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LibWeb: Propagate exceptions from setAttribute() in DOMStringMap setter

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We were incorrectly assuming that setAttribute() could never fail here,
even when passed an invalid name.

Found by Domato.
This commit is contained in:
Andreas Kling
2024-07-19 14:57:23 +02:00
committed by Andreas Kling
parent 1c00e5688d
commit 093f1dd805
Notes: github-actions[bot] 2024-07-20 07:32:01 +00:00 
Author: https://github.com/awesomekling
Commit: https://github.com/LadybirdBrowser/ladybird/commit/093f1dd805f
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/721
3 changed files with 14 additions and 1 deletions
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12
Tests/LibWeb/Text/input/DOM/DOMStringMap-setter-with-invalid-name.html Normal file
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@@ -0,0 +1,12 @@
<script src="../include.js"></script>
<script>
test(() => {
let threw = false;
try {
document.body.dataset["'\uDBF8"] = "foo";
} catch {
threw = true;
}
println("Setting DOMStringMap with an invalid name key throws? " + threw);
});
</script>