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vendor/phpspec/prophecy/src/Prophecy/Promise/CallbackPromise.php

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+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *     Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Promise;
+
+use Prophecy\Prophecy\ObjectProphecy;
+use Prophecy\Prophecy\MethodProphecy;
+use Prophecy\Exception\InvalidArgumentException;
+use Closure;
+
+/**
+ * Callback promise.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class CallbackPromise implements PromiseInterface
+{
+    private $callback;
+
+    /**
+     * Initializes callback promise.
+     *
+     * @param callable $callback Custom callback
+     *
+     * @throws \Prophecy\Exception\InvalidArgumentException
+     */
+    public function __construct($callback)
+    {
+        if (!is_callable($callback)) {
+            throw new InvalidArgumentException(sprintf(
+                'Callable expected as an argument to CallbackPromise, but got %s.',
+                gettype($callback)
+            ));
+        }
+
+        $this->callback = $callback;
+    }
+
+    /**
+     * Evaluates promise callback.
+     *
+     * @param array          $args
+     * @param ObjectProphecy $object
+     * @param MethodProphecy $method
+     *
+     * @return mixed
+     */
+    public function execute(array $args, ObjectProphecy $object, MethodProphecy $method)
+    {
+        $callback = $this->callback;
+
+        if ($callback instanceof Closure && method_exists('Closure', 'bind')) {
+            $callback = Closure::bind($callback, $object);
+        }
+
+        return call_user_func($callback, $args, $object, $method);
+    }
+}

vendor/phpspec/prophecy/src/Prophecy/Promise/PromiseInterface.php

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+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *     Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Promise;
+
+use Prophecy\Prophecy\ObjectProphecy;
+use Prophecy\Prophecy\MethodProphecy;
+
+/**
+ * Promise interface.
+ * Promises are logical blocks, tied to `will...` keyword.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+interface PromiseInterface
+{
+    /**
+     * Evaluates promise.
+     *
+     * @param array          $args
+     * @param ObjectProphecy $object
+     * @param MethodProphecy $method
+     *
+     * @return mixed
+     */
+    public function execute(array $args, ObjectProphecy $object, MethodProphecy $method);
+}

vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php

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+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *     Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Promise;
+
+use Prophecy\Exception\InvalidArgumentException;
+use Prophecy\Prophecy\ObjectProphecy;
+use Prophecy\Prophecy\MethodProphecy;
+
+/**
+ * Return argument promise.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class ReturnArgumentPromise implements PromiseInterface
+{
+    /**
+     * @var int
+     */
+    private $index;
+
+    /**
+     * Initializes callback promise.
+     *
+     * @param int $index The zero-indexed number of the argument to return
+     *
+     * @throws \Prophecy\Exception\InvalidArgumentException
+     */
+    public function __construct($index = 0)
+    {
+        if (!is_int($index) || $index < 0) {
+            throw new InvalidArgumentException(sprintf(
+                'Zero-based index expected as argument to ReturnArgumentPromise, but got %s.',
+                $index
+            ));
+        }
+        $this->index = $index;
+    }
+
+    /**
+     * Returns nth argument if has one, null otherwise.
+     *
+     * @param array          $args
+     * @param ObjectProphecy $object
+     * @param MethodProphecy $method
+     *
+     * @return null|mixed
+     */
+    public function execute(array $args, ObjectProphecy $object, MethodProphecy $method)
+    {
+        return count($args) > $this->index ? $args[$this->index] : null;
+    }
+}

vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnPromise.php

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+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *     Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Promise;
+
+use Prophecy\Prophecy\ObjectProphecy;
+use Prophecy\Prophecy\MethodProphecy;
+
+/**
+ * Return promise.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class ReturnPromise implements PromiseInterface
+{
+    private $returnValues = array();
+
+    /**
+     * Initializes promise.
+     *
+     * @param array $returnValues Array of values
+     */
+    public function __construct(array $returnValues)
+    {
+        $this->returnValues = $returnValues;
+    }
+
+    /**
+     * Returns saved values one by one until last one, then continuously returns last value.
+     *
+     * @param array          $args
+     * @param ObjectProphecy $object
+     * @param MethodProphecy $method
+     *
+     * @return mixed
+     */
+    public function execute(array $args, ObjectProphecy $object, MethodProphecy $method)
+    {
+        $value = array_shift($this->returnValues);
+
+        if (!count($this->returnValues)) {
+            $this->returnValues[] = $value;
+        }
+
+        return $value;
+    }
+}

vendor/phpspec/prophecy/src/Prophecy/Promise/ThrowPromise.php

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+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *     Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Promise;
+
+use Doctrine\Instantiator\Instantiator;
+use Prophecy\Prophecy\ObjectProphecy;
+use Prophecy\Prophecy\MethodProphecy;
+use Prophecy\Exception\InvalidArgumentException;
+use ReflectionClass;
+
+/**
+ * Throw promise.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class ThrowPromise implements PromiseInterface
+{
+    private $exception;
+
+    /**
+     * @var \Doctrine\Instantiator\Instantiator
+     */
+    private $instantiator;
+
+    /**
+     * Initializes promise.
+     *
+     * @param string|\Exception|\Throwable $exception Exception class name or instance
+     *
+     * @throws \Prophecy\Exception\InvalidArgumentException
+     */
+    public function __construct($exception)
+    {
+        if (is_string($exception)) {
+            if (!class_exists($exception) || !$this->isAValidThrowable($exception)) {
+                throw new InvalidArgumentException(sprintf(
+                    'Exception / Throwable class or instance expected as argument to ThrowPromise, but got %s.',
+                    $exception
+                ));
+            }
+        } elseif (!$exception instanceof \Exception && !$exception instanceof \Throwable) {
+            throw new InvalidArgumentException(sprintf(
+                'Exception / Throwable class or instance expected as argument to ThrowPromise, but got %s.',
+                is_object($exception) ? get_class($exception) : gettype($exception)
+            ));
+        }
+
+        $this->exception = $exception;
+    }
+
+    /**
+     * Throws predefined exception.
+     *
+     * @param array          $args
+     * @param ObjectProphecy $object
+     * @param MethodProphecy $method
+     *
+     * @throws object
+     */
+    public function execute(array $args, ObjectProphecy $object, MethodProphecy $method)
+    {
+        if (is_string($this->exception)) {
+            $classname   = $this->exception;
+            $reflection  = new ReflectionClass($classname);
+            $constructor = $reflection->getConstructor();
+
+            if ($constructor->isPublic() && 0 == $constructor->getNumberOfRequiredParameters()) {
+                throw $reflection->newInstance();
+            }
+
+            if (!$this->instantiator) {
+                $this->instantiator = new Instantiator();
+            }
+
+            throw $this->instantiator->instantiate($classname);
+        }
+
+        throw $this->exception;
+    }
+
+    /**
+     * @param string $exception
+     *
+     * @return bool
+     */
+    private function isAValidThrowable($exception)
+    {
+        return is_a($exception, 'Exception', true) || is_subclass_of($exception, 'Throwable', true);
+    }
+}