Bug 1575353 [wpt PR 18570] - [css-layout-api] Re-add LayoutEdges., a=testonly

Automatic update from web-platform-tests
[css-layout-api] Re-add LayoutEdges.

This patch was created by reverting:
https://chromium-review.googlesource.com/c/chromium/src/+/1282724

And converting the tests to use promises, and switching the API to NG.

I run the patch against the mac-bots a few times to determine if I
could reproduced the flakiness which occurred initially to no avail.

Bug: 726125
Change-Id: I5f6197699977c03d3efbd4ca0926815faabee19d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1761372
Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Commit-Queue: Ian Kilpatrick <ikilpatrick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#689023}

--

wpt-commits: 443459a640bf144ec0ea6c7ab4b5e8bc6432f362
wpt-pr: 18570
This commit is contained in:
Ian Kilpatrick 2019-08-26 11:28:07 +00:00 коммит произвёл moz-wptsync-bot
Родитель 4c4a5491b5
Коммит e5301cef4b
17 изменённых файлов: 1194 добавлений и 0 удалений

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@ -0,0 +1,161 @@
<!DOCTYPE html>
<style>
td { text-align: center; }
.parent {
box-sizing: border-box;
width: 60px;
height: 60px;
border: solid;
border-width: 1px 2px 3px 4px;
padding: 0px 4px 8px 12px;
position: relative;
}
.child {
position: absolute;
width: 10px;
height: 10px;
background: green;
}
.top-left {
top: 0;
left: 12px;
}
.top-right {
top: 0;
right: 4px;
}
.bottom-left {
bottom: 8px;
left: 12px;
}
.bottom-right {
bottom: 8px;
right: 4px;
}
</style>
<table>
<tr>
<td></td>
<td colspan=2>LTR</td>
<td colspan=2>RTL</td>
</tr>
<tr>
<td></td>
<td>Y</td>
<td>X</td>
<td>Y</td>
<td>X</td>
</tr>
<tr>
<td>HTB</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: ltr; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: ltr; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: rtl; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: rtl; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
</tr>
<tr>
<td>VRL</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: ltr; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: ltr; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: rtl; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: rtl; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
</tr>
<tr>
<td>VLR</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: ltr; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: ltr; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: rtl; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: rtl; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
</tr>
</table>

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<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="all-ref.html">
<meta name="assert" content="This test checks that 'all' sizes are passed to the layout correctly." />
<style>
td { text-align: center; }
.parent {
box-sizing: border-box;
width: 60px;
height: 60px;
border: solid;
border-width: 1px 2px 3px 4px;
padding: 0px 4px 8px 12px;
position: relative;
background: red;
}
@supports (display: layout(test)) {
.parent {
display: layout(test);
background: initial;
}
}
.child {
width: 10px;
height: 10px;
background: green;
}
</style>
<!--
This test works by placing four children in each corner of the layout using the edges.
The reference to this test uses absolute positioning to achieve the same effect.
-->
<table>
<tr>
<td></td>
<td colspan=2>LTR</td>
<td colspan=2>RTL</td>
</tr>
<tr>
<td></td>
<td>Y</td>
<td>X</td>
<td>Y</td>
<td>X</td>
</tr>
<tr>
<td>HTB</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: ltr; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: ltr; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: rtl; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: rtl; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
</tr>
<tr>
<td>VRL</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: ltr; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: ltr; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: rtl; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: rtl; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
</tr>
<tr>
<td>VLR</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: ltr; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: ltr; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: rtl; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: rtl; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
</tr>
</table>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<script id="code" type="text/worklet">
registerLayout('test', class {
async intrinsicSizes() {}
async layout(children, edges, constraints) {
const topLeftFragment = await children[0].layoutNextFragment();
const topRightFragment = await children[1].layoutNextFragment();
const bottomLeftFragment = await children[2].layoutNextFragment();
const bottomRightFragment = await children[3].layoutNextFragment();
topLeftFragment.inlineOffset = edges.inlineStart;
topLeftFragment.blockOffset = edges.blockStart;
topRightFragment.inlineOffset =
constraints.fixedInlineSize - topRightFragment.inlineSize - edges.inlineEnd;
topRightFragment.blockOffset = edges.blockStart;
bottomLeftFragment.inlineOffset = edges.inlineStart;
bottomLeftFragment.blockOffset =
constraints.fixedBlockSize - bottomLeftFragment.blockSize - edges.blockEnd;
bottomRightFragment.inlineOffset =
constraints.fixedInlineSize - bottomRightFragment.inlineSize - edges.inlineEnd;
bottomRightFragment.blockOffset =
constraints.fixedBlockSize - bottomRightFragment.blockSize - edges.blockEnd;
return {childFragments: [
topLeftFragment,
topRightFragment,
bottomLeftFragment,
bottomRightFragment
]};
}
});
</script>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, document.getElementById('code').textContent);
</script>

