| <!doctype html> |
| <html> |
| <head> |
| <title>Viewport: No Resize Event Fired on Overflow Recalc</title> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width, minimum-scale=1"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="viewport_support.js"></script> |
| <style> |
| html { |
| height: 100%; |
| } |
| body { |
| /* Ensure overflow to start */ |
| height: 200%; |
| } |
| </style> |
| </head> |
| <body> |
| <h1>No Resize Event Fired on Overflow Recalc</h1> |
| <h4> |
| Test Description: This test ensures we don't fire spurrious resize |
| events when overflow is recalculated. |
| </h4> |
| <script> |
| function runTest() { |
| var t = async_test( |
| "Resize event not fired at window.visualViewport when content is added"); |
| var viewResized = false; |
| window.visualViewport.addEventListener('resize', function() { |
| viewResized = true; |
| }); |
| |
| requestAnimationFrame(t.step_func_done(function() { |
| assert_equals(viewResized, false); |
| })); |
| |
| document.body.style.height = "400%"; |
| } |
| |
| // Run the test after load to make sure any resize from load doesn't |
| // interfere. |
| window.onload = requestAnimationFrame(runTest); |
| </script> |
| <div id="log"></div> |
| </body> |
| </html> |
| |
