testing/web-platform/tests/css/css-text/white-space/full-width-leading-spaces-001.html


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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text level 3 Test: handling leading ideographic space sequence</title>
<link rel="author" title="Javier Fernandez Garcia-Boente" href="mailto:jfernandez@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
<link rel="match" href="reference/full-width-leading-spaces-001-ref.html">
<meta name="assert" content="An ideographic space (U+3000) sequence at the beginning of the line must not be collapsed.">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<style>
div { font: 20px/1 Ahem; }
.test {
    width: 5em;
    color: green;
    background: green;
}
.ref {
    position: absolute;
    z-index: -1;
    color: red;
}
</style>

<p>Test passes if the characters below are arranged in a green rectangle and if there is no red.
<div class="ref">XXXXX</div>
<div class="test">&#x3000;&#x3000;&#x3000;XX</div>