[COMPOSER] Add new php-ffmpeg package

vendor/symfony/stopwatch/.gitignore

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+vendor/
+composer.lock
+phpunit.xml

vendor/symfony/stopwatch/LICENSE

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+Copyright (c) 2004-2018 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/symfony/stopwatch/README.md

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+Stopwatch Component
+===================
+
+The Stopwatch component provides a way to profile code.
+
+Resources
+---------
+
+  * [Documentation](https://symfony.com/doc/current/components/stopwatch.html)
+  * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+  * [Report issues](https://github.com/symfony/symfony/issues) and
+    [send Pull Requests](https://github.com/symfony/symfony/pulls)
+    in the [main Symfony repository](https://github.com/symfony/symfony)

vendor/symfony/stopwatch/Section.php

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+<?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\Stopwatch;
+
+/**
+ * Stopwatch section.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Section
+{
+    /**
+     * @var StopwatchEvent[]
+     */
+    private $events = array();
+
+    /**
+     * @var float|null
+     */
+    private $origin;
+
+    /**
+     * @var string
+     */
+    private $id;
+
+    /**
+     * @var Section[]
+     */
+    private $children = array();
+
+    /**
+     * @param float|null $origin Set the origin of the events in this section, use null to set their origin to their start time
+     */
+    public function __construct($origin = null)
+    {
+        $this->origin = is_numeric($origin) ? $origin : null;
+    }
+
+    /**
+     * Returns the child section.
+     *
+     * @param string $id The child section identifier
+     *
+     * @return self|null The child section or null when none found
+     */
+    public function get($id)
+    {
+        foreach ($this->children as $child) {
+            if ($id === $child->getId()) {
+                return $child;
+            }
+        }
+    }
+
+    /**
+     * Creates or re-opens a child section.
+     *
+     * @param string|null $id Null to create a new section, the identifier to re-open an existing one
+     *
+     * @return self
+     */
+    public function open($id)
+    {
+        if (null === $session = $this->get($id)) {
+            $session = $this->children[] = new self(microtime(true) * 1000);
+        }
+
+        return $session;
+    }
+
+    /**
+     * @return string The identifier of the section
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Sets the session identifier.
+     *
+     * @param string $id The session identifier
+     *
+     * @return $this
+     */
+    public function setId($id)
+    {
+        $this->id = $id;
+
+        return $this;
+    }
+
+    /**
+     * Starts an event.
+     *
+     * @param string $name     The event name
+     * @param string $category The event category
+     *
+     * @return StopwatchEvent The event
+     */
+    public function startEvent($name, $category)
+    {
+        if (!isset($this->events[$name])) {
+            $this->events[$name] = new StopwatchEvent($this->origin ?: microtime(true) * 1000, $category);
+        }
+
+        return $this->events[$name]->start();
+    }
+
+    /**
+     * Checks if the event was started.
+     *
+     * @param string $name The event name
+     *
+     * @return bool
+     */
+    public function isEventStarted($name)
+    {
+        return isset($this->events[$name]) && $this->events[$name]->isStarted();
+    }
+
+    /**
+     * Stops an event.
+     *
+     * @param string $name The event name
+     *
+     * @return StopwatchEvent The event
+     *
+     * @throws \LogicException When the event has not been started
+     */
+    public function stopEvent($name)
+    {
+        if (!isset($this->events[$name])) {
+            throw new \LogicException(sprintf('Event "%s" is not started.', $name));
+        }
+
+        return $this->events[$name]->stop();
+    }
+
+    /**
+     * Stops then restarts an event.
+     *
+     * @param string $name The event name
+     *
+     * @return StopwatchEvent The event
+     *
+     * @throws \LogicException When the event has not been started
+     */
+    public function lap($name)
+    {
+        return $this->stopEvent($name)->start();
+    }
+
+    /**
+     * Returns a specific event by name.
+     *
+     * @param string $name The event name
+     *
+     * @return StopwatchEvent The event
+     *
+     * @throws \LogicException When the event is not known
+     */
+    public function getEvent($name)
+    {
+        if (!isset($this->events[$name])) {
+            throw new \LogicException(sprintf('Event "%s" is not known.', $name));
+        }
+
+        return $this->events[$name];
+    }
+
+    /**
+     * Returns the events from this section.
+     *
+     * @return StopwatchEvent[] An array of StopwatchEvent instances
+     */
+    public function getEvents()
+    {
+        return $this->events;
+    }
+}

