| <!DOCTYPE html> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| |
| <style> |
| html { |
| height: 100%; |
| } |
| </style> |
| |
| <h4>This test checks that requesting the viewport size causes any pending layout to occur.</h4> |
| <script> |
| async_test(function(t) { |
| window.onload = t.step_func(function() { |
| assert_equals(visualViewport.width, document.documentElement.clientWidth, |
| "window.visualViewport.width should match the window width."); |
| assert_equals(visualViewport.height, document.documentElement.clientHeight, |
| "window.visualViewport.height should match the window height."); |
| |
| // Add overflow so scrollbars appear. |
| document.body.style.width = "2000px"; |
| document.body.style.height = "2000px"; |
| |
| var viewportWidth = window.visualViewport.width; |
| var viewportHeight = window.visualViewport.height; |
| |
| assert_equals(viewportWidth, document.documentElement.clientWidth, |
| "Reading viewport width should cause a layout and exclude the new scrollbar."); |
| assert_equals(viewportHeight, document.documentElement.clientHeight, |
| "Reading viewport height should cause a layout and exclude the new scrollbar."); |
| t.done(); |
| }); |
| }); |
| </script> |
