<!doctype html>
<meta charset="utf-8">
<title>Tests that the 'contents' value for the 'display' property is correctly parsed</title>
<link rel="help" href="https://drafts.csswg.org/css-display/#box-generation">
<link rel="author" href="mailto:ecobos@igalia.com" title="Emilio Cobos Álvarez">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  .contents {
    display: contents;
  }

  .contents-then-block {
    display: contents;
    display: block;
  }

  .content {
    display: content;
  }
</style>
<div class="contents" id="contentsElement"></div>
<div class="content" id="bogusContentsElement"></div>
<div class="contents-then-block" id="contentsThenBlockElement"></div>
<script>
test(function() {
  var contentsElement = document.getElementById("contentsElement");
  var bogusContentsElement = document.getElementById("bogusContentsElement");
  var contentsThenBlockElement = document.getElementById("contentsThenBlockElement");

  assert_equals(getComputedStyle(contentsElement).getPropertyValue("display"), "contents");
  assert_equals(getComputedStyle(bogusContentsElement).getPropertyValue("display"), "block");
  assert_equals(getComputedStyle(contentsThenBlockElement).getPropertyValue("display"), "block");

  var element = document.createElement("div");
  document.body.appendChild(element);
  assert_equals(getComputedStyle(element).getPropertyValue("display"), "block");
  element.style.display = "contents";
  assert_equals(getComputedStyle(element).getPropertyValue("display"), "contents");
  element.style.display = "block";
  assert_equals(getComputedStyle(element).getPropertyValue("display"), "block");
});
</script>