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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/css/cssom/CSSStyleSheet-modify-after-removal.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/cssom/CSSStyleSheet-modify-after-removal.html')
| -rw-r--r-- | testing/web-platform/tests/css/cssom/CSSStyleSheet-modify-after-removal.html | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/cssom/CSSStyleSheet-modify-after-removal.html b/testing/web-platform/tests/css/cssom/CSSStyleSheet-modify-after-removal.html new file mode 100644 index 0000000000..010c0b9328 --- /dev/null +++ b/testing/web-platform/tests/css/cssom/CSSStyleSheet-modify-after-removal.html @@ -0,0 +1,29 @@ +<!doctype html> +<title>CSS Test: CSSStyleSheet modifications after removal</title> +<link rel="help" href="https://drafts.csswg.org/cssom/#the-cssstylesheet-interface"> +<link rel="help" href="https://drafts.csswg.org/cssom/#the-cssrule-interface"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<iframe id="frm"></iframe> +<iframe id="frm2"></iframe> +<script> + test(() => { + frm.contentDocument.body.innerHTML = "<style>div {color:red}</style>"; + let sheet = frm.contentDocument.querySelector("style").sheet; + assert_equals(sheet.cssRules.length, 1); + frm.remove(); + document.body.offsetTop; + sheet.insertRule("span {color: green}", 0); + assert_equals(sheet.cssRules.length, 2); + }, "Modify sheet from removed iframe"); + + test(() => { + frm2.contentWindow.eval("let sheet = new CSSStyleSheet(); document.adoptedStyleSheets = [ sheet ];"); + let sheet = frm2.contentDocument.adoptedStyleSheets[0]; + assert_equals(sheet.cssRules.length, 0); + frm2.remove(); + document.body.offsetTop; + sheet.insertRule("span {color: green}", 0); + assert_equals(sheet.cssRules.length, 1); + }, "Modify constructed sheet from removed iframe"); +</script> |