BooleanNodeDefinition example

use PHPUnit\Framework\TestCase;
use Symfony\Component\Config\Definition\Builder\BooleanNodeDefinition;
use Symfony\Component\Config\Definition\Exception\InvalidDefinitionException;

class BooleanNodeDefinitionTest extends TestCase
{
    public function testCannotBeEmptyThrowsAnException()
    {
        $this->expectException(InvalidDefinitionException::class);
        $this->expectExceptionMessage('->cannotBeEmpty() is not applicable to BooleanNodeDefinition.');
        $def = new BooleanNodeDefinition('foo');
        $def->cannotBeEmpty();
    }

    public function testSetDeprecated()
    {
        $def = new BooleanNodeDefinition('foo');
        $def->setDeprecated('vendor/package', '1.1', 'The "%path%" node is deprecated.');

        $node = $def->getNode();

        $this->assertTrue($node->isDeprecated());