function testGetNextSection()
{
//build hierarchy
$menu = new OA_Admin_Menu();
$sections = $this->generateSections(5, 1);
$menu->add($sections[0]);
$parentId = $sections[0]->getId();
for ($i = 1; $i < count($sections); $i++) {
$menu->addTo($parentId, $sections[$i]);
}
// Calling this at the root section should return the current section if it exists
$next = $menu->getNextSection($parentId);
$this->assertSectionsEqual($next, $sections[0]);
// First tab of 2nd level should return 2nd tab of 2nd level
$next = $menu->getNextSection('my-section2');
$this->assertSectionsEqual($next, $sections[2]);
// Last tab of 2nd level should return the parent tab
$next = $menu->getNextSection('my-section5');
$this->assertSectionsEqual($next, $sections[0]);
}