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<!doctype html>
<title>fieldset content before legend</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<style>
fieldset {
/* Paddings might have fractional values by default, and they can cause
rounding differences between the test element and the reference element. */
padding: 0;
}
</style>
<fieldset id=test>
X
<legend>legend</legend>
Y
</fieldset>
<fieldset id=ref>
<legend>legend</legend>
X Y
</fieldset>
<fieldset id="test2">
P<span id="hidden" style="display:none;">AS</span><legend>legend</legend>S
</fieldset>
<script>
test(() => {
const testElm = document.getElementById('test');
const refElm = document.getElementById('ref');
assert_equals(testElm.clientHeight, refElm.clientHeight);
});
test(() => {
const testElm = document.getElementById('test2');
testElm.clientHeight;
const span = document.getElementById('hidden');
span.style.display = 'inline';
testElm.clientHeight;
}, 'Showing a node just before the rendered legend should not crash');
</script>
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