chromium/third_party/blink/web_tests/external/wpt/css/css-grid/parsing/grid-template-shorthand-areas-valid.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Grid Layout Test: grid-template and grid-template-areas</title>
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#propdef-grid-template">
<meta name=assert content="grid-template and grid-template-areas parsing is valid.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>

function testValidGridTemplate(valueGridTemplate, valueGridAreas, serializedGridTemplateValue) {
  if (arguments.length < 3)
    serializedGridTemplateValue = valueGridTemplate;

  test(()=>{
    const root = document.children[0];
    root.style.gridTemplate = "";
    root.style.gridTemplate = valueGridTemplate;
    root.style.gridTemplateAreas = "";
    root.style.gridTemplateAreas = valueGridAreas;
    assert_equals(root.style.gridTemplate, serializedGridTemplateValue);
    assert_equals(root.style.gridTemplateAreas, valueGridAreas);
  }, `grid-template: ${valueGridTemplate} and "grid-template-areas: ${valueGridAreas};" should be valid.`);
}

testValidGridTemplate("none / 1px",  "\"a\"", "");
testValidGridTemplate("none / none", "\"a\"", "");
testValidGridTemplate("auto / 1px", "\"a a a\"", "\"a a a\" / 1px");
testValidGridTemplate("auto / auto", "\"a a a\"", "\"a a a\" / auto");
testValidGridTemplate("10px 20px 30px / 40px 50px 60px 70px",
                      "\"a . b .\" \"c d . e\" \"f g h .\"",
                      "\"a . b .\" 10px \"c d . e\" 20px \"f g h .\" 30px / 40px 50px 60px 70px");
</script>
</body>
</html>