def = new HTMLPurifier_AttrDef_CSS_FontFamily();
$this->assertDef('Gill, Helvetica, sans-serif');
$this->assertDef('\'Times New Roman\', serif');
$this->assertDef('"Times New Roman"', "'Times New Roman'");
$this->assertDef('01234');
$this->assertDef(',', false);
$this->assertDef('Times New Roman, serif', '\'Times New Roman\', serif');
$this->assertDef($d = "'John\\'s Font'");
$this->assertDef("John's Font", $d);
$this->assertDef($d = "'\xE5\xAE\x8B\xE4\xBD\x93'");
$this->assertDef("\xE5\xAE\x8B\xE4\xBD\x93", $d);
$this->assertDef("'\\','f'", "'\\\\', f");
}
}