public function testHTML()
{
$this->assertFalse(Drawing::htmlToRGB('0'));
$this->assertFalse(Drawing::htmlToRGB('00'));
$this->assertFalse(Drawing::htmlToRGB('0000'));
$this->assertFalse(Drawing::htmlToRGB('00000'));
$this->assertInternalType('array', Drawing::htmlToRGB('ABCDEF'));
$this->assertCount(3, Drawing::htmlToRGB('ABCDEF'));
$this->assertEquals(array(0xab, 0xcd, 0xef), Drawing::htmlToRGB('ABCDEF'));
$this->assertEquals(array(0xab, 0xcd, 0xef), Drawing::htmlToRGB('#ABCDEF'));
$this->assertEquals(array(0xaa, 0xbb, 0xcc), Drawing::htmlToRGB('ABC'));
$this->assertEquals(array(0xaa, 0xbb, 0xcc), Drawing::htmlToRGB('#ABC'));
}