Blitz - WPT: font-variant-position-05.html

wpt / css / css-fonts / font-variant-position-05.html

/css/css-fonts/font-variant-position-05.html

<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8"/>
<title>CSS Test: font-variant-position must synthesize super/subscripts for unsupported characters</title>
<link rel="mismatch" href="font-variant-position-05-notref.html">
<meta name="assert" content="if a variant glyph is not available for all the characters in the run, simulated glyphs should be synthesized for all characters">
<link rel="help" href="https://drafts.csswg.org/css-fonts-4/#font-variant-position-prop">

<style>
    /* Lato has superscript Latin letters, but not subscript ones;
     * digits are available in both super- and subscript form.
     */
    @font-face {
        font-family: "lato";
        src: url(/fonts/Lato-Medium.ttf);
    }
    .test {
        font-family: "lato";
        font-size: 2em;
    }
    .super {
        font-variant-position: super;
    }
</style>

<section class="test">
    <p>Synthetic superscript characters <em>must</em> be used:</p>
    <!-- Note that Lato does not have a superscript alternate for the space or period!
         Therefore, the entire superscript run should be synthesized. -->
    <p>Text with <span class="super">superscript 3.14</span></p>
</section>

/css/css-fonts/font-variant-position-05-notref.html

<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8"/>
<title>CSS Reference (mismatch)</title>

<style>
    /* Lato has superscript Latin letters, but not subscript ones;
     * digits are available in both super- and subscript form.
     */
    @font-face {
        font-family: "lato";
        src: url(/fonts/Lato-Medium.ttf);
    }
    .test {
        font-family: "lato";
        font-size: 2em;
    }
    .super {
        font-variant-position: super;
    }
</style>

<section class="test">
    <p>Synthetic superscript characters <em>must</em> be used:</p>
    <!-- ZERO WIDTH SPACE between the spans separates the runs, so the first can use OpenType alternates
         but the second can't. -->
    <p>Text with <span class="super">superscript</span>&#x200b;<span class="super"> 3.14</span></p>
</section>