vendor/symfony/stopwatch/Stopwatch.php

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+<?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\Stopwatch;
+
+/**
+ * Stopwatch provides a way to profile code.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Stopwatch
+{
+    /**
+     * @var Section[]
+     */
+    private $sections;
+
+    /**
+     * @var Section[]
+     */
+    private $activeSections;
+
+    public function __construct()
+    {
+        $this->sections = $this->activeSections = array('__root__' => new Section(null));
+    }
+
+    /**
+     * @return Section[]
+     */
+    public function getSections()
+    {
+        return $this->sections;
+    }
+
+    /**
+     * Creates a new section or re-opens an existing section.
+     *
+     * @param string|null $id The id of the session to re-open, null to create a new one
+     *
+     * @throws \LogicException When the section to re-open is not reachable
+     */
+    public function openSection($id = null)
+    {
+        $current = end($this->activeSections);
+
+        if (null !== $id && null === $current->get($id)) {
+            throw new \LogicException(sprintf('The section "%s" has been started at an other level and can not be opened.', $id));
+        }
+
+        $this->start('__section__.child', 'section');
+        $this->activeSections[] = $current->open($id);
+        $this->start('__section__');
+    }
+
+    /**
+     * Stops the last started section.
+     *
+     * The id parameter is used to retrieve the events from this section.
+     *
+     * @see getSectionEvents()
+     *
+     * @param string $id The identifier of the section
+     *
+     * @throws \LogicException When there's no started section to be stopped
+     */
+    public function stopSection($id)
+    {
+        $this->stop('__section__');
+
+        if (1 == \count($this->activeSections)) {
+            throw new \LogicException('There is no started section to stop.');
+        }
+
+        $this->sections[$id] = array_pop($this->activeSections)->setId($id);
+        $this->stop('__section__.child');
+    }
+
+    /**
+     * Starts an event.
+     *
+     * @param string $name     The event name
+     * @param string $category The event category
+     *
+     * @return StopwatchEvent
+     */
+    public function start($name, $category = null)
+    {
+        return end($this->activeSections)->startEvent($name, $category);
+    }
+
+    /**
+     * Checks if the event was started.
+     *
+     * @param string $name The event name
+     *
+     * @return bool
+     */
+    public function isStarted($name)
+    {
+        return end($this->activeSections)->isEventStarted($name);
+    }
+
+    /**
+     * Stops an event.
+     *
+     * @param string $name The event name
+     *
+     * @return StopwatchEvent
+     */
+    public function stop($name)
+    {
+        return end($this->activeSections)->stopEvent($name);
+    }
+
+    /**
+     * Stops then restarts an event.
+     *
+     * @param string $name The event name
+     *
+     * @return StopwatchEvent
+     */
+    public function lap($name)
+    {
+        return end($this->activeSections)->stopEvent($name)->start();
+    }
+
+    /**
+     * Returns a specific event by name.
+     *
+     * @param string $name The event name
+     *
+     * @return StopwatchEvent
+     */
+    public function getEvent($name)
+    {
+        return end($this->activeSections)->getEvent($name);
+    }
+
+    /**
+     * Gets all events for a given section.
+     *
+     * @param string $id A section identifier
+     *
+     * @return StopwatchEvent[]
+     */
+    public function getSectionEvents($id)
+    {
+        return isset($this->sections[$id]) ? $this->sections[$id]->getEvents() : array();
+    }
+}

