public function testVisit()
{
$this->tree->add(new Variant('child1'), 'default');
$this->tree->add(new Variant('child2'), 'default');
$this->tree->add(new Variant('child1-1'), 'child1');
$this->tree->add(new Variant('child1-2'), 'child1');
// name-level mapping
$expectedVisit = array('default' => 0, 'child1' => 1, 'child2' => 1, 'child1-1' => 2, 'child1-2' => 2);
$visitedNodes = array();
$this->tree->visit(function (VariantNode $node, $level) use(&$visitedNodes) {
$visitedNodes[$node->getContent()->getName()] = $level;
});
$this->assertEquals($expectedVisit, $visitedNodes);
}
