--TEST--
Test general border-width optimization
--CSS--
a {
    border-top-width: 1px;
    border-right-width: 2%;
    border-bottom-width: 0;
    border-left-width: 4px;
}
b {
    border-width: 1px 2% 0 4px;
}
--EXPECT--
array (
  'a' =>
  array (
    'border-width' => '1px 2% 0 4px',
  ),
  'b' =>
  array (
    'border-width' => '1px 2% 0 4px',
  ),
)
--SETTINGS--
optimise_shorthands=1