Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

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

@@ -0,0 +1,60 @@
+<?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 Symfony\Component\Console\Output\Output;
+use Symfony\Component\Console\Output\StreamOutput;
+
+class StreamOutputTest extends \PHPUnit_Framework_TestCase
+{
+    protected $stream;
+
+    protected function setUp()
+    {
+        $this->stream = fopen('php://memory', 'a', false);
+    }
+
+    protected function tearDown()
+    {
+        $this->stream = null;
+    }
+
+    public function testConstructor()
+    {
+        $output = new StreamOutput($this->stream, Output::VERBOSITY_QUIET, true);
+        $this->assertEquals(Output::VERBOSITY_QUIET, $output->getVerbosity(), '__construct() takes the verbosity as its first argument');
+        $this->assertTrue($output->isDecorated(), '__construct() takes the decorated flag as its second argument');
+    }
+
+    /**
+     * @expectedException        \InvalidArgumentException
+     * @expectedExceptionMessage The StreamOutput class needs a stream as its first argument.
+     */
+    public function testStreamIsRequired()
+    {
+        new StreamOutput('foo');
+    }
+
+    public function testGetStream()
+    {
+        $output = new StreamOutput($this->stream);
+        $this->assertEquals($this->stream, $output->getStream(), '->getStream() returns the current stream');
+    }
+
+    public function testDoWrite()
+    {
+        $output = new StreamOutput($this->stream);
+        $output->writeln('foo');
+        rewind($output->getStream());
+        $this->assertEquals('foo'.PHP_EOL, stream_get_contents($output->getStream()), '->doWrite() writes to the stream');
+    }
+}