test_find_bug1601118.html

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<!doctype html>

<meta charset="utf-8">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div id="container">

  Fission <br/>

  Some text <br/>

  Some more text Fission or Fission or even <span>Fi</span>ssion<br/>

  Fission <br/>

  more text<br/>

  <div>

    in a nested block Fission stuff

  </div>

</div>

<script>

const kContainer = document.getElementById("container");

const kExpectedCount = 6;

// We expect surroundContents() to throw in the <span>Fi</span>ssion case.

const kExpectedThrewCount = 1;

// Keep a hang of the original DOM so as to test forwards and backwards navigation.

const kContainerClone = kContainer.cloneNode(true);

function advance(backwards) {

  if (!window.find("Fiss", /* caseSensitive = */ true, backwards))

    return { success: false };

  let threw = false;

  try {

    window.getSelection().getRangeAt(0).surroundContents(document.createElement("mark"));

  } catch (ex) {

    threw = true;

  // Sanity-check

  assert_equals(window.getSelection().toString(), "Fiss");

  return { success: true, threw };

function runTestForDirection(backwards) {

  let threwCount = 0;

  for (let i = 0; i < kExpectedCount; ++i) {

    let result = advance(backwards);

    assert_true(result.success, `Should've successfully advanced (${i} / ${kExpectedCount}, backwards: ${backwards})`);

    if (result.threw)

      threwCount++;

  assert_false(advance(backwards).success, `Should've had exactly ${kExpectedCount} matches`);

  assert_equals(threwCount, kExpectedThrewCount, "Should've thrown the expected number of times");

  assert_equals(kContainer.querySelectorAll("mark").length, kExpectedCount - threwCount, "Should've created the expected number of marks");

  assert_false(!!kContainer.querySelector("mark mark"), "Shouldn't have created nested marks");

test(function() {

  runTestForDirection(false);

  window.getSelection().removeAllRanges();

  kContainer.innerHTML = kContainerClone.innerHTML;

  runTestForDirection(true);

}, "window.find() while marking with surroundContents");

</script>