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<!DOCTYPE html>
<title>fieldset and CSS Flexbox</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<style>
#test, #ref, #test-inline, #ref-inline {
display: flex;
justify-content: space-around;
margin: 0;
padding: 0;
border: none
}
#test-inline, #ref-inline { display: inline-flex }
legend {
float: left; /* Makes it not the "rendered legend" */
padding: 0;
}
</style>
<fieldset id=test>
<legend>1</legend>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
<div>9</div>
</fieldset>
<hr>
<div id=ref>
<legend>1</legend>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
<div>9</div>
</div>
<hr>
<fieldset id=test-inline>
<legend>1</legend>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
<div>9</div>
</fieldset>
<div id=ref-inline>
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
<div>9</div>
</div>
<script>
test(() => {
const testElm = document.getElementById('test');
const refElm = document.getElementById('ref');
assert_equals(getComputedStyle(testElm).height,
getComputedStyle(refElm).height, 'height');
assert_equals(testElm.querySelector('legend').offsetTop,
testElm.querySelector('div').offsetTop, 'offsetTop')
}, "Flex");
test(() => {
const testElm = document.getElementById('test-inline');
const refElm = document.getElementById('ref-inline');
assert_equals(getComputedStyle(testElm).height,
getComputedStyle(refElm).height, 'height');
assert_equals(testElm.querySelector('legend').offsetTop,
testElm.querySelector('div').offsetTop, 'offsetTop')
}, "Inline flex");
test(() => {
const testElm = document.getElementById('test');
testElm.style.flexDirection = 'row';
const item0 = testElm.querySelectorAll('div')[0];
const item1 = testElm.querySelectorAll('div')[1];
assert_equals(item0.offsetTop, item1.offsetTop);
testElm.style.flexDirection = 'column';
assert_true(item0.offsetTop < item1.offsetTop);
}, "Dynamic change of flex-direction");
</script>
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