);
  assert_equals(sheet.cssRules[0].cssText, '@media (color) {\n}');
}, 'type - omission of all');

test(function(t) {
  var sheet = makeSheet(t);
  sheet.insertRule('@media not all and (color) {}');

  assert_equals(sheet.cssRules.length, 1);
  assert_equals(sheet.cssRules[0].cssText, '@media not all and (color) {\n}');
}, 'type - inclusion of negated all');

test(function(t) {
  var sheet = makeSheet(t);
  sheet.insertRule('@media screen and (Color) {}');
  sheet.insertRule('@media screen and (cOLor) {}'