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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /layout/base/tests/test_bug1515822.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | layout/base/tests/test_bug1515822.html | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/layout/base/tests/test_bug1515822.html b/layout/base/tests/test_bug1515822.html new file mode 100644 index 0000000000..1a23a0dbab --- /dev/null +++ b/layout/base/tests/test_bug1515822.html @@ -0,0 +1,47 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test for Bug 1515822 - restore scroll position for display: contents children</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <style> + #shell { + display: contents; + } + #outer { + width: 200px; + height: 200px; + overflow: scroll; + } + #inner { + width: 400px; + height: 400px; + background: linear-gradient(to right bottom, white, black); + } + </style> +</head> +<body> +<div id="shell"> + <div id="outer"> + <div id="inner"> + </div> + </div> +</div> +<script> +const outer = document.querySelector('#outer'); + +outer.scrollTop = 100; +outer.scrollLeft = 100; +document.body.offsetTop; // flush layout +is(outer.scrollTop, 100, 'scroll position should be moved'); +is(outer.scrollLeft, 100, 'scroll position should be moved'); + +outer.parentElement.style.display = 'none'; +document.body.offsetTop; // flush layout +is(outer.scrollTop, 0, 'scroll position should be zero'); +is(outer.scrollLeft, 0, 'scroll position should be zero'); + +outer.parentElement.style.display = ""; +document.body.offsetTop; // flush layout +is(outer.scrollTop, 100, 'scroll position should be restored'); +is(outer.scrollLeft, 100, 'scroll position should be restored'); +</script> |