size-feature-evaluation.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-contain/container-queries/size-feature-evaluation.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Evaluation of size features</title>

<link rel="help" href="https://drafts.csswg.org/css-contain-3/#size-container">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="support/cq-testcommon.js"></script>

<div id=container>

  <div id=target>

    Test

  </div>

</div>

<script>

setup(() => assert_implements_container_queries());

function test_evaluation(container_class, query, expected) {

  test(function(t) {

    let style_node = document.createElement('style');

    t.add_cleanup(() => {

      container.classList.remove(container_class);

      style_node.remove();

});

    style_node.innerText = `@container ${query} { #target { --applied:true; } }`;

    assert_equals(getComputedStyle(target).getPropertyValue('--applied'), '');

    container.classList.add(container_class);

    document.head.append(style_node);

    assert_equals(getComputedStyle(target).getPropertyValue('--applied'), expected ? 'true' : '');

  }, `${query} (.${container_class})`);

</script>

<style>

  .horizontal {

    width: 100px;

    height: 200px;

    container-type: size;

  .vertical {

    width: 100px;

    height: 200px;

    container-type: size;

    writing-mode: vertical-rl;

</style>

<script>

  for (let cls of ['horizontal', 'vertical']) {

    let logical_width = (cls == 'horizontal') ? 'inline' : 'block';

    let logical_height = (cls == 'horizontal') ? 'block' : 'inline';

    test_evaluation(cls, '(width < 100px)', false);

    test_evaluation(cls, '(width >= 100px)', true);

    test_evaluation(cls, '(min-width: 100px)', true);

    test_evaluation(cls, '(min-width: 101px)', false);

    test_evaluation(cls, '(max-width: 100px)', true);

    test_evaluation(cls, '(max-width: 99px)', false);

    test_evaluation(cls, '(height < 200px)', false);

    test_evaluation(cls, '(height >= 200px)', true);

    test_evaluation(cls, '(min-height: 200px)', true);

    test_evaluation(cls, '(min-height: 201px)', false);

    test_evaluation(cls, '(max-height: 200px)', true);

    test_evaluation(cls, '(max-height: 199px)', false);

    test_evaluation(cls, `(${logical_width}-size < 100px)`, false);

    test_evaluation(cls, `(${logical_width}-size >= 100px)`, true);

    test_evaluation(cls, `(min-${logical_width}-size: 100px)`, true);

    test_evaluation(cls, `(min-${logical_width}-size: 101px)`, false);

    test_evaluation(cls, `(max-${logical_width}-size: 100px)`, true);

    test_evaluation(cls, `(max-${logical_width}-size: 99px)`, false);

    test_evaluation(cls, `(${logical_height}-size < 200px)`, false);

    test_evaluation(cls, `(${logical_height}-size >= 200px)`, true);

    test_evaluation(cls, `(min-${logical_height}-size: 200px)`, true);

    test_evaluation(cls, `(min-${logical_height}-size: 201px)`, false);

    test_evaluation(cls, `(max-${logical_height}-size: 200px)`, true);

    test_evaluation(cls, `(max-${logical_height}-size: 199px)`, false);

    test_evaluation(cls, '(orientation: landscape)', false);

    test_evaluation(cls, '(orientation: portrait)', true);

    test_evaluation(cls, '(aspect-ratio: 1/2)', true);

    test_evaluation(cls, '(aspect-ratio: 2/1)', false);

</script>