vendor/symfony/stopwatch/StopwatchEvent.php

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+<?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\Stopwatch;
+
+/**
+ * Represents an Event managed by Stopwatch.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class StopwatchEvent
+{
+    /**
+     * @var StopwatchPeriod[]
+     */
+    private $periods = array();
+
+    /**
+     * @var float
+     */
+    private $origin;
+
+    /**
+     * @var string
+     */
+    private $category;
+
+    /**
+     * @var float[]
+     */
+    private $started = array();
+
+    /**
+     * @param float       $origin   The origin time in milliseconds
+     * @param string|null $category The event category or null to use the default
+     *
+     * @throws \InvalidArgumentException When the raw time is not valid
+     */
+    public function __construct($origin, $category = null)
+    {
+        $this->origin = $this->formatTime($origin);
+        $this->category = \is_string($category) ? $category : 'default';
+    }
+
+    /**
+     * Gets the category.
+     *
+     * @return string The category
+     */
+    public function getCategory()
+    {
+        return $this->category;
+    }
+
+    /**
+     * Gets the origin.
+     *
+     * @return float The origin in milliseconds
+     */
+    public function getOrigin()
+    {
+        return $this->origin;
+    }
+
+    /**
+     * Starts a new event period.
+     *
+     * @return $this
+     */
+    public function start()
+    {
+        $this->started[] = $this->getNow();
+
+        return $this;
+    }
+
+    /**
+     * Stops the last started event period.
+     *
+     * @return $this
+     *
+     * @throws \LogicException When stop() is called without a matching call to start()
+     */
+    public function stop()
+    {
+        if (!\count($this->started)) {
+            throw new \LogicException('stop() called but start() has not been called before.');
+        }
+
+        $this->periods[] = new StopwatchPeriod(array_pop($this->started), $this->getNow());
+
+        return $this;
+    }
+
+    /**
+     * Checks if the event was started.
+     *
+     * @return bool
+     */
+    public function isStarted()
+    {
+        return !empty($this->started);
+    }
+
+    /**
+     * Stops the current period and then starts a new one.
+     *
+     * @return $this
+     */
+    public function lap()
+    {
+        return $this->stop()->start();
+    }
+
+    /**
+     * Stops all non already stopped periods.
+     */
+    public function ensureStopped()
+    {
+        while (\count($this->started)) {
+            $this->stop();
+        }
+    }
+
+    /**
+     * Gets all event periods.
+     *
+     * @return StopwatchPeriod[] An array of StopwatchPeriod instances
+     */
+    public function getPeriods()
+    {
+        return $this->periods;
+    }
+
+    /**
+     * Gets the relative time of the start of the first period.
+     *
+     * @return int The time (in milliseconds)
+     */
+    public function getStartTime()
+    {
+        return isset($this->periods[0]) ? $this->periods[0]->getStartTime() : 0;
+    }
+
+    /**
+     * Gets the relative time of the end of the last period.
+     *
+     * @return int The time (in milliseconds)
+     */
+    public function getEndTime()
+    {
+        $count = \count($this->periods);
+
+        return $count ? $this->periods[$count - 1]->getEndTime() : 0;
+    }
+
+    /**
+     * Gets the duration of the events (including all periods).
+     *
+     * @return int The duration (in milliseconds)
+     */
+    public function getDuration()
+    {
+        $periods = $this->periods;
+        $stopped = \count($periods);
+        $left = \count($this->started) - $stopped;
+
+        for ($i = 0; $i < $left; ++$i) {
+            $index = $stopped + $i;
+            $periods[] = new StopwatchPeriod($this->started[$index], $this->getNow());
+        }
+
+        $total = 0;
+        foreach ($periods as $period) {
+            $total += $period->getDuration();
+        }
+
+        return $total;
+    }
+
+    /**
+     * Gets the max memory usage of all periods.
+     *
+     * @return int The memory usage (in bytes)
+     */
+    public function getMemory()
+    {
+        $memory = 0;
+        foreach ($this->periods as $period) {
+            if ($period->getMemory() > $memory) {
+                $memory = $period->getMemory();
+            }
+        }
+
+        return $memory;
+    }
+
+    /**
+     * Return the current time relative to origin.
+     *
+     * @return float Time in ms
+     */
+    protected function getNow()
+    {
+        return $this->formatTime(microtime(true) * 1000 - $this->origin);
+    }
+
+    /**
+     * Formats a time.
+     *
+     * @param int|float $time A raw time
+     *
+     * @return float The formatted time
+     *
+     * @throws \InvalidArgumentException When the raw time is not valid
+     */
+    private function formatTime($time)
+    {
+        if (!is_numeric($time)) {
+            throw new \InvalidArgumentException('The time must be a numerical value');
+        }
+
+        return round($time, 1);
+    }
+
+    /**
+     * @return string
+     */
+    public function __toString()
+    {
+        return sprintf('%s: %.2F MiB - %d ms', $this->getCategory(), $this->getMemory() / 1024 / 1024, $this->getDuration());
+    }
+}

