| <title>This tests that an element with visibility hidden does not show its backdrop filter.</title> |
| <style> |
| .container { |
| width: 200px; |
| height: 200px; |
| background: blue; |
| margin: 50px; |
| } |
| .top { |
| width: 400px; |
| height: 50px; |
| position: absolute; |
| left: 0; |
| top: 150px; |
| border: 1px solid red; |
| -webkit-backdrop-filter: blur(50px); |
| } |
| </style> |
| <script> |
| var dump1, dump2, dump3; |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function getLayerDump() { |
| if (window.internals) |
| return internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_CONTENT_LAYERS); |
| return ""; |
| } |
| |
| function step1() { |
| dump1 = getLayerDump(); |
| var topElement = document.querySelector(".top"); |
| topElement.style.visibility = "hidden"; |
| setTimeout(step2, 0); |
| } |
| |
| function step2() { |
| dump2 = getLayerDump(); |
| var topElement = document.querySelector(".top"); |
| topElement.style.visibility = "visible"; |
| setTimeout(step3, 0); |
| } |
| |
| function step3() { |
| dump3 = getLayerDump(); |
| document.getElementById("result1").innerText = "Dump when filter is visible:\n" + dump1; |
| document.getElementById("result2").innerText = "Dump when filter is hidden:\n" + dump2; |
| document.getElementById("result3").innerText = "Dump when filter is visible again:\n" + dump3; |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| |
| |
| window.addEventListener("load", step1, false); |
| </script> |
| </head> |
| <body> |
| <div class="container"><div class="top"></div></div> |
| <pre id="result1"></pre> |
| <pre id="result2"></pre> |
| <pre id="result3"></pre> |
