ow) blue");

    // <auto-repeat-line-color>   = repeat( auto , [ <color> ]+ )
    test_valid_value(property, "repeat(auto, red)");
    test_valid_value(property, "repeat(auto, red green blue)");

    // <auto-line-color-list>    = [ <line-color-or-repeat> ]*
    //                              <auto-repeat-line-color>
    //                              [ <line-color-or-repeat> ]*
    test_valid_value(property, "repeat(auto, red green) red");
    test_valid_value(property, "repeat(4, blue red green) repeat