vendor/symfony/stopwatch/StopwatchPeriod.php

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+<?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\Stopwatch;
+
+/**
+ * Represents an Period for an Event.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class StopwatchPeriod
+{
+    private $start;
+    private $end;
+    private $memory;
+
+    /**
+     * @param int $start The relative time of the start of the period (in milliseconds)
+     * @param int $end   The relative time of the end of the period (in milliseconds)
+     */
+    public function __construct($start, $end)
+    {
+        $this->start = (int) $start;
+        $this->end = (int) $end;
+        $this->memory = memory_get_usage(true);
+    }
+
+    /**
+     * Gets the relative time of the start of the period.
+     *
+     * @return int The time (in milliseconds)
+     */
+    public function getStartTime()
+    {
+        return $this->start;
+    }
+
+    /**
+     * Gets the relative time of the end of the period.
+     *
+     * @return int The time (in milliseconds)
+     */
+    public function getEndTime()
+    {
+        return $this->end;
+    }
+
+    /**
+     * Gets the time spent in this period.
+     *
+     * @return int The period duration (in milliseconds)
+     */
+    public function getDuration()
+    {
+        return $this->end - $this->start;
+    }
+
+    /**
+     * Gets the memory usage.
+     *
+     * @return int The memory usage (in bytes)
+     */
+    public function getMemory()
+    {
+        return $this->memory;
+    }
+}

