chromium/src/third_party/blink/web_tests/fast/spatial-navigation/snav-imagemap-simple.html

<map name="map" title="map" id="firstmap">
  <area shape="rect" coords="20,20,70,70" href="#" id="1">
  <area shape="rect" coords="130,20,180,70" href="#" id="2">
  <area shape="rect" coords="20,130,70,180" href="#" id="3">
  <area shape="rect" coords="130,130,180,180" href="#" id="4">
</map>

<a id="start" href="a"><img src="resources/green.png" width=50px height=50px></a>
<div>
  <img src="resources/green.png" width=200px height=200px usemap="#map"><a id="6" href="a"><img src="resources/green.png" width=50px height=50px></a>
</div>
<a id="5" href="a"><img src="resources/green.png" width=50px height=50px></a>

<p>This test tests that areas of an imagemap can be reached with spatial navigation.</p>

<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="resources/snav-testharness.js"></script>
<script>
  var resultMap = [
    ["Down", "1"],
    ["Down", "3"],
    ["Down", "5"],
    ["Up", "3"],
    ["Right", "4"],
    ["Right", "6"],
    ["Left", "4"],
    ["Up", "2"],
    ["Left", "1"],
    ["Up", "start"],
  ];

  // Start at a known place.
  document.getElementById("start").focus();
  snav.assertFocusMoves(resultMap);
</script>