| <!DOCTYPE HTML> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <title>Check End Position of scrollIntoView when arg is not fully specified</title> |
| <div id="container" style="height: 2500px; width: 2500px;"> |
| <div id="content" style="height: 500px; width: 500px;margin-left: 1000px; margin-right: 1000px; margin-top: 1000px;margin-bottom: 1000px;background-color: red"> |
| </div> |
| </div> |
| <script> |
| add_completion_callback(() => document.getElementById("container").remove()); |
| var content_height = 500; |
| var content_width = 500; |
| var window_height = document.documentElement.clientHeight; |
| var window_width = document.documentElement.clientWidth; |
| var content = document.getElementById("content"); |
| |
| function instantScrollToTestArgs(arg, expected_x, expected_y) { |
| window.scrollTo(0, 0); |
| assert_not_equals(window.scrollX, expected_x); |
| assert_not_equals(window.scrollY, expected_y); |
| if (arg == "omitted") |
| content.scrollIntoView(); |
| else |
| content.scrollIntoView(arg); |
| assert_approx_equals(window.scrollX, expected_x, 1); |
| assert_approx_equals(window.scrollY, expected_y, 1); |
| } |
| |
| test(t => { |
| instantScrollToTestArgs("omitted", |
| content.offsetLeft + content_width - window_width, |
| content.offsetTop); |
| instantScrollToTestArgs(true, |
| content.offsetLeft + content_width - window_width, |
| content.offsetTop); |
| instantScrollToTestArgs(false, |
| content.offsetLeft + content_width - window_width, |
| content.offsetTop + content_height - window_height); |
| instantScrollToTestArgs({}, |
| content.offsetLeft + (content_width - window_width) / 2, |
| content.offsetTop + (content_height - window_height) / 2); |
| instantScrollToTestArgs(null, |
| content.offsetLeft + (content_width - window_width) / 2, |
| content.offsetTop + (content_height - window_height) / 2); |
| instantScrollToTestArgs(undefined, |
| content.offsetLeft + content_width - window_width, |
| content.offsetTop); |
| }, "scrollIntoView should behave correctly when the arg is not fully specified as ScrollIntoViewOptions"); |
| |
| </script> |
