public function testFromStringManualFormat()
{
$format = 'Y-m-d\\TH:i:sP';
$input = '2015-12-10T10:10:00Z';
$expected = '2015-12-10 10:10:00.000000 UTC';
$clock = new Clock();
$output = $clock->fromString($input, $format);
$this->assertInstanceOf(TimePoint::CLASS, $output);
$this->assertEquals($expected, $output->format('Y-m-d H:i:s.u e', 'UTC'));
}
