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<?php
namespace Symfony\Component\Console\Tests\Output;
use Symfony\Component\Console\Output\NullOutput;
use Symfony\Component\Console\Output\OutputInterface;
class NullOutputTest extends \PHPUnit_Framework_TestCase
{
public function testConstructor()
{
$output = new NullOutput();
ob_start();
$output->write('foo');
$buffer = ob_get_clean();
$this->assertSame('', $buffer, '->write() does nothing (at least nothing is printed)');
$this->assertFalse($output->isDecorated(), '->isDecorated() returns false');
}
public function testVerbosity()
{
$output = new NullOutput();
$this->assertSame(OutputInterface::VERBOSITY_QUIET, $output->getVerbosity(), '->getVerbosity() returns VERBOSITY_QUIET for NullOutput by default');
$output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
$this->assertSame(OutputInterface::VERBOSITY_QUIET, $output->getVerbosity(), '->getVerbosity() always returns VERBOSITY_QUIET for NullOutput');
}
}