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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/html/semantics/document-metadata/the-style-element/mutations.window.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/html/semantics/document-metadata/the-style-element/mutations.window.js')
-rw-r--r-- | testing/web-platform/tests/html/semantics/document-metadata/the-style-element/mutations.window.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/document-metadata/the-style-element/mutations.window.js b/testing/web-platform/tests/html/semantics/document-metadata/the-style-element/mutations.window.js new file mode 100644 index 0000000000..1c93b40394 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/document-metadata/the-style-element/mutations.window.js @@ -0,0 +1,48 @@ +test(t => { + const style = document.body.appendChild(document.createElement("style")); + const sheet = style.sheet; + t.add_cleanup(() => style.remove()); + assert_not_equals(sheet, null); + style.appendChild(new Comment()); + assert_not_equals(sheet, style.sheet); +}, "Mutating the style element: inserting a Comment node"); + +test(t => { + const style = document.body.appendChild(document.createElement("style")); + t.add_cleanup(() => style.remove()); + const comment = style.appendChild(new Comment()); + const sheet = style.sheet; + comment.appendData("x"); + assert_not_equals(sheet, style.sheet); +}, "Mutating the style element: mutating a Comment node"); + +test(t => { + const style = document.body.appendChild(document.createElement("style")); + t.add_cleanup(() => style.remove()); + const text1 = style.appendChild(new Text("1")); + const text2 = style.appendChild(new Text("2")); + assert_equals(style.textContent, "12"); + assert_equals(style.childNodes.length, 2); + const sheet = style.sheet; + style.normalize(); + assert_equals(style.childNodes.length, 1); + assert_not_equals(sheet, style.sheet); +}, "Mutating the style element: using normalize()"); + +test(t => { + const style = document.body.appendChild(document.createElement("style")); + t.add_cleanup(() => style.remove()); + const comment = style.appendChild(new Comment()); + const sheet = style.sheet; + comment.remove(); + assert_not_equals(sheet, style.sheet); +}, "Mutating the style element: removing a Comment node"); + +test(t => { + const style = document.body.appendChild(document.createElement("style")); + const sheet = style.sheet; + t.add_cleanup(() => style.remove()); + assert_not_equals(sheet, null); + style.appendChild(new DocumentFragment()); + assert_equals(sheet, style.sheet); +}, "Mutating the style element: inserting an empty DocumentFragment node"); |