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'); }