testing/web-platform/tests/css/css-text/white-space/trailing-space-and-text-alignment-rtl-002.html


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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text level 3 Test: preserved trailing RTL white space that hang in a textarea</title>
<link rel="author" title="Javier Fernandez" href="mailto:jfernandez@igalia.com" />
<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
<link rel="help" title="3. White Space and Wrapping: the white-space property" href="https://drafts.csswg.org/css-text-3/#white-space-property">
<link rel="help" title="4.1.2. Phase II: Trimming and Positioning" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
<link rel="help" title="6.1. Text Alignment: the text-align shorthand" href="https://drafts.csswg.org/css-text-3/#text-align-property">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-white-space-pre">
<link rel="match" href="reference/trailing-space-and-text-alignment-rtl-002-ref.html">
<meta name="assert" content="preserved trailing spaces under 'white-space: pre' shouldn't hang and may cause overflow and activate the scrollbars.">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
    textarea {
        /* Reset user-agent style */
        margin: initial;
        padding: initial;
        border: initial;
        outline: initial;
        resize: initial;
        overflow-wrap: initial;

        height: 100px;
        font: 40px/1 Ahem;
        border: 1px solid black;
        overflow-y: hidden;
        overflow-x: auto;

        /* testing */
        width: 3ch;
        white-space: pre;
        direction: rtl;
    }
.left { text-align: left; }
.center { text-align: center; }
.right { text-align: right; }
.start { text-align: start; }
.end { text-align: end; }
</style>
<textarea class="left">XXX &#10;X</textarea>
<textarea class="center">XXX &#10;X</textarea>
<textarea class="right">XXX &#10;X</textarea>
<textarea class="start">XXX &#10;X</textarea>
<textarea class="end">XXX &#10;X</textarea>