| <!doctype html> |
| <head> |
| <title>CSS Test (Conditional Rules): Validity of namespaces in @supports</title> |
| <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact"> |
| <link rel="help" href="https://www.w3.org/TR/css-conditional-3/#contents-of"> |
| <link rel="help" href="https://www.w3.org/TR/css-conditional-3/#use"> |
| <link rel="help" href="https://www.w3.org/TR/css-namespaces/"> |
| <link rel="help" href="https://www.w3.org/TR/CSS2/generate.html#content"> |
| <link rel="help" href="https://www.w3.org/TR/css-conditional-3/#at-supports"> |
| <link rel="match" href="at-supports-001-ref.html"> |
| <meta name="assert" |
| content="Test passes if namespaces used within @supports are valid only if declared in a valid @namespace rule."> |
| <style> |
| @namespace x "http://www.w3.org/1999/xlink"; |
| @supports (background: green) {} |
| @namespace y "http://www.w3.org/1999/xlink"; |
| |
| div { |
| height: 20px; |
| width: 100px; |
| } |
| |
| .test1 { background: red; } |
| @supports (content: attr(x|href)) { |
| .test1 { background: green; } |
| } |
| |
| .test2 { background: green; } |
| @supports (content: attr(y|href)) { |
| .test2 { background: red; } |
| } |
| |
| .test3 { background: red; } |
| @supports not (content: attr(y|href)) { |
| .test3 { background: green; } |
| } |
| |
| .test4 { background: red; } |
| .test5 { background: green; } |
| @supports (background: red) { |
| x|y, .test4 { background: green; } |
| y|x, .test5 { background: red; } |
| } |
| </style> |
| </head> |
| <body> |
| <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p> |
| <div class="test1"></div> |
| <div class="test2"></div> |
| <div class="test3"></div> |
| <div class="test4"></div> |
| <div class="test5"></div> |
| </body> |
| </html> |
