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LibWeb: Don't crash when resolving style of grid template properties

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Previously, attempting to get the computed value for a
grid-template-rows or grid-template-columns property would cause a crash
if the element had no associated paintable.
This commit is contained in:
Tim Ledbetter
2024-09-12 16:28:31 +01:00
committed by Tim Ledbetter
parent fa907029ee
commit 779de840af
3 changed files with 26 additions and 6 deletions
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1
Tests/LibWeb/Text/expected/css/getComputedStyle-no-paintable.txt Normal file
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@@ -0,0 +1 @@
PASS (didn't crash)

15
Tests/LibWeb/Text/input/css/getComputedStyle-no-paintable.html Normal file
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@@ -0,0 +1,15 @@
<!DOCTYPE html>
<script src="../include.js"></script>
<script>
test(() => {
const noPaintableElement = document.createElement("br");
document.body.appendChild(noPaintableElement);
const style = getComputedStyle(noPaintableElement);
let values = [];
for (const propertyName of style) {
values.push(style[propertyName]);
}
noPaintableElement.remove();
println("PASS (didn't crash)");
});
</script>