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<!doctype html>
<title>Test for bug 1531333</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<style>
symbol { display: block }
</style>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="10" height="10">
<symbol id="svg-sprite" viewBox="0 0 133 230866">
<title>svg-sprite</title>
<symbol id="svg-sprite" viewBox="0 0 133 230866">
<title>svg-sprite</title>
<use xlink:href="#svg-sprite" width="500" height="500" />
</symbol>
<use xlink:href="#svg-sprite" y="1601" width="133" height="228958" />
</symbol>
<use xlink:href="#svg-sprite" y="1601" width="133" height="230866" />
</svg>
<script>
function countUseElements(subtreeRoot) {
if (!subtreeRoot)
return 0;
let i = 0;
for (const use of subtreeRoot.querySelectorAll("use"))
i += 1 + countUseElements(SpecialPowers.wrap(use).openOrClosedShadowRoot);
return i;
}
SimpleTest.waitForExplicitFinish();
onload = function() {
document.body.offsetTop;
// The three in the document, plus the two created from the element that's
// not in the <symbol> subtree.
is(countUseElements(document), 5, "Shouldn't create more than 5 use elements");
SimpleTest.finish();
}
</script>
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