| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Dynamically changing HTMLStyleElement.type should change the rendering accordingly</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/#the-style-element"> |
| <style type="no/mime"> |
| body { color: green } |
| </style> |
| </head> |
| <body> |
| Text content. |
| <script> |
| var style = document.querySelector("style"); |
| test(function() { |
| assert_equals(document.styleSheets.length, 0); |
| }, "Check initial styleSheets length type"); |
| |
| test(function() { |
| assert_not_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)"); |
| assert_equals(document.styleSheets.length, 0); |
| style.type = "text/css"; |
| assert_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)"); |
| assert_equals(document.styleSheets.length, 1); |
| }, "Change type from invalid type to valid type"); |
| |
| test(function() { |
| assert_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)"); |
| assert_equals(document.styleSheets.length, 1); |
| style.type = "no/mime"; |
| assert_not_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)"); |
| assert_equals(document.styleSheets.length, 0); |
| }, "Change type from valid type to invalid type"); |
| |
| </script> |
| </body> |
| </html> |
