chromium/third_party/blink/web_tests/external/wpt/css/css-text/letter-spacing/letter-spacing-203.html

<!DOCTYPE html>
<html  lang="en" >
<meta charset="utf-8">
<title>letter-spacing at element boundaries</title>
<link rel='author' title='Elika J. Etemad' href='http://fantasai.inkedblade.net/contact'>
<link rel='help' href='https://www.w3.org/TR/css-text-3/#letter-spacing'>
<link rel='match' href='reference/letter-spacing-203-ref.html'>
<meta name="assert" content="Letter spacing between two characters is given by their closest mutual ancestor.">
<style type='text/css'>
  @import "/fonts/ahem.css";
  .contain {
    font: 20px/1 Ahem;
    border: solid blue;
    margin: 1em;
    float: left; }
  .ls0 {
    letter-spacing: 0;
  }
  .ls1 {
    letter-spacing: 1em;
  }
  .ls3 {
    letter-spacing: 3em;
  }
  .control p {
    white-space: pre-wrap;
  }
  p {
    letter-spacing: 0;
    margin: 0;
    word-break: break-all;
  }
</style>

<div id='instructions'>Test passes if the pattern is identical in both blue boxes.</div>

<div class="contain">
  <!-- middle owned by containing block: simple -->
  <p class="ls1"><span class="ls0">AAA</span><span class="ls0">BBB</span></p>
  <p><span class="ls1">AAA</span><span class="ls1">BBB</span></p>
  <!-- middle owned by containing block: double nesting -->
  <p><span class="ls1"><span class="ls0">AAA</span></span><span class="ls1">BBB</span></p>
  <p><span class="ls0"><span class="ls1">AAA</span></span><span class="ls1">BBB</span></p>
  <!-- middle owned by inline: simple -->
  <p><span class="ls1"><span class="ls0">AAA</span><span class="ls0">BBB</span></span></p>
  <p><span><span class="ls1">AAA</span><span class="ls1">BBB</span></span></p>
  <!-- middle owned by inline: double nesting -->
  <p><span><span class="ls1"><span class="ls0">AAA</span></span><span class="ls1">BBB</span></span></p>
  <p><span class="ls3"><span class="ls0"><span class="ls1">AAA</span></span><span class="ls1">BBB</span></span></p>
  <!-- middle containing space -->
  <p class="ls1"><span class="ls0">AAA</span> <span class="ls0">BBB</span></p>
  <p><span class="ls3"><span class="ls1"><span class="ls0">AAA</span> </span><span class="ls1">BBB</span></span></p>
</div>

<div class="contain control">
  <!-- middle owned by containing block: simple -->
  <p>AAA BBB</p>
  <p>A A AB B B</p>
  <!-- middle owned by containing block: double nesting -->
  <p>AAAB B B</p>
  <p>A A AB B B</p>
  <!-- middle owned by inline: simple -->
  <p>AAA BBB</p>
  <p>A A AB B B</p>
  <!-- middle owned by inline: double nesting -->
  <p>AAAB B B</p>
  <p>A A A   B B B</p>
  <!-- middle containing space -->
  <p>AAA   BBB</p>
  <p>AAA     B B B</p>
</div>