NamedSpec.php

<?php

class NamedSpec extends ObjectBehavior
{
    function it_exposes_the_name_it_is_constructed_with()
    {
        $this->beConstructedNamed('Foo');

        $this->getName()->shouldReturn('Foo');
    }

    function it_cannot_be_constructed_with_an_empty_name()
    {
        $this->beConstructedNamed('');

        $this->shouldThrow(\InvalidArgumentException::class)->duringInstantiation();
    }
}