<!doctype html>
<title>CSS Container Queries Test: applied containment for container-type</title>
<link rel="help" href="https://drafts.csswg.org/css-contain-3/#container-type">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/cq-testcommon.js"></script>
<script>
  setup(() => assert_implements_container_queries());
</script>

<style>
  /* Note: background colors have no impact on the test result. They are
           present to make it easier to visually verify that the test
           does the right thing. */
  .square {
    width: 50px;
    height: 50px;
    background: tomato;
  }
  .half {
    width: 25px;
    height: 50px;
    background: red;
  }
  div > div:nth-of-type(1) { background: skyblue; }
  div > div:nth-of-type(2) { background: hotpink; }
</style>

<div id=test1 class=square>
  <div id=float1 class=half style="float:left"></div>
  <div id=child1 class=half style="container-type:inline-size"></div>
</div>
<script>
  test(() => {
    assert_equals(child1.offsetLeft, test1.offsetLeft + float1.offsetWidth);
  }, 'container-type:inline-size turns on layout containment');
</script>

<hr>

<div id=test2 class=square>
  <div id=ref2 style="float:left">A</div>
  <div id=child2 style="float:left; container-type:inline-size">A</div>
</div>
<script>
  test(() => {
    assert_equals(child2.offsetWidth, 0);
    assert_equals(child2.offsetHeight, ref2.offsetHeight);
  }, 'container-type:inline-size turns on inline-size containment');
</script>

<hr>

<div id=test3 class=square>
  <div id=child3 style="float:left; container-type:size">A</div>
</div>
<script>
  test(() => {
    assert_equals(child3.offsetHeight, 0);
    assert_equals(child3.offsetWidth, 0);
  }, 'container-type:size turns on full size containment');
</script>

<hr>

<style>
  #ref4::before, #child4::before {
    content: counter(foo);
  }
</style>
<div id=test4 class=square style="counter-set: foo 5">
  <div id=ref4 style="float:left"></div>
  <section style="container-type:inline-size">
    <span style="counter-increment: foo 1000;"></span>
  </section>
  <section style="container-type:size">
    <span style="counter-increment: foo 1000;"></span>
  </section>
  <div id=child4 style="float:left"></div>
</div>
<script>
  test(() => {
    assert_equals(child4.offsetWidth, ref4.offsetWidth);
  }, 'container-type:inline/size turns on style containment');
</script>
