| <!DOCTYPE html> | |
| <meta charset="UTF-8"> | |
| <title>CSS Background and Borders Test: invalid box-shadow declarations</title> | |
| <!-- | |
| Created: May 20th 2023 | |
| Last modified: May 20th 2023 | |
| --> | |
| <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> | |
| <link rel="help" href="https://www.w3.org/TR/css-backgrounds-3/#box-shadow"> | |
| <link rel="match" href="reference/ref-filled-green-100px-square.xht"> | |
| <meta content="This test checks that 'box-shadow' accepts either the 'none' value or (exclusive or) a comma-separated list of shadows but not both at the same time." name="assert"> | |
| <meta content="invalid" name="flags"> | |
| <!-- | |
| <shadow> = <color>? && [<length>{2} <length [0,∞]>? <length>?] && inset? | |
| The box-shadow property attaches one or more drop-shadows to | |
| the box. The property accepts either the none value, which | |
| indicates no shadows, or a comma-separated list of shadows, | |
| ordered front to back. | |
| --> | |
| <style> | |
| div | |
| { | |
| background-color: red; | |
| box-shadow: green 100px 100px inset; | |
| /* | |
| This inset 'box-shadow' declaration will paint and cover | |
| the inside of the red square. This way, we verify that | |
| the UA actually supports 'box-shadow'. | |
| */ | |
| box-shadow: none, red 0px -100px, red 100px 0px, red 0px 100px, red -100px 0px; /* invalid */ | |
| box-shadow: red 0px -100px, none, red 100px 0px, red 0px 100px, red -100px 0px; /* invalid */ | |
| box-shadow: red 0px -100px, red 100px 0px, none, red 0px 100px, red -100px 0px; /* invalid */ | |
| box-shadow: red 0px -100px, red 100px 0px, red 0px 100px, none, red -100px 0px; /* invalid */ | |
| box-shadow: red 0px -100px, red 100px 0px, red 0px 100px, red -100px 0px, none; /* invalid */ | |
| height: 100px; | |
| width: 100px; | |
| } | |
| </style> | |
| <p>Test passes if there is a filled green square and <strong>no red</strong>. | |
| <div></div> |