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<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that border sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: horizontal-tb;
direction: rtl;
background: red;
box-sizing: border-box;
width: 100px;
--edges-inline-start-expected: 8;
--edges-inline-end-expected: 20;
--edges-block-start-expected: 10;
--edges-block-end-expected: 0;
font-size: 8px;
border-color: transparent;
border-style: solid;
border-width: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that border sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: horizontal-tb;
background: red;
box-sizing: border-box;
width: 100px;
--edges-inline-start-expected: 20;
--edges-inline-end-expected: 8;
--edges-block-start-expected: 10;
--edges-block-end-expected: 0;
font-size: 8px;
border-color: transparent;
border-style: solid;
border-width: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that border sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: vertical-lr;
direction: rtl;
background: red;
box-sizing: border-box;
height: 100px;
--edges-inline-start-expected: 0;
--edges-inline-end-expected: 10;
--edges-block-start-expected: 20;
--edges-block-end-expected: 8;
font-size: 8px;
border-color: transparent;
border-style: solid;
border-width: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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@ -0,0 +1,38 @@
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that border sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: vertical-lr;
background: red;
box-sizing: border-box;
height: 100px;
--edges-inline-start-expected: 10;
--edges-inline-end-expected: 0;
--edges-block-start-expected: 20;
--edges-block-end-expected: 8;
font-size: 8px;
border-color: transparent;
border-style: solid;
border-width: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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@ -0,0 +1,39 @@
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that border sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: vertical-rl;
direction: rtl;
background: red;
box-sizing: border-box;
height: 100px;
--edges-inline-start-expected: 0;
--edges-inline-end-expected: 10;
--edges-block-start-expected: 8;
--edges-block-end-expected: 20;
font-size: 8px;
border-color: transparent;
border-style: solid;
border-width: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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@ -0,0 +1,38 @@
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that border sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: vertical-rl;
background: red;
box-sizing: border-box;
height: 100px;
--edges-inline-start-expected: 10;
--edges-inline-end-expected: 0;
--edges-block-start-expected: 8;
--edges-block-end-expected: 20;
font-size: 8px;
border-color: transparent;
border-style: solid;
border-width: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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@ -0,0 +1,37 @@
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that padding sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: horizontal-tb;
direction: rtl;
background: red;
box-sizing: border-box;
width: 100px;
--edges-inline-start-expected: 8;
--edges-inline-end-expected: 20;
--edges-block-start-expected: 10;
--edges-block-end-expected: 0;
font-size: 8px;
padding: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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@ -0,0 +1,36 @@
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that padding sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: horizontal-tb;
background: red;
box-sizing: border-box;
width: 100px;
--edges-inline-start-expected: 20;
--edges-inline-end-expected: 8;
--edges-block-start-expected: 10;
--edges-block-end-expected: 0;
font-size: 8px;
padding: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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@ -0,0 +1,37 @@
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that padding sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: vertical-lr;
direction: rtl;
background: red;
box-sizing: border-box;
height: 100px;
--edges-inline-start-expected: 0;
--edges-inline-end-expected: 10;
--edges-block-start-expected: 20;
--edges-block-end-expected: 8;
font-size: 8px;
padding: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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@ -0,0 +1,36 @@
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that padding sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: vertical-lr;
background: red;
box-sizing: border-box;
height: 100px;
--edges-inline-start-expected: 10;
--edges-inline-end-expected: 0;
--edges-block-start-expected: 20;
--edges-block-end-expected: 8;
font-size: 8px;
padding: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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@ -0,0 +1,37 @@
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that padding sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: vertical-rl;
direction: rtl;
background: red;
box-sizing: border-box;
height: 100px;
--edges-inline-start-expected: 0;
--edges-inline-end-expected: 10;
--edges-block-start-expected: 8;
--edges-block-end-expected: 20;
font-size: 8px;
padding: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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@ -0,0 +1,36 @@
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that padding sizes are passed to the layout correctly." />
<style>
.test {
writing-mode: vertical-rl;
background: red;
box-sizing: border-box;
height: 100px;
--edges-inline-start-expected: 10;
--edges-inline-end-expected: 0;
--edges-block-start-expected: 8;
--edges-block-end-expected: 20;
font-size: 8px;
padding: 10px 1em 0 20px;
}
@supports (display: layout(test)) {
.test {
display: layout(test);
background: green;
}
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test"></div>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/edges.js'});
</script>

