Blitz - WPT: content-visibility-vs-scrollIntoView-002.html

wpt / css / css-contain / content-visibility / content-visibility-vs-scrollIntoView-002.html

/css/css-contain/content-visibility/content-visibility-vs-scrollIntoView-002.html

<!doctype HTML>
<html class="reftest-wait">
<meta charset="utf8">
<title>CSS Content Visibility: auto + overflow clip + scrollIntoView</title>
<link rel="author" title="Cathie Chen" href="mailto:cathiechen@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">
<link rel="match" href="content-visibility-vs-scrollIntoView-002-ref.html">
<meta name="assert"
    content="content-visibility: auto element not relevent to user should be hidden even after calling scrollIntoView of its descendant">

<script src="/common/reftest-wait.js"></script>

<style>
    .auto {
        content-visibility: auto;
        contain-intrinsic-size: auto 1px auto 10000px;
    }

    .child {
        height: 40000px;
        position: relative;
    }

    #target {
        position: absolute;
        bottom: 0;
    }

    .before_target {
        height: 40000px;
    }

    #overflow_clip {
        overflow: clip;
        height: 20000px;
    }
</style>

<div id=e1 class="auto before_target"></div>
<div id=e2 class="auto before_target"></div>
<div id=e3 class="auto">
    <div id="overflow_clip">
        <div class=child>
            <div id=target>PASS</div>
        </div>
    </div>
</div>
<div id=e4 class=auto>
    <div class=child></div>
</div>

<script>
    function runTest() {
        target.scrollIntoView();
        requestAnimationFrame(() => requestAnimationFrame(() => {
            // Remove the fixed value of height, so that the computed height would be 40000px.
            // e3 should be hidden now, "PASS" should not show up.
            overflow_clip.style.height = "auto";
            requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
        }));
    }
    window.onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>

/css/css-contain/content-visibility/content-visibility-vs-scrollIntoView-002-ref.html

<!doctype HTML>
<html class="reftest-wait">
<meta charset="utf8">
<title>CSS Content Visibility: auto + overflow clip + scrollIntoView</title>
<link rel="author" title="Cathie Chen" href="mailto:cathiechen@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">
<meta name="assert"
    content="Test if target scrollIntoView is hidden when it is inside the overflow area of a content-visibility: auto which is not relevent content">

<script src="/common/reftest-wait.js"></script>

<style>
    .auto {
        content-visibility: auto;
        contain-intrinsic-size: auto 1px auto 10000px;
    }

    .child {
        height: 40000px;
        position: relative;
    }

    #target {
        position: absolute;
        bottom: 0;
    }

    .before_target {
        height: 40000px;
    }

    #overflow_clip {
        overflow: clip;
        height: 20000px;
    }
</style>

<div id=e1 class="auto before_target"></div>
<div id=e2 class="auto before_target"></div>
<div id=e3 class="auto">
    <div id="overflow_clip">
        <div class=child>
            <div id=target>PASS</div>
        </div>
    </div>
</div>
<div id=e4 class=auto>
    <div class=child></div>
</div>


<script>
    function runTest() {
        target.scrollIntoView();
        requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
    }

    window.onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>