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<?php

namespace specProphecyPromise;

use PhpSpecObjectBehavior;
use ProphecyProphecyMethodProphecy;
use ProphecyProphecyObjectProphecy;

class ReturnPromiseSpec extends ObjectBehavior
{
    function let()
    {
        $this->beConstructedWith(array(42));
    }

    function it_is_promise()
    {
        $this->shouldBeAnInstanceOf('ProphecyPromisePromiseInterface');
    }

    function it_returns_value_it_was_constructed_with(ObjectProphecy $object, MethodProphecy $method)
    {
        $this->execute(array(), $object, $method)->shouldReturn(42);
    }

    function it_always_returns_last_value_left_in_the_return_values(ObjectProphecy $object, MethodProphecy $method)
    {
        $this->execute(array(), $object, $method)->shouldReturn(42);
        $this->execute(array(), $object, $method)->shouldReturn(42);
    }

    function it_consequently_returns_multiple_values_it_was_constructed_with(
        ObjectProphecy $object,
        MethodProphecy $method
    ) {
        $this->beConstructedWith(array(42, 24, 12));

        $this->execute(array(), $object, $method)->shouldReturn(42);
        $this->execute(array(), $object, $method)->shouldReturn(24);
        $this->execute(array(), $object, $method)->shouldReturn(12);
    }

    function it_returns_null_if_constructed_with_empty_array(ObjectProphecy $object, MethodProphecy $method)
    {
        $this->beConstructedWith(array());

        $this->execute(array(), $object, $method)->shouldReturn(null);
    }
}