|  | <!DOCTYPE html> | 
|  | <html> | 
|  | <head> | 
|  | <meta charset="utf-8"> | 
|  | <title>CSS Backgrounds and Borders Module Level 3: parsing border-image-slice with invalid values</title> | 
|  | <link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org"> | 
|  | <link rel="help" href="https://drafts.csswg.org/css-backgrounds/#border-image-slice"> | 
|  | <meta name="assert" content="border-image-slice supports only the grammar '[<number> | <percentage>]{1,4} && fill?'."> | 
|  | <script src="/resources/testharness.js"></script> | 
|  | <script src="/resources/testharnessreport.js"></script> | 
|  | <script src="/css/support/parsing-testcommon.js"></script> | 
|  | </head> | 
|  | <body> | 
|  | <script> | 
|  | test_invalid_value("border-image-slice", "fill"); | 
|  |  | 
|  | test_invalid_value("border-image-slice", "1 -2% fill"); | 
|  | test_invalid_value("border-image-slice", "-1 2% fill"); | 
|  |  | 
|  | test_invalid_value("border-image-slice", "1 2 3 4 5"); | 
|  |  | 
|  | test_invalid_value("border-image-slice", "1% fill 2%"); | 
|  |  | 
|  | test_invalid_value("border-image-slice", "-10"); | 
|  | </script> | 
|  | </body> | 
|  | </html> |