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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-15 03:34:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-15 03:34:50 +0000 |
commit | def92d1b8e9d373e2f6f27c366d578d97d8960c6 (patch) | |
tree | 2ef34b9ad8bb9a9220e05d60352558b15f513894 /testing/web-platform/tests/dom/nodes/insertion-removing-steps/Node-appendChild-script-and-default-style-meta-from-fragment.tentative.html | |
parent | Adding debian version 125.0.3-1. (diff) | |
download | firefox-def92d1b8e9d373e2f6f27c366d578d97d8960c6.tar.xz firefox-def92d1b8e9d373e2f6f27c366d578d97d8960c6.zip |
Merging upstream version 126.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/dom/nodes/insertion-removing-steps/Node-appendChild-script-and-default-style-meta-from-fragment.tentative.html')
-rw-r--r-- | testing/web-platform/tests/dom/nodes/insertion-removing-steps/Node-appendChild-script-and-default-style-meta-from-fragment.tentative.html | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/testing/web-platform/tests/dom/nodes/insertion-removing-steps/Node-appendChild-script-and-default-style-meta-from-fragment.tentative.html b/testing/web-platform/tests/dom/nodes/insertion-removing-steps/Node-appendChild-script-and-default-style-meta-from-fragment.tentative.html index a9b7ba633e..fa4a987751 100644 --- a/testing/web-platform/tests/dom/nodes/insertion-removing-steps/Node-appendChild-script-and-default-style-meta-from-fragment.tentative.html +++ b/testing/web-platform/tests/dom/nodes/insertion-removing-steps/Node-appendChild-script-and-default-style-meta-from-fragment.tentative.html @@ -7,29 +7,53 @@ <div id="div">hello</div> <script> let scriptRan = false; -let computedStyleDuringInsertion = null; +let computedStyleInPreScript = null; +let computedStyleInPostScript = null; test(() => { const div = document.getElementById("div"); + + // 1. Gets inserted *before* the `<meta>` tag. Cannot observe the meta tag's + // effect, because this script runs before the meta tag's post-insertion steps + // run, and the meta tag's post-insertion steps is where the default style + // sheet actually changes. + const preScript = document.createElement("script"); + preScript.textContent = ` + computedStyleInPreScript = getComputedStyle(div).display; + scriptRan = true; + `; + + // 2. The `<meta>` tag itself. const meta = document.createElement("meta"); meta.httpEquiv = "default-style"; meta.content = "alternative"; - const script = document.createElement("script"); - script.textContent = ` - computedStyleDuringInsertion = getComputedStyle(div).display; + + // 3. Gets inserted *after* the `<meta>` tag. Observes the meta tag's effect, + // because this script runs after the meta tag's post-insertion steps, which + // has the script-observable change to the default style sheet. + const postScript = document.createElement("script"); + postScript.textContent = ` + computedStyleInPostScript = getComputedStyle(div).display; scriptRan = true; `; + const df = document.createDocumentFragment(); - df.appendChild(script); - df.appendChild(meta); - assert_equals(getComputedStyle(div).display, "block", "div has block display"); + df.append(preScript, meta, postScript); + + assert_equals(getComputedStyle(div).display, "block", + "div still has block display before meta insertion"); assert_false(scriptRan, "script has not run before insertion"); + document.head.appendChild(df); assert_true(scriptRan, "script has run after insertion"); - assert_equals(computedStyleDuringInsertion, "none", - "display: none; style was applied during DOM insertion, before " + - "later-inserted script runs"); + assert_equals(computedStyleInPreScript, "block", + "display: none; style was NOT applied during DOM insertion steps, " + + "before earlier-inserted script post-insertion steps run"); + assert_equals(computedStyleInPostScript, "none", + "display: none; style WAS applied during DOM post-insertion steps, " + + "before later-inserted script runs"); assert_equals(getComputedStyle(div).display, "none", "style remains display: none; after insertion"); + }, "Inserting <meta> that uses alternate stylesheets, applies the style " + - "during DOM insertion, and before script runs as a result of any atomic insertions"); + "during DOM post-insertion steps"); </script> |