diff options
Diffstat (limited to 'testing/web-platform/tests/html/semantics/document-metadata/the-style-element/style_media_change.html')
-rw-r--r-- | testing/web-platform/tests/html/semantics/document-metadata/the-style-element/style_media_change.html | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/document-metadata/the-style-element/style_media_change.html b/testing/web-platform/tests/html/semantics/document-metadata/the-style-element/style_media_change.html new file mode 100644 index 0000000000..8b7e8440d5 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/document-metadata/the-style-element/style_media_change.html @@ -0,0 +1,43 @@ +<!DOCTYPE html> +<html> + <head> + <meta charset="utf-8"> + <title>Dynamically changing HTMLStyleElement.media 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> + span { + color: red; + } + </style> + <style id="text-style" media="none"> + span { + color: green; + } + </style> + <style id="body-style" media="aural"> + body { + color: green; + } + </style> + </head> + <body> + <span>text</span> + <script> + test(function() { + var element = document.querySelector("span"); + assert_equals(getComputedStyle(element).color, "rgb(255, 0, 0)"); + document.getElementById("text-style").media = 'all'; + assert_equals(getComputedStyle(element).color, "rgb(0, 128, 0)"); + }, "change media value dynamically"); + + test(function() { + var style = document.getElementById("body-style"); + assert_not_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)"); + style.removeAttribute("media"); + assert_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)"); + }, "removing media attribute"); + </script> + </body> +</html>
\ No newline at end of file |