Blitz - WPT: block-container-block-end-with-self-collapsing-children.html

wpt / css / css-box / margin-trim / computed-margin-values / block-container-block-end-with-self-collapsing-children.html

Data from commit:
708eb61 WPT runner: support mismatch reftests and multiple rel=match links (#665) (2026-08-09)

Subtest	Status	Message
item 1	PASS
item 2	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10
item 3	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10
item 4	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10
item 5	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10
item 6	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10
item 7	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10
item 8	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10
item 9	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10
item 10	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10
item 11	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10
item 12	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10
item 13	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10
item 14	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10
item 15	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10
item 16	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10 assert_equals: data-expected-margin-bottom expected 0 got 10
item 17	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10
item 18	FAIL	assert_equals: data-expected-margin-bottom expected 0 got 10

Enable JavaScript in test iframe

/css/css-box/margin-trim/computed-margin-values/block-container-block-end-with-self-collapsing-children.html

<!DOCTYPE html>
<html>
<head>
<link rel="author" href="mailto:sammy.gill@apple.com">
<link rel="help" href="https://drafts.csswg.org/css-box-4/#margin-trim-block">
<meta name="assert" content="Second item and all self-collapsing children at block-end should have margins trimmed">
<style>
container {
    display: block;
    inline-size: min-content;
    margin-trim: block-end;
}
item {
    display: block;
    background-color: green;
    inline-size: 50px;
    block-size: 50px;
    margin-block-end: 10px;
}
.collapsed {
    block-size: 0px;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
</head>
<body onload="checkLayout('item')">
    <div id="target">
        <container>
            <item data-expected-margin-bottom="10"></item>
            <item data-expected-margin-bottom="0"></item>
            <item class="collapsed" data-expected-margin-bottom="0">
                <div><item class="collapsed" data-expected-margin-bottom="0">
                    <div><item class="collapsed" data-expected-margin-bottom="0">
                        <div><item class="collapsed" data-expected-margin-bottom="0"></item></div>
                        <div><item class="collapsed" data-expected-margin-bottom="0"></item></div>
                    </item></div>
                </item></div>
                <div><item class="collapsed" data-expected-margin-bottom="0"></item></div>
            </item>
            <item class="collapsed" data-expected-margin-bottom="0">
                <div><item class="collapsed" data-expected-margin-bottom="0">
                    <div><item class="collapsed" data-expected-margin-bottom="0"></item></div>
                    <div><item class="collapsed" data-expected-margin-bottom="0">
                        <div><item class="collapsed" data-expected-margin-bottom="0"></item></div>
                    </item></div>
                    <div><item class="collapsed" data-expected-margin-bottom="0"></item></div>
                </item></div>
                <div><item class="collapsed" data-expected-margin-bottom="0">
                    <div><item class="collapsed" data-expected-margin-bottom="0">
                        <div><item class="collapsed" data-expected-margin-bottom="0"></item></div>
                    </item></div>
                </item></div>
            </item>
            <item class="collapsed" data-expected-margin-bottom="0"></item>
        </container>
    </div>
</body>
</html>