visibility-collapse-non-rowcol-001.html

<!doctype html>
<meta charset="utf-8">
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<link rel='stylesheet' href='support/base.css' />
<link rel="author" title="Joy Yu" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-tables-3/#computing-the-table-height">
<link rel="help" href="https://drafts.csswg.org/css-box-3/#visibility-prop">
<link rel="help" href="https://drafts.csswg.org/css-tables-3/#visibility-collapse-cell-rendering">
<style>
    x-table {
      border: 5px solid black;
    }
    x-table span {
        display: inline-block;
        vertical-align: top;
        background: lime;
        margin: 3px;
        height: 100px;
        width: 100px;
    }
</style>
<main>
    <h1>Visibility collapse</h1>
    <a href="https://drafts.csswg.org/css-tables-3/#computing-the-table-height">Spec</a>
    <p>
    When setting any element that is not a row, col, row group, or col group,
    visibility:collapse is equivalent to visibility:hidden.
    </p>
    <x-table id="one">
        <x-tr>
            <x-td id="visibleCell">
                <span>row 1</span>
            </x-td>
            <x-td>
                <span id="visibleSpan"></span>
            </x-td>
        </x-tr>
        <x-tr>
            <x-td>
                <span>row 2</span>
            </x-td>
            <x-td>
                <span></span>
            </x-td>
        </x-tr>
    </x-table>
    Bottom table is identical to top except top cells have been collapsed.
    <x-table id="two">
        <x-tr>
            <x-td id="hiddenCell" style="visibility:collapse">
                <span>row 1</span>
            </x-td>
            <x-td>
                <span id="hiddenSpan" style="visibility:collapse"></span>
            </x-td>
        </x-tr>
        <x-tr>
            <x-td>
                <span>row 2</span>
            </x-td>
            <x-td>
                <span></span>
            </x-td>
        </x-tr>
    </x-table>
</main>

<script>
    tests = [
    [
        document.getElementById('two').offsetWidth,
        document.getElementById('one').offsetWidth,
        "table width is unchanged"
    ],
    [
        document.getElementById('two').offsetHeight,
        document.getElementById('one').offsetHeight,
        "table height is unchanged"
    ],
    [
        document.getElementById('hiddenCell').offsetWidth,
        document.getElementById('visibleCell').offsetWidth,
        "td visibility:collapse has no effect on td width"
    ],
    [
        document.getElementById('hiddenCell').offsetHeight,
        document.getElementById('visibleCell').offsetHeight,
        "td visibility:collapse has no effect on td height"
    ],
    [
        document.getElementById('hiddenSpan').offsetWidth,
        document.getElementById('visibleSpan').offsetWidth,
        "span visibility:collapse has no effect on span width"
    ],
    [
        document.getElementById('hiddenSpan').offsetHeight,
        document.getElementById('visibleSpan').offsetHeight,
        "span visibility:collapse has no effect on span height"
    ]];

    for (i = 0; i< tests.length; i++) {
        test(function()
            {
                assert_equals.apply(this, tests[i]);
            },
            tests[i][2]);
    };
</script>
</html>
chromium/third_party/blink/web_tests/external/wpt/css/css-tables/visibility-collapse-non-rowcol-001.html
