ClassesForConstructorIntegrity.php

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<?php
class ClassA
{
}
class ClassB
{
}
class ClassC
{
}
interface FirstInterface
{
}
class ImplementationOfFirstInterface implements FirstInterface
{
}
interface SecondInterface
{
}
class ImplementationOfSecondInterface implements SecondInterface
{
}
class Context implements \Magento\Framework\ObjectManager\ContextInterface
{
    protected $_exA;

    protected $_exB;

    protected $_exC;

    protected $_interfaceA;

    protected $_implOfBInterface;

    public function __construct(
        \ClassA $exA,
        \ClassB $exB,
        \ClassC $exC,
        \FirstInterface $interfaceA,
        \ImplementationOfSecondInterface $implOfBInterface
    ) {
        $this->_exA = $exA;
        $this->_exB = $exB;
        $this->_exC = $exC;
        $this->_interfaceA = $interfaceA;
        $this->_implOfBInterface = $implOfBInterface;
    }
}
class ClassArgumentAlreadyInjectedIntoContext
{
    protected $_context;

    protected $_exA;

    public function __construct(\Context $context, \ClassA $exA)
    {
        $this->_context = $context;
        $this->_exA = $exA;
    }
}
class ClassArgumentWrongOrderForParentArguments extends ClassArgumentAlreadyInjectedIntoContext
{
    protected $_context;

    protected $_exA;

    protected $_exB;

    public function __construct(\Context $context, \ClassA $exA, \ClassB $exB)
    {
        parent::__construct($exA, $context);
        $this->_context = $context;
        $this->_exA = $exA;
        $this->_exB = $exB;
    }
}
class ClassArgumentWithOptionalParams
{
    protected $_context;

    protected $_data;

    public function __construct(\Context $context, array $data = [])
    {
        $this->_context = $context;
        $this->_data = $data;
    }
}
class ClassArgumentWithWrongParentArgumentsType extends ClassArgumentWithOptionalParams
{
    protected $_context;

    protected $_exB;

    protected $_exC;

    protected $_data;

    public function __construct(\Context $context, \ClassB $exB, \ClassC $exC, array $data = [])
    {
        parent::__construct($context, $exB);
        $this->_context = $context;
        $this->_exB = $exB;
        $this->_exC = $exC;
        $this->_data = $data;
    }
}