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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /layout/base/tests/test_bug1515822.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/base/tests/test_bug1515822.html')
| -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> |