vendor/symfony/stopwatch/Tests/StopwatchEventTest.php

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+<?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\Stopwatch\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Stopwatch\StopwatchEvent;
+
+/**
+ * StopwatchEventTest.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @group time-sensitive
+ */
+class StopwatchEventTest extends TestCase
+{
+    const DELTA = 37;
+
+    public function testGetOrigin()
+    {
+        $event = new StopwatchEvent(12);
+        $this->assertEquals(12, $event->getOrigin());
+    }
+
+    public function testGetCategory()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $this->assertEquals('default', $event->getCategory());
+
+        $event = new StopwatchEvent(microtime(true) * 1000, 'cat');
+        $this->assertEquals('cat', $event->getCategory());
+    }
+
+    public function testGetPeriods()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $this->assertEquals(array(), $event->getPeriods());
+
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        $event->stop();
+        $this->assertCount(1, $event->getPeriods());
+
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        $event->stop();
+        $event->start();
+        $event->stop();
+        $this->assertCount(2, $event->getPeriods());
+    }
+
+    public function testLap()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        $event->lap();
+        $event->stop();
+        $this->assertCount(2, $event->getPeriods());
+    }
+
+    public function testDuration()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        usleep(200000);
+        $event->stop();
+        $this->assertEquals(200, $event->getDuration(), null, self::DELTA);
+
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        usleep(100000);
+        $event->stop();
+        usleep(50000);
+        $event->start();
+        usleep(100000);
+        $event->stop();
+        $this->assertEquals(200, $event->getDuration(), null, self::DELTA);
+    }
+
+    public function testDurationBeforeStop()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        usleep(200000);
+        $this->assertEquals(200, $event->getDuration(), null, self::DELTA);
+
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        usleep(100000);
+        $event->stop();
+        usleep(50000);
+        $event->start();
+        usleep(100000);
+        $this->assertEquals(100, $event->getDuration(), null, self::DELTA);
+    }
+
+    /**
+     * @expectedException \LogicException
+     */
+    public function testStopWithoutStart()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->stop();
+    }
+
+    public function testIsStarted()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        $this->assertTrue($event->isStarted());
+    }
+
+    public function testIsNotStarted()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $this->assertFalse($event->isStarted());
+    }
+
+    public function testEnsureStopped()
+    {
+        // this also test overlap between two periods
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        usleep(100000);
+        $event->start();
+        usleep(100000);
+        $event->ensureStopped();
+        $this->assertEquals(300, $event->getDuration(), null, self::DELTA);
+    }
+
+    public function testStartTime()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $this->assertLessThanOrEqual(0.5, $event->getStartTime());
+
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        $event->stop();
+        $this->assertLessThanOrEqual(1, $event->getStartTime());
+
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $event->start();
+        usleep(100000);
+        $event->stop();
+        $this->assertEquals(0, $event->getStartTime(), null, self::DELTA);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testInvalidOriginThrowsAnException()
+    {
+        new StopwatchEvent('abc');
+    }
+
+    public function testHumanRepresentation()
+    {
+        $event = new StopwatchEvent(microtime(true) * 1000);
+        $this->assertEquals('default: 0.00 MiB - 0 ms', (string) $event);
+        $event->start();
+        $event->stop();
+        $this->assertEquals(1, preg_match('/default: [0-9\.]+ MiB - [0-9]+ ms/', (string) $event));
+
+        $event = new StopwatchEvent(microtime(true) * 1000, 'foo');
+        $this->assertEquals('foo: 0.00 MiB - 0 ms', (string) $event);
+    }
+}

