function testChidrenOfRootAreTopLevelPages()
{
$pages = DataObject::get("SiteTree");
foreach ($pages as $page) {
$page->publish('Stage', 'Live');
}
unset($pages);
/* If we create a new SiteTree object with ID = 0 */
$obj = new SiteTree();
/* Then its children should be the top-level pages */
$stageChildren = $obj->stageChildren()->toDropDownMap('ID', 'Title');
$liveChildren = $obj->liveChildren()->toDropDownMap('ID', 'Title');
$allChildren = $obj->AllChildrenIncludingDeleted()->toDropDownMap('ID', 'Title');
$this->assertContains('Home', $stageChildren);
$this->assertContains('Products', $stageChildren);
$this->assertNotContains('Staff', $stageChildren);
$this->assertContains('Home', $liveChildren);
$this->assertContains('Products', $liveChildren);
$this->assertNotContains('Staff', $liveChildren);
$this->assertContains('Home', $allChildren);
$this->assertContains('Products', $allChildren);
$this->assertNotContains('Staff', $allChildren);
}