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<!DOCTYPE html>
<style>
td { text-align: center; }
.parent {
box-sizing: border-box;
width: 50px;
height: 50px;
border: solid;
position: relative;
}
.child {
position: absolute;
width: 10px;
height: 10px;
background: green;
}
.top-left {
top: 0;
left: 0;
}
.top-right {
top: 0;
right: 0;
}
.bottom-left {
bottom: 0;
left: 0;
}
.bottom-right {
bottom: 0;
right: 0;
}
</style>
<table>
<tr>
<td></td>
<td colspan=2>LTR</td>
<td colspan=2>RTL</td>
</tr>
<tr>
<td></td>
<td>Y</td>
<td>X</td>
<td>Y</td>
<td>X</td>
</tr>
<tr>
<td>HTB</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: ltr; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: ltr; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: rtl; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: rtl; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
</tr>
<tr>
<td>VRL</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: ltr; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: ltr; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: rtl; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: rtl; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
</tr>
<tr>
<td>VLR</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: ltr; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: ltr; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: rtl; overflow-y: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: rtl; overflow-x: scroll;">
<div class="child top-left"></div>
<div class="child top-right"></div>
<div class="child bottom-left"></div>
<div class="child bottom-right"></div>
</div>
</td>
</tr>
</table>

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<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutedges">
<link rel="match" href="scrollbar-ref.html">
<meta name="assert" content="This test checks that scrollbar sizes are passed to the layout correctly." />
<style>
td { text-align: center; }
.parent {
box-sizing: border-box;
width: 50px;
height: 50px;
border: solid;
position: relative;
background: red;
}
@supports (display: layout(test)) {
.parent {
display: layout(test);
background: initial;
}
}
.child {
width: 10px;
height: 10px;
background: green;
}
</style>
<!--
This test works by placing four children in each corner of the layout using the edges.
The reference to this test uses absolute positioning to achieve the same effect.
-->
<table>
<tr>
<td></td>
<td colspan=2>LTR</td>
<td colspan=2>RTL</td>
</tr>
<tr>
<td></td>
<td>Y</td>
<td>X</td>
<td>Y</td>
<td>X</td>
</tr>
<tr>
<td>HTB</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: ltr; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: ltr; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: rtl; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: horizontal-tb; direction: rtl; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
</tr>
<tr>
<td>VRL</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: ltr; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: ltr; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: rtl; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-rl; direction: rtl; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
</tr>
<tr>
<td>VLR</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: ltr; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: ltr; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: rtl; overflow-y: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
<td>
<div class="parent" style="writing-mode: vertical-lr; direction: rtl; overflow-x: scroll;">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
</td>
</tr>
</table>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<script id="code" type="text/worklet">
registerLayout('test', class {
async intrinsicSizes() {}
async layout(children, edges, constraints) {
const topLeftFragment = await children[0].layoutNextFragment();
const topRightFragment = await children[1].layoutNextFragment();
const bottomLeftFragment = await children[2].layoutNextFragment();
const bottomRightFragment = await children[3].layoutNextFragment();
topLeftFragment.inlineOffset = edges.inlineStart;
topLeftFragment.blockOffset = edges.blockStart;
topRightFragment.inlineOffset =
constraints.fixedInlineSize - topRightFragment.inlineSize - edges.inlineEnd;
topRightFragment.blockOffset = edges.blockStart;
bottomLeftFragment.inlineOffset = edges.inlineStart;
bottomLeftFragment.blockOffset =
constraints.fixedBlockSize - bottomLeftFragment.blockSize - edges.blockEnd;
bottomRightFragment.inlineOffset =
constraints.fixedInlineSize - bottomRightFragment.inlineSize - edges.inlineEnd;
bottomRightFragment.blockOffset =
constraints.fixedBlockSize - bottomRightFragment.blockSize - edges.blockEnd;
return {childFragments: [
topLeftFragment,
topRightFragment,
bottomLeftFragment,
bottomRightFragment
]};
}
});
</script>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, document.getElementById('code').textContent);
</script>

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import {areArraysEqual} from '/common/arrays.js';
function parseNumber(value) {
const num = parseInt(value.toString());
if (isNaN(num)) return 0;
return num;
}
registerLayout('test', class {
static get inputProperties() {
return [
'--edges-inline-start-expected',
'--edges-inline-end-expected',
'--edges-block-start-expected',
'--edges-block-end-expected',
];
}
async intrinsicSizes() {}
async layout(children, edges, constraints, styleMap) {
const actual = this.constructor.inputProperties.map(
prop => parseNumber(styleMap.get(prop))
);
const expected = [
edges.inlineStart,
edges.inlineEnd,
edges.blockStart,
edges.blockEnd,
];
if (!areArraysEqual(expected, actual)) {
return {autoBlockSize: 0, childFragments: []};
}
return {autoBlockSize: 100, childFragment: []};
}
});