<!DOCTYPE html>
<html  lang="en" >
<head>
<meta charset="utf-8">
<title>White space collapse</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='https://drafts.csswg.org/css-text-3/#line-break-transform'>
<meta name="assert" content="Every tab is converted to a space. Any space immediately following another collapsible space is collapsed to have zero advance width.">
<style type='text/css'>
.test span { font-size: 24px; font-family: sans-serif; background-color: #2AA5F7; color: white; }
.ref span { font-size: 24px; font-family: sans-serif; background-color: #270CEF; color: white; }
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id='log'></div>
<div id='test' class="test"><span>hello&#x20;&#x20;&#x20;&#x0009;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;there</span></div>
<div id="ref" class="ref"><span>hello&#x20;there</span></div>
<div id='testW' class="test"><span>缔造真正全球通行&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;&#x0009;&#x20;&#x20;&#x20;的万维网</span></div>
<div id="refW" class="ref"><span>缔造真正全球通行&#x20;的万维网</span></div>
<div id='testF' class="test"><span>ＦＵＬＬ&#x20;&#x20;&#x20;&#x0009;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;ＷＩＤＴＨ</span></div>
<div id="refF" class="ref"><span>ＦＵＬＬ&#x20;&#x20;ＷＩＤＴＨ</span></div>
<div id='testH' class="test"><span>ﾊﾝ&#x20;&#x20;&#x20;&#x0009;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;ｶｸ</span></div>
<div id="refH" class="ref"><span>ﾊﾝ&#x20;&#x20;&#x20;ｶｸ</span></div>
<script>
test(function() {
assert_equals(document.getElementById('test').firstChild.offsetWidth, document.getElementById('ref').firstChild.offsetWidth);
}, "spaces removed");
test(function() {
assert_equals(document.getElementById('testW').firstChild.offsetWidth, document.getElementById('refW').firstChild.offsetWidth);
}, "spaces removed between Wide characters");
test(function() {
assert_equals(document.getElementById('testF').firstChild.offsetWidth, document.getElementById('refF').firstChild.offsetWidth);
}, "spaces removed between Fullwidth characters");
test(function() {
assert_equals(document.getElementById('testH').firstChild.offsetWidth, document.getElementById('refH').firstChild.offsetWidth);
}, "spaces removed between Halfwidth characters");
</script>
<!-- Notes:
The assertion will fail if space is produced for any line in the test paragraph.
-->
</body>
</html>


