chromium/third_party/blink/web_tests/fast/css-grid-layout/percent-padding-margin-resolution-grid-item.html

<!DOCTYPE html>
<html>
<link href="resources/grid.css" rel="stylesheet">
<style>
.grid {
    grid-template-columns: 100px 300px;
    grid-template-rows: 50px 150px;
    height: 200px;
    width: 400px;
}

.percentPadding {
    width: 0px;
    height: 0px;
    padding: 50%;
}

.percentMargin {
    width: 0px;
    height: 0px;
    margin: 50%;
}

.percentPaddingAndMargin {
    width: 0px;
    height: 0px;
    padding: 10%;
    margin: 20%;
}
</style>
<script src="../../resources/check-layout.js"></script>
<body onload="checkLayout('.grid')">

<p>Test that resolving percentage padding and margin on grid items works properly on a fixed grid with different writing modes.</p>

<div class="grid">
    <div class="firstRowFirstColumn percentPadding" data-expected-padding-top="50" data-expected-padding-right="50" data-expected-padding-bottom="50" data-expected-padding-left="50"></div>
    <div class="firstRowSecondColumn percentMargin" data-expected-margin-top="150" data-expected-margin-right="150" data-expected-margin-bottom="150" data-expected-margin-left="150"></div>
    <div class="secondRowFirstColumn percentPaddingAndMargin" data-expected-padding-top="10" data-expected-padding-right="10" data-expected-padding-bottom="10" data-expected-padding-left="10" data-expected-margin-top="20" data-expected-margin-right="20" data-expected-margin-bottom="20" data-expected-margin-left="20"></div>
    <div class="secondRowSecondColumn percentPaddingAndMargin" data-expected-padding-top="30" data-expected-padding-right="30" data-expected-padding-bottom="30" data-expected-padding-left="30" data-expected-margin-top="60" data-expected-margin-right="60" data-expected-margin-bottom="60" data-expected-margin-left="60"></div>
</div>

<div class="grid verticalRL">
    <div class="firstRowFirstColumn percentPadding" data-expected-padding-top="50" data-expected-padding-right="50" data-expected-padding-bottom="50" data-expected-padding-left="50"></div>
    <div class="firstRowSecondColumn percentMargin" data-expected-margin-top="150" data-expected-margin-right="150" data-expected-margin-bottom="150" data-expected-margin-left="150"></div>
    <div class="secondRowFirstColumn percentPaddingAndMargin" data-expected-padding-top="10" data-expected-padding-right="10" data-expected-padding-bottom="10" data-expected-padding-left="10" data-expected-margin-top="20" data-expected-margin-right="20" data-expected-margin-bottom="20" data-expected-margin-left="20"></div>
    <div class="secondRowSecondColumn percentPaddingAndMargin" data-expected-padding-top="30" data-expected-padding-right="30" data-expected-padding-bottom="30" data-expected-padding-left="30" data-expected-margin-top="60" data-expected-margin-right="60" data-expected-margin-bottom="60" data-expected-margin-left="60"></div>
</div>

<div class="grid">
    <div class="firstRowFirstColumn percentPadding verticalRL" data-expected-padding-top="50" data-expected-padding-right="50" data-expected-padding-bottom="50" data-expected-padding-left="50"></div>
    <div class="firstRowSecondColumn percentMargin verticalRL" data-expected-margin-top="150" data-expected-margin-right="150" data-expected-margin-bottom="150" data-expected-margin-left="150"></div>
    <div class="secondRowFirstColumn percentPaddingAndMargin verticalRL" data-expected-padding-top="10" data-expected-padding-right="10" data-expected-padding-bottom="10" data-expected-padding-left="10" data-expected-margin-top="20" data-expected-margin-right="20" data-expected-margin-bottom="20" data-expected-margin-left="20"></div>
    <div class="secondRowSecondColumn percentPaddingAndMargin verticalRL" data-expected-padding-top="30" data-expected-padding-right="30" data-expected-padding-bottom="30" data-expected-padding-left="30" data-expected-margin-top="60" data-expected-margin-right="60" data-expected-margin-bottom="60" data-expected-margin-left="60"></div>
</div>

<div class="grid">
    <div class="firstRowFirstColumn percentPadding verticalRL" data-expected-padding-top="50" data-expected-padding-right="50" data-expected-padding-bottom="50" data-expected-padding-left="50"></div>
    <div class="firstRowSecondColumn percentMargin" data-expected-margin-top="150" data-expected-margin-right="150" data-expected-margin-bottom="150" data-expected-margin-left="150"></div>
    <div class="secondRowFirstColumn percentPaddingAndMargin verticalRL" data-expected-padding-top="10" data-expected-padding-right="10" data-expected-padding-bottom="10" data-expected-padding-left="10" data-expected-margin-top="20" data-expected-margin-right="20" data-expected-margin-bottom="20" data-expected-margin-left="20"></div>
    <div class="secondRowSecondColumn percentPaddingAndMargin" data-expected-padding-top="30" data-expected-padding-right="30" data-expected-padding-bottom="30" data-expected-padding-left="30" data-expected-margin-top="60" data-expected-margin-right="60" data-expected-margin-bottom="60" data-expected-margin-left="60"></div>
</div>

</body>
</html>