PhpBench\Util\TimeUnit::getMode PHP Method

    public function getMode($mode = null)
    {
        // if a mode is given, use that
        if ($mode) {
            return $mode;
        }
        // otherwise return the default
        return $this->mode;
    }

 /**
  * It should resolve given values to the overridden values in the case that
  * the values are overridden (dest unit and mode).
  */
 public function testResolveDestUnitAndModeAndPrecision()
 {
     $unit = new TimeUnit(TimeUnit::SECONDS, TimeUnit::MINUTES, TimeUnit::MODE_THROUGHPUT, 10);
     $this->assertEquals(TimeUnit::MILLISECONDS, $unit->resolveDestUnit(TimeUnit::MILLISECONDS));
     $this->assertEquals(TimeUnit::MODE_TIME, $unit->getMode(TimeUnit::MODE_TIME));
     $this->assertEquals(5, $unit->resolvePrecision(5));
     $unit->overrideDestUnit(TimeUnit::DAYS);
     $unit->overrideMode(TimeUnit::MODE_TIME);
     $unit->overridePrecision(15);
     $this->assertEquals(TimeUnit::DAYS, $unit->resolveDestUnit(TimeUnit::MINUTES));
     $this->assertEquals(TimeUnit::MODE_TIME, $unit->resolveMode(TimeUnit::MODE_THROUGHPUT));
     $this->assertEquals(15, $unit->resolvePrecision(5));
 }