Neos\Flow\Tests\Unit\ResourceManagement\PersistentResourceTest::setFilenameSetsTheMediaType PHP Method

    public function setFilenameSetsTheMediaType()
    {
        $resource = new PersistentResource();
        $resource->setFilename('Something.jpg');
        $this->assertSame('image/jpeg', $resource->getMediaType());
        $resource->setFilename('Something.png');
        $this->assertSame('image/png', $resource->getMediaType());
        $resource->setFilename('Something.Jpeg');
        $this->assertSame('image/jpeg', $resource->getMediaType());
    }