src/third_party/web_platform_tests/innerText/setter.html

<!DOCTYPE html>
<title>innerText setter test</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="container"></div>
<script>
function setupTest(context, plain) {
  container.innerHTML = context;
  var e = container.firstChild;
  while (e && e.nodeType != Node.ELEMENT_NODE) {
    e = e.nextSibling;
  }
  e.innerText = plain;
  return e;
}
function testText(context, plain, expectedText, msg) {
  test(function(){
    var e = setupTest(context, plain);
    assert_not_equals(e.firstChild, null, "Should have a child");
    assert_equals(e.firstChild.nodeType, Node.TEXT_NODE, "Child should be a text node");
    assert_equals(e.firstChild.nextSibling, null, "Should have only one child");
    assert_equals(e.firstChild.data, expectedText);
  }, msg);
}
function testHTML(context, plain, expectedHTML, msg) {
  test(function(){
    var e = setupTest(context, plain);
    assert_equals(e.innerHTML, expectedHTML);
  }, msg);
}
</script>
<script src="setter-tests.js"></script>