grid-template-shorthand-areas-valid.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-grid/parsing/grid-template-shorthand-areas-valid.html - WPT Dashboard Interop Dashboard

<!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>