vendor/symfony/stopwatch/Tests/StopwatchTest.php

@@ -0,0 +1,156 @@
+<?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\Stopwatch\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Stopwatch\Stopwatch;
+
+/**
+ * StopwatchTest.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @group time-sensitive
+ */
+class StopwatchTest extends TestCase
+{
+    const DELTA = 20;
+
+    public function testStart()
+    {
+        $stopwatch = new Stopwatch();
+        $event = $stopwatch->start('foo', 'cat');
+
+        $this->assertInstanceOf('Symfony\Component\Stopwatch\StopwatchEvent', $event);
+        $this->assertEquals('cat', $event->getCategory());
+        $this->assertSame($event, $stopwatch->getEvent('foo'));
+    }
+
+    public function testIsStarted()
+    {
+        $stopwatch = new Stopwatch();
+        $stopwatch->start('foo', 'cat');
+
+        $this->assertTrue($stopwatch->isStarted('foo'));
+    }
+
+    public function testIsNotStarted()
+    {
+        $stopwatch = new Stopwatch();
+
+        $this->assertFalse($stopwatch->isStarted('foo'));
+    }
+
+    public function testIsNotStartedEvent()
+    {
+        $stopwatch = new Stopwatch();
+
+        $sections = new \ReflectionProperty('Symfony\Component\Stopwatch\Stopwatch', 'sections');
+        $sections->setAccessible(true);
+        $section = $sections->getValue($stopwatch);
+
+        $events = new \ReflectionProperty('Symfony\Component\Stopwatch\Section', 'events');
+        $events->setAccessible(true);
+
+        $stopwatchMockEvent = $this->getMockBuilder('Symfony\Component\Stopwatch\StopwatchEvent')
+            ->setConstructorArgs(array(microtime(true) * 1000))
+            ->getMock()
+        ;
+
+        $events->setValue(end($section), array('foo' => $stopwatchMockEvent));
+
+        $this->assertFalse($stopwatch->isStarted('foo'));
+    }
+
+    public function testStop()
+    {
+        $stopwatch = new Stopwatch();
+        $stopwatch->start('foo', 'cat');
+        usleep(200000);
+        $event = $stopwatch->stop('foo');
+
+        $this->assertInstanceOf('Symfony\Component\Stopwatch\StopwatchEvent', $event);
+        $this->assertEquals(200, $event->getDuration(), null, self::DELTA);
+    }
+
+    /**
+     * @expectedException \LogicException
+     */
+    public function testUnknownEvent()
+    {
+        $stopwatch = new Stopwatch();
+        $stopwatch->getEvent('foo');
+    }
+
+    /**
+     * @expectedException \LogicException
+     */
+    public function testStopWithoutStart()
+    {
+        $stopwatch = new Stopwatch();
+        $stopwatch->stop('foo');
+    }
+
+    public function testSection()
+    {
+        $stopwatch = new Stopwatch();
+
+        $stopwatch->openSection();
+        $stopwatch->start('foo', 'cat');
+        $stopwatch->stop('foo');
+        $stopwatch->start('bar', 'cat');
+        $stopwatch->stop('bar');
+        $stopwatch->stopSection('1');
+
+        $stopwatch->openSection();
+        $stopwatch->start('foobar', 'cat');
+        $stopwatch->stop('foobar');
+        $stopwatch->stopSection('2');
+
+        $stopwatch->openSection();
+        $stopwatch->start('foobar', 'cat');
+        $stopwatch->stop('foobar');
+        $stopwatch->stopSection('0');
+
+        // the section is an event by itself
+        $this->assertCount(3, $stopwatch->getSectionEvents('1'));
+        $this->assertCount(2, $stopwatch->getSectionEvents('2'));
+        $this->assertCount(2, $stopwatch->getSectionEvents('0'));
+    }
+
+    public function testReopenASection()
+    {
+        $stopwatch = new Stopwatch();
+
+        $stopwatch->openSection();
+        $stopwatch->start('foo', 'cat');
+        $stopwatch->stopSection('section');
+
+        $stopwatch->openSection('section');
+        $stopwatch->start('bar', 'cat');
+        $stopwatch->stopSection('section');
+
+        $events = $stopwatch->getSectionEvents('section');
+
+        $this->assertCount(3, $events);
+        $this->assertCount(2, $events['__section__']->getPeriods());
+    }
+
+    /**
+     * @expectedException \LogicException
+     */
+    public function testReopenANewSectionShouldThrowAnException()
+    {
+        $stopwatch = new Stopwatch();
+        $stopwatch->openSection('section');
+    }
+}

vendor/symfony/stopwatch/composer.json

@@ -0,0 +1,33 @@
+{
+    "name": "symfony/stopwatch",
+    "type": "library",
+    "description": "Symfony Stopwatch Component",
+    "keywords": [],
+    "homepage": "https://symfony.com",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Fabien Potencier",
+            "email": "fabien@symfony.com"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.9"
+    },
+    "autoload": {
+        "psr-4": { "Symfony\\Component\\Stopwatch\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
+    },
+    "minimum-stability": "dev",
+    "extra": {
+        "branch-alias": {
+            "dev-master": "2.8-dev"
+        }
+    }
+}

vendor/symfony/stopwatch/phpunit.xml.dist

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/5.2/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="vendor/autoload.php"
+         failOnRisky="true"
+         failOnWarning="true"
+>
+    <php>
+        <ini name="error_reporting" value="-1" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Symfony Stopwatch Component Test Suite">
+            <directory>./Tests/</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>./</directory>
+            <exclude>
+                <directory>./Tests</directory>
+                <directory>./vendor</directory>
+            </exclude>
+        </whitelist>
+    </filter>
+</phpunit>