class StopwatchEventTest

class StopwatchEventTest extends \PHPUnit_Framework_TestCase {
  public function testGetOrigin() {
    $event = new StopwatchEvent(12);
    $this
      ->assertEquals(12, $event
      ->getOrigin());
  }
  public function testGetCategory() {
    $event = new StopwatchEvent(microtime(true) * 1000);
    $this
      ->assertEquals('default', $event
      ->getCategory());
    $event = new StopwatchEvent(microtime(true) * 1000, 'cat');
    $this
      ->assertEquals('cat', $event
      ->getCategory());
  }
  public function testGetPeriods() {
    $event = new StopwatchEvent(microtime(true) * 1000);
    $this
      ->assertEquals(array(), $event
      ->getPeriods());
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    $event
      ->stop();
    $this
      ->assertCount(1, $event
      ->getPeriods());
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    $event
      ->stop();
    $event
      ->start();
    $event
      ->stop();
    $this
      ->assertCount(2, $event
      ->getPeriods());
  }
  public function testLap() {
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    $event
      ->lap();
    $event
      ->stop();
    $this
      ->assertCount(2, $event
      ->getPeriods());
  }
  public function testTotalTime() {
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    usleep(20000);
    $event
      ->stop();
    $total = $event
      ->getTotalTime();
    $this
      ->assertTrue($total >= 11 && $total <= 29, $total . ' should be 20 (between 11 and 29)');
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    usleep(10000);
    $event
      ->stop();
    $event
      ->start();
    usleep(10000);
    $event
      ->stop();
    $total = $event
      ->getTotalTime();
    $this
      ->assertTrue($total >= 11 && $total <= 29, $total . ' should be 20 (between 11 and 29)');
  }

  /**
   * @expectedException \LogicException
   */
  public function testStopWithoutStart() {
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->stop();
  }
  public function testEnsureStopped() {

    // this also test overlap between two periods
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    usleep(10000);
    $event
      ->start();
    usleep(10000);
    $event
      ->ensureStopped();
    $total = $event
      ->getTotalTime();
    $this
      ->assertTrue($total >= 21 && $total <= 39, $total . ' should be 30 (between 21 and 39)');
  }
  public function testStartTime() {
    $event = new StopwatchEvent(microtime(true) * 1000);
    $this
      ->assertTrue($event
      ->getStartTime() < 0.5);
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    $event
      ->stop();
    $this
      ->assertTrue($event
      ->getStartTime() < 1);
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    usleep(10000);
    $event
      ->stop();
    $start = $event
      ->getStartTime();
    $this
      ->assertTrue($start >= 0 && $start <= 20);
  }
  public function testEndTime() {
    $event = new StopwatchEvent(microtime(true) * 1000);
    $this
      ->assertEquals(0, $event
      ->getEndTime());
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    $this
      ->assertEquals(0, $event
      ->getEndTime());
    $event = new StopwatchEvent(microtime(true) * 1000);
    $event
      ->start();
    usleep(10000);
    $event
      ->stop();
    $event
      ->start();
    usleep(10000);
    $event
      ->stop();
    $end = $event
      ->getEndTime();
    $this
      ->assertTrue($end >= 11 && $end <= 29, $end . ' should be 20 (between 11 and 29)');
  }

  /**
   * @expectedException \InvalidArgumentException
   */
  public function testInvalidOriginThrowsAnException() {
    new StopwatchEvent("abc");
  }

}