local-attachment-rtl-scroll.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-backgrounds/local-attachment-rtl-scroll.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html class="reftest-wait">

<title>CSS Backgrounds: local attachment with RTL scroll</title>

<link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#the-background-attachment">

<link rel="match" href="local-attachment-rtl-scroll-ref.html">

<script src="/common/reftest-wait.js"></script>

<script src="/common/rendering-utils.js"></script>

<style>

.container {

  width: 100px;

  height: 100px;

  display: flex;

  direction: rtl;

  overflow-x: auto;

  scrollbar-width: none;

  /* This is a multi-layered background for testing. */

  background:

    local linear-gradient(to right, yellow 50%, blue 50%) 0 0 / 100% 100% no-repeat,

    radial-gradient(farthest-side at 0 50%, rgba(0,0,0,0.2), transparent) 0 0 / 20px 100% no-repeat,

    radial-gradient(farthest-side at 100% 50%, rgba(0,0,0,0.2), transparent) 100% 0 / 20px 100% no-repeat;

.content {

  width: 100px;

  height: 20px;

  flex-shrink: 0;

</style>

<div id="init_scrolled" class="container">

  <div class="content"></div>

  <div class="content"></div>

</div>

<div id="mid_scrolled" class="container">

  <div class="content"></div>

  <div class="content"></div>

</div>

<div id="max_scrolled" class="container">

  <div class="content"></div>

  <div class="content"></div>

</div>

<script>

  // In RTL, scrolling moves scrollLeft towards negative values.

  mid_scrolled.scrollLeft = -50;

  max_scrolled.scrollLeft = -100;

  waitForAtLeastOneFrame().then(() => {

    takeScreenshot();

});

</script>

</html>