<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>

#container {

font-family: Ahem;

font-size: 10px;

line-height: 1;

width: 10ch;

<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>

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();