Tests rendering inline stylesheets with preprocessing on.
function testRenderInlinePreprocess() {
$css = 'body { padding: 0px; }';
$css_preprocessed = '<style media="all">' . "\n/* <![CDATA[ */\n" . drupal_load_stylesheet_content($css, TRUE) . "\n/* ]]> */\n" . '</style>';
drupal_add_css($css, array(
'type' => 'inline',
));
$styles = drupal_get_css();
$this
->assertEqual(trim($styles), $css_preprocessed, 'Rendering preprocessed inline CSS adds it to the page.');
}