public function testDestSuffixDefaultState()
{
$unit = new TimeUnit(TimeUnit::SECONDS, TimeUnit::MINUTES, TimeUnit::MODE_THROUGHPUT);
$this->assertEquals('ops/m', $unit->getDestSuffix());
$unit = new TimeUnit(TimeUnit::SECONDS, TimeUnit::MINUTES, TimeUnit::MODE_TIME);
$this->assertEquals('m', $unit->getDestSuffix());
}