size-feature-evaluation.html | Explore in Territory

<!doctype html>
<title>Evaluation of size features</title>
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#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>
chromium/third_party/blink/web_tests/external/wpt/css/css-conditional/container-queries/size-feature-evaluation.html
