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diff --git a/vendor/symfony/http-kernel/Tests/Controller/ArgumentResolverTest.php b/vendor/symfony/http-kernel/Tests/Controller/ArgumentResolverTest.php
new file mode 100644
index 000000000..062ef5c64
--- /dev/null
+++ b/vendor/symfony/http-kernel/Tests/Controller/ArgumentResolverTest.php
@@ -0,0 +1,275 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\Controller;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\DefaultValueResolver;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestAttributeValueResolver;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestValueResolver;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\VariadicValueResolver;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadataFactory;
+use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\ExtendingRequest;
+use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\NullableController;
+use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\VariadicController;
+use Symfony\Component\HttpFoundation\Request;
+
+class ArgumentResolverTest extends TestCase
+{
+    /** @var ArgumentResolver */
+    private static $resolver;
+
+    public static function setUpBeforeClass()
+    {
+        $factory = new ArgumentMetadataFactory();
+        $argumentValueResolvers = array(
+            new RequestAttributeValueResolver(),
+            new RequestValueResolver(),
+            new DefaultValueResolver(),
+            new VariadicValueResolver(),
+        );
+
+        self::$resolver = new ArgumentResolver($factory, $argumentValueResolvers);
+    }
+
+    public function testDefaultState()
+    {
+        $this->assertEquals(self::$resolver, new ArgumentResolver());
+        $this->assertNotEquals(self::$resolver, new ArgumentResolver(null, array(new RequestAttributeValueResolver())));
+    }
+
+    public function testGetArguments()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $controller = array(new self(), 'controllerWithFoo');
+
+        $this->assertEquals(array('foo'), self::$resolver->getArguments($request, $controller), '->getArguments() returns an array of arguments for the controller method');
+    }
+
+    public function testGetArgumentsReturnsEmptyArrayWhenNoArguments()
+    {
+        $request = Request::create('/');
+        $controller = array(new self(), 'controllerWithoutArguments');
+
+        $this->assertEquals(array(), self::$resolver->getArguments($request, $controller), '->getArguments() returns an empty array if the method takes no arguments');
+    }
+
+    public function testGetArgumentsUsesDefaultValue()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $controller = array(new self(), 'controllerWithFooAndDefaultBar');
+
+        $this->assertEquals(array('foo', null), self::$resolver->getArguments($request, $controller), '->getArguments() uses default values if present');
+    }
+
+    public function testGetArgumentsOverrideDefaultValueByRequestAttribute()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $request->attributes->set('bar', 'bar');
+        $controller = array(new self(), 'controllerWithFooAndDefaultBar');
+
+        $this->assertEquals(array('foo', 'bar'), self::$resolver->getArguments($request, $controller), '->getArguments() overrides default values if provided in the request attributes');
+    }
+
+    public function testGetArgumentsFromClosure()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $controller = function ($foo) {};
+
+        $this->assertEquals(array('foo'), self::$resolver->getArguments($request, $controller));
+    }
+
+    public function testGetArgumentsUsesDefaultValueFromClosure()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $controller = function ($foo, $bar = 'bar') {};
+
+        $this->assertEquals(array('foo', 'bar'), self::$resolver->getArguments($request, $controller));
+    }
+
+    public function testGetArgumentsFromInvokableObject()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $controller = new self();
+
+        $this->assertEquals(array('foo', null), self::$resolver->getArguments($request, $controller));
+
+        // Test default bar overridden by request attribute
+        $request->attributes->set('bar', 'bar');
+
+        $this->assertEquals(array('foo', 'bar'), self::$resolver->getArguments($request, $controller));
+    }
+
+    public function testGetArgumentsFromFunctionName()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $request->attributes->set('foobar', 'foobar');
+        $controller = __NAMESPACE__.'\controller_function';
+
+        $this->assertEquals(array('foo', 'foobar'), self::$resolver->getArguments($request, $controller));
+    }
+
