css/cssom-view/getBoundingClientRect-shy.html

<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-getboundingclientrect">
<link rel="author" title="Koji Ishii" href="mailto:kojii@chromium.org">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#container {
  font-family: Ahem;
  font-size: 10px;
  line-height: 1;
  width: 10ch;
}
</style>
<body>
  <div id="container">
    <div id="test1">123456&shy;789012</div>
    <div id="test2">123456&shy;789012&shy;345678&shy;901234</div>
    <div id="test3">12&shy;456&shy;789012</div>
    <div>123<span id="test4">&shy;</span>456<span id="test5">&shy;</span>789012</div>
  </div>
<script>
function getBoundingClientRect(node, start, end) {
  const range = document.createRange();
  range.setStart(node, start);
  range.setEnd(node, end);
  const rect = range.getBoundingClientRect();
  return rect;
}

setup({ explicit_done: true });

document.fonts.ready.then(() => {
  test(() => {
    const rect = getBoundingClientRect(test1.firstChild, 0, 5);
    assert_equals(rect.width, 50);
  }, "Range 0-5 should not include the hyphen.");

  test(() => {
    const rect = getBoundingClientRect(test1.firstChild, 1, 5);
    assert_equals(rect.width, 40);
  }, "Range 1-5 should not include the hyphen.");

  test(() => {
    const rect = getBoundingClientRect(test1.firstChild, 0, 6);
    assert_equals(rect.width, 60);
  }, "Range 0-6 should not include the hyphen.");

  test(() => {
    const rect = getBoundingClientRect(test1.firstChild, 1, 6);
    assert_equals(rect.width, 50);
  }, "Range 1-6 should not include the hyphen.");

  test(() => {
    const rect = getBoundingClientRect(test1.firstChild, 0, 7);
    assert_equals(rect.width, 70);
  }, "Range 0-7 should include the hyphen.");

  test(() => {
    const rect = getBoundingClientRect(test1.firstChild, 1, 7);
    assert_equals(rect.width, 60);
  }, "Range 1-7 should include the hyphen.");

  test(() => {
    const rect = getBoundingClientRect(test1.firstChild, 0, 8);
    assert_equals(rect.width, 70);
    assert_equals(rect.height, 20);
  }, "Range 0-8 should include the hyphen.");

  test(() => {
    const rect = getBoundingClientRect(test2.firstChild, 0, 8);
    assert_equals(rect.width, 70);
    assert_equals(rect.height, 20);
  }, "Range 0-8 should include only the first hyphen.");

  test(() => {
    const rect = getBoundingClientRect(test3.firstChild, 2, 3);
    assert_equals(rect.width, 0);
  }, "Collapsed soft-hyphen should be 0 width.");

  test(() => {
    const rect = getBoundingClientRect(test3.firstChild, 6, 7);
    assert_equals(rect.width, 10);
  }, "Rendered soft-hyphen should have a width.");

  test(() => {
    const rect = getBoundingClientRect(test4.firstChild, 0, 1);
    assert_equals(rect.width, 0);
  }, "Collapsed soft-hyphen in a span should be 0 width.");

  test(() => {
    const rect = getBoundingClientRect(test5.firstChild, 0, 1);
    assert_equals(rect.width, 10);
  }, "Rendered soft-hyphen in a span should have a width.");

  done();
});
</script>
</body>