/**
* @covers Twig_Node_Expression_Binary_Concat::__construct
*/
public function testConstructor()
{
$left = new Twig_Node_Expression_Constant(1, 0);
$right = new Twig_Node_Expression_Constant(2, 0);
$node = new Twig_Node_Expression_Binary_Concat($left, $right, 0);
$this->assertEquals($left, $node->getNode('left'));
$this->assertEquals($right, $node->getNode('right'));
}
/**
* @param \Twig_Node_Expression_Binary_Concat $node
* @return array
*/
public function findValuesInNodeExpressionConcat(\Twig_Node_Expression_Binary_Concat $node)
{
$values = array();
$leftValues = array();
$rightValues = array();
$left = $node->getNode('left');
$right = $node->getNode('right');
if ($left instanceof \Twig_Node_Expression_Binary_Concat) {
$leftValues = $this->findValuesInNodeExpressionConcat($left);
} else {
if ($left instanceof \Twig_Node_Expression_Name) {
$name = $left->getAttribute('name');
$leftValues = $this->findValuesOfExpressionName($name);
} else {
if ($left instanceof \Twig_Node_Expression_Constant) {
$leftValues[] = $left->getAttribute('value');
}
}
}
if ($right instanceof \Twig_Node_Expression_Name) {
$name = $right->getAttribute('name');
$rightValues = $this->findValuesOfExpressionName($name);
} else {
if ($right instanceof \Twig_Node_Expression_Constant) {
$rightValues[] = $right->getAttribute('value');
}
}
foreach ($leftValues as $leftKey) {
foreach ($rightValues as $rightKey) {
$values[] = $leftKey . $rightKey;
}
}
return $values;
}