<!doctype html>
<title>CSS Container Queries Test: Size queries match content-box</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>
<style>
  .container {
    container-type: size;
    border: 10px solid black;
    padding: 40px;
    margin: 20px;
  }

  #container1 {
    box-sizing: content-box;
    width: 100px;
    height: 100px;
  }

  #container2 {
    box-sizing: border-box;
    width: 200px;
    height: 200px;
  }

  #container3 {
    box-sizing: content-box;
    width: 100px;
    height: 100px;
    overflow: scroll;
  }

  #container4 {
    box-sizing: border-box;
    width: 200px;
    height: 200px;
    overflow: scroll;
  }

  @container ((width = 100px) and (height = 100px)) {
    .target {
      background-color: green;
      height: 100%;
    }
  }
</style>
<div id="container1" class="container">
  <div class="target"></div>
</div>
<div id="container2" class="container">
  <div class="target"></div>
</div>
<div id="container3" class="container">
  <div class="target"></div>
</div>
<div id="container4" class="container">
  <div class="target"></div>
</div>
<script>
  setup(() => assert_implements_container_queries());

  const green = "rgb(0, 128, 0)";

  test(() => {
    assert_equals(getComputedStyle(document.querySelector("#container1 > .target")).backgroundColor, green);
  }, "Size queries with content-box sizing");

  test(() => {
    assert_equals(getComputedStyle(document.querySelector("#container2 > .target")).backgroundColor, green);
  }, "Size queries with border-box sizing");

  test(() => {
    assert_equals(getComputedStyle(document.querySelector("#container3 > .target")).backgroundColor, green);
  }, "Size queries with content-box sizing and overflow:scroll");

  test(() => {
    assert_equals(getComputedStyle(document.querySelector("#container4 > .target")).backgroundColor, green);
  }, "Size queries with border-box sizing and overflow:scroll");
</script>
