| <!doctype html> |
| <meta charset=utf-8> |
| <meta name="viewport" content="width=device-width minimum-scale=0.5"> |
| <link rel="help" href="https://drafts.csswg.org/css-device-adapt/"> |
| <style> |
| html { |
| overflow: hidden; |
| } |
| body { |
| margin: 0; |
| } |
| div { |
| height: 200%; |
| position: absolute; |
| } |
| </style> |
| <title></title> |
| <div style="width: 200%;"></div> |
| <div id="reference" style="width: 100%;"></div> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| 'use strict'; |
| test(() => { |
| assert_equals(document.documentElement.clientWidth, reference.clientWidth, |
| 'documentElement clientWidth should be 100%'); |
| }, 'documentElement clientWidth should be equal to device-width even if ' + |
| 'overflow:hidden region is visible'); |
| </script> |
