public function testSize()
{
$this->assertNull(HumanHelper::size(null));
$this->assertNull(HumanHelper::size('adasd'));
$this->assertNull(HumanHelper::size(-100));
$this->assertEquals('0 B', HumanHelper::size(0));
$this->assertEquals('100 B', HumanHelper::size(100));
$this->assertEquals('0 KB', HumanHelper::size(100, 'KB'));
$this->assertEquals('2 KB', HumanHelper::size(2050));
$this->assertEquals('0 MB', HumanHelper::size(2050, 'MB'));
$this->assertEquals('10 MB', HumanHelper::size('10685760'));
$this->assertEquals('0 GB', HumanHelper::size('10685760', 'GB'));
$this->assertEquals('10 GB', HumanHelper::size('10937418240'));
}
