css/css-contain/contain-size-025.html

<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Containment Test: 'contain: size' applies to inline-block</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="https://www.w3.org/TR/css-contain-1/#containment-size">
  <link rel="match" href="reference/contain-size-025-ref.html">

  <meta content="This test checks that when laying out an inline-block element with 'contain: size', the inline-block element must be treated as if it would have no contents. In this test, the inline-block element has 2 in-flow block descendants made of images." name="assert">

  <!--

  contain-size-021: inline-block with 1 image and no in-flow block descendant: width comparison

  contain-size-022: inline-block with 1 image and no in-flow block descendant: height comparison

  contain-size-023: inline-block with text and no in-flow block descendant: width comparison

  contain-size-024: inline-block with text and no in-flow block descendant: height comparison

  contain-size-025: inline-block and 2 in-flow block descendants made of images: width comparison

  contain-size-026: inline-block and 2 in-flow block descendants made of images: height comparison

  contain-size-027: inline-block and 2 in-flow block descendants made of text: width comparison

  contain-size-028: inline-block and 2 in-flow block descendants made of text: height comparison

  -->

  <style>
  div.inline-block
    {
      display: inline-block;
    }

  div#blue-test
    {
      background-color: blue;
      contain: size;
      padding: 50px;
    }

  span.block-descendant, img
    {
      display: block;
    }

  div#orange-reference
    {
      background-color: orange;
      height: 100px;
      width: 100px;
    }
  </style>

  <p>This test passes if the painted blue area is <strong>exactly as wide as</strong> the orange square.

  <div>
    <div id="blue-test" class="inline-block">
      <span class="block-descendant"><img src="support/blue50wBy25h.png" alt="Image download support must be enabled"></span>
      <span id="last-line-box" class="block-descendant"><img src="support/blue50wBy25h.png" alt="Image download support must be enabled"></span>
    </div>
  </div>

  <div id="orange-reference" class="inline-block"></div>