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<!doctype html>
<title>The hr element: setting 'overflow: visible'</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<style>
/* Use 0 margin for hr instead of default 0.5em to make things simpler */
hr {
margin-top: 0;
margin-bottom: 0;
}
.wrapper {
height: 150px;
position: relative;
}
#test-visible {
overflow: visible;
}
.float, hr::before {
content: "";
float: left;
width: 50px;
height: 50px;
background-color: orange;
}
.clear {
clear: left;
}
</style>
<div class=wrapper>
<div class=float></div>
<hr id=test-control>
<div class=float></div>
</div>
<div class=wrapper>
<div class=float></div>
<hr id=test-visible>
<div class=float></div>
</div>
<script>
test(() => {
const hr = document.getElementById('test-control');
assert_equals(hr.offsetLeft, 50, 'hr.offsetLeft');
assert_equals(hr.offsetTop, 0, 'hr.offsetTop');
assert_equals(hr.clientHeight, 50, 'hr.clientHeight');
const divAfter = hr.nextElementSibling;
assert_equals(divAfter.offsetLeft, 0, 'divAfter.offsetLeft');
assert_equals(divAfter.offsetTop, 50 + 1 + 1 /* hr border */, 'divAfter.offsetTop');
}, 'control');
test(() => {
const hr = document.getElementById('test-visible');
assert_equals(hr.offsetLeft, 0, 'hr.offsetLeft');
assert_equals(hr.offsetTop, 0, 'hr.offsetTop');
assert_equals(hr.clientHeight, 0, 'hr.clientHeight');
const divAfter = hr.nextElementSibling;
assert_equals(divAfter.offsetLeft, 50 + 50, 'divAfter.offsetLeft');
assert_equals(divAfter.offsetTop, 1 + 1 /* hr border */, 'divAfter.offsetTop');
}, 'overflow: visible');
</script>
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