| <!DOCTYPE HTML> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <title>Check End Position of scrollIntoView of shadow elements</title> |
| <div id="container"> |
| <div id="space1" style="height: 2000px; width: 2000px;background-color: yellow"> |
| </div> |
| <div id="shadow"></div> |
| <div id="space2" style="height: 2000px; width: 2000px;background-color: blue"> |
| </div> |
| </div> |
| <script> |
| add_completion_callback(() => document.getElementById("container").remove()); |
| |
| test(t => { |
| var shadow = document.getElementById("shadow"); |
| var shadowRoot = shadow.attachShadow({ mode: "open" }); |
| var shadowDiv = document.createElement("div"); |
| shadowDiv.style.height = "200px"; |
| shadowDiv.style.width = "200px"; |
| shadowDiv.style.backgroundColor = "green"; |
| shadowRoot.appendChild(shadowDiv); |
| |
| window.scrollTo(0, 0); |
| var expected_x = shadowDiv.offsetLeft; |
| var expected_y = shadowDiv.offsetTop; |
| assert_not_equals(window.scrollX, expected_x); |
| assert_not_equals(window.scrollY, expected_y); |
| shadowDiv.scrollIntoView({block: "start", inline: "start"}); |
| assert_approx_equals(window.scrollX, expected_x, 1); |
| assert_approx_equals(window.scrollY, expected_y, 1); |
| }, "scrollIntoView should behave correctly if applies to shadow dom elements"); |
| </script> |
