public function test_Recursive_Simple()
{
$tokens = (new \Flow\JSONPath\JSONPathLexer('..foo'))->parseExpression();
$this->assertEquals(JSONPathToken::T_RECURSIVE, $tokens[0]->type);
$this->assertEquals(JSONPathToken::T_INDEX, $tokens[1]->type);
$this->assertEquals(null, $tokens[0]->value);
$this->assertEquals('foo', $tokens[1]->value);
}