+    public function testGetArgumentsFailsOnUnresolvedValue()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $request->attributes->set('foobar', 'foobar');
+        $controller = array(new self(), 'controllerWithFooBarFoobar');
+
+        try {
+            self::$resolver->getArguments($request, $controller);
+            $this->fail('->getArguments() throws a \RuntimeException exception if it cannot determine the argument value');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('\RuntimeException', $e, '->getArguments() throws a \RuntimeException exception if it cannot determine the argument value');
+        }
+    }
+
+    public function testGetArgumentsInjectsRequest()
+    {
+        $request = Request::create('/');
+        $controller = array(new self(), 'controllerWithRequest');
+
+        $this->assertEquals(array($request), self::$resolver->getArguments($request, $controller), '->getArguments() injects the request');
+    }
+
+    public function testGetArgumentsInjectsExtendingRequest()
+    {
+        $request = ExtendingRequest::create('/');
+        $controller = array(new self(), 'controllerWithExtendingRequest');
+
+        $this->assertEquals(array($request), self::$resolver->getArguments($request, $controller), '->getArguments() injects the request when extended');
+    }
+
+    /**
+     * @requires PHP 5.6
+     */
+    public function testGetVariadicArguments()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $request->attributes->set('bar', array('foo', 'bar'));
+        $controller = array(new VariadicController(), 'action');
+
+        $this->assertEquals(array('foo', 'foo', 'bar'), self::$resolver->getArguments($request, $controller));
+    }
+
+    /**
+     * @requires PHP 5.6
+     * @expectedException \InvalidArgumentException
+     */
+    public function testGetVariadicArgumentsWithoutArrayInRequest()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $request->attributes->set('bar', 'foo');
+        $controller = array(new VariadicController(), 'action');
+
+        self::$resolver->getArguments($request, $controller);
+    }
+
+    /**
+     * @requires PHP 5.6
+     * @expectedException \InvalidArgumentException
+     */
+    public function testGetArgumentWithoutArray()
+    {
+        $factory = new ArgumentMetadataFactory();
+        $valueResolver = $this->getMockBuilder(ArgumentValueResolverInterface::class)->getMock();
+        $resolver = new ArgumentResolver($factory, array($valueResolver));
+
+        $valueResolver->expects($this->any())->method('supports')->willReturn(true);
+        $valueResolver->expects($this->any())->method('resolve')->willReturn('foo');
+
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $request->attributes->set('bar', 'foo');
+        $controller = array($this, 'controllerWithFooAndDefaultBar');
+        $resolver->getArguments($request, $controller);
+    }
+
+    /**
+     * @expectedException \RuntimeException
+     */
+    public function testIfExceptionIsThrownWhenMissingAnArgument()
+    {
+        $request = Request::create('/');
+        $controller = array($this, 'controllerWithFoo');
+
+        self::$resolver->getArguments($request, $controller);
+    }
+
+    /**
+     * @requires PHP 7.1
+     */
+    public function testGetNullableArguments()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('foo', 'foo');
+        $request->attributes->set('bar', new \stdClass());
+        $request->attributes->set('mandatory', 'mandatory');
+        $controller = array(new NullableController(), 'action');
+
+        $this->assertEquals(array('foo', new \stdClass(), 'value', 'mandatory'), self::$resolver->getArguments($request, $controller));
+    }
+
+    /**
+     * @requires PHP 7.1
+     */
+    public function testGetNullableArgumentsWithDefaults()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('mandatory', 'mandatory');
+        $controller = array(new NullableController(), 'action');
+
+        $this->assertEquals(array(null, null, 'value', 'mandatory'), self::$resolver->getArguments($request, $controller));
+    }
+
+    public function __invoke($foo, $bar = null)
+    {
+    }
+
+    public function controllerWithFoo($foo)
+    {
+    }
+
+    public function controllerWithoutArguments()
+    {
+    }
+
+    protected function controllerWithFooAndDefaultBar($foo, $bar = null)
+    {
+    }
+
+    protected function controllerWithFooBarFoobar($foo, $bar, $foobar)
+    {
+    }
+
+    protected function controllerWithRequest(Request $request)
+    {
+    }
+
+    protected function controllerWithExtendingRequest(ExtendingRequest $request)
+    {
+    }
+}
+
+function controller_function($foo, $foobar)
+{
+}