100644
--- a/modules/simpletest/tests/theme.test
+++ b/modules/simpletest/tests/theme.test
@@ -93,3 +93,31 @@ class ThemeTableUnitTest extends DrupalWebTestCase {
     drupal_static_reset('drupal_add_js');
   }
 }
+
+/**
+ * Unit tests for theme_item_list().
+ */
+class ThemeItemListUnitTest extends DrupalWebTestCase {
+  public static function getInfo() {
+    return array(
+      'name' => 'Theme item list',
+      'description' => 'Test the theme_item_list() function.',
+      'group' => 'Theme',
+    );
+  }
+
+  /**
+   * Test nested list rendering.
+   */
+  function testNestedList() {
+    $items = array('a', array('data' => 'b', 'children' => array('c', 'd')), 'e');
+    $expected = '<div class="item-list"><ul><li class="first">a</li>
+<li>b<div class="item-list"><ul><li class="first">c</li>
+<li class="last">d</li>
+</ul></div></li>
+<li class="last">e</li>
+</ul></div>';
+    $output = theme('item_list', array('items' => $items, 'type' => 'ul', 'title' => NULL, 'attributes' => array()));
+    $this->assertIdentical($expected, $output, 'Nested list is rendered correctly.');
+  }
+}
-- 
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