Add Composer autoloading functions and PHPStan for testing

vendor/symfony/console/Tests/Output/ConsoleOutputTest.php

@@ -0,0 +1,42 @@
+<?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\Console\Tests\Output;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Console\Formatter\OutputFormatter;
+use Symfony\Component\Console\Output\ConsoleOutput;
+use Symfony\Component\Console\Output\Output;
+
+class ConsoleOutputTest extends TestCase
+{
+    public function testConstructor()
+    {
+        $output = new ConsoleOutput(Output::VERBOSITY_QUIET, true);
+        $this->assertEquals(Output::VERBOSITY_QUIET, $output->getVerbosity(), '__construct() takes the verbosity as its first argument');
+        $this->assertSame($output->getFormatter(), $output->getErrorOutput()->getFormatter(), '__construct() takes a formatter or null as the third argument');
+    }
+
+    public function testSetFormatter()
+    {
+        $output = new ConsoleOutput();
+        $outputFormatter = new OutputFormatter();
+        $output->setFormatter($outputFormatter);
+        $this->assertSame($outputFormatter, $output->getFormatter());
+    }
+
+    public function testSetVerbosity()
+    {
+        $output = new ConsoleOutput();
+        $output->setVerbosity(Output::VERBOSITY_VERBOSE);
+        $this->assertSame(Output::VERBOSITY_VERBOSE, $output->getVerbosity());
+    }
+}