Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/rendering/widgets/button-layout/flex.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>button with flex/inline-flex</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<style>
#inline-flex { display: inline-flex }
#flex { display: flex }
#ref > div { display: flex }
#flexstart {
border: none;
padding: 0;
display: flex;
align-items: flex-start;
height: 3em;
}
#stretch {
border: none;
padding: 0;
display: flex;
align-items: stretch;
height: 3em;
}
#no-align-items {
border: none;
padding: 0;
display: flex;
height: 3em;
}
</style>
<button id=inline-flex><div>1</div><div>2</div><div>3</div><div>4</div></button>
<button id=flex><div>1</div><div>2</div><div>3</div><div>4</div></button>
<button id=ref><div><div>1</div><div>2</div><div>3</div><div>4</div></div></button>
<div><button id="flexstart"><span id="flexstart-item">abc</span></button></div>
<div><button id="stretch"><span id="stretch-item">abc</span></button></div>
<div><button id="no-align-items"><span id="no-align-items-item">abc</span></button></div>
<script>
const ref = document.getElementById('ref');
const expectedWidth = ref.clientWidth;
const expectedHeight = ref.clientHeight;
for (const elm of [document.getElementById('inline-flex'),
document.getElementById('flex')]) {
test(() => {
// check that flex is supported
const flexValue = elm.id;
assert_equals(getComputedStyle(elm).display, flexValue, `${flexValue} is not supported`);
const width = elm.clientWidth;
const height = elm.clientHeight;
assert_equals(width, expectedWidth, 'clientWidth');
assert_equals(height, expectedHeight, 'clientHeight');
}, elm.id);
}
// crbug.com/700029
test(() => {
assert_equals(document.getElementById('flexstart').offsetTop,
document.getElementById('flexstart-item').offsetTop);
}, 'align-items:flex-start should work');
// crbug.com/1004163
test(() => {
assert_equals(document.getElementById('stretch').offsetHeight,
document.getElementById('stretch-item').offsetHeight);
}, 'align-items:stretch should work');
// crbug.com/40681980
test(() => {
assert_equals(document.getElementById('no-align-items').offsetHeight,
document.getElementById('no-align-items-item').offsetHeight);
}, 'No align-items should work as stretch');
</script>