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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/generic/test/test_scroll_position_restore_after_stop.html | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/generic/test/test_scroll_position_restore_after_stop.html')
-rw-r--r-- | layout/generic/test/test_scroll_position_restore_after_stop.html | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/layout/generic/test/test_scroll_position_restore_after_stop.html b/layout/generic/test/test_scroll_position_restore_after_stop.html new file mode 100644 index 0000000000..50c3771bdc --- /dev/null +++ b/layout/generic/test/test_scroll_position_restore_after_stop.html @@ -0,0 +1,76 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=1312697 +--> +<head> + <meta charset="utf-8"> + <title>Test for Bug 1312697</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script src="/tests/SimpleTest/paint_listener.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1312697">Mozilla Bug 1312697</a> +<p id="display"></p> +<script> +SimpleTest.waitForExplicitFinish(); + +var loadCount = 0; +var childWin = window.open('file_SlowPage.sjs', '_blank'); +var targetPos = 0; + +// Called by the page in the child window when it's halfway loaded. +function partiallyLoaded() { + if (loadCount == 1) { + // Halfway through the first reload, stop loading. + childWin.stop(); + + // Force a reflow in the stopped state. This triggers the buggy behaviour. + var newNode = childWin.document.createElement('p'); + newNode.innerHTML = "Added text."; + childWin.document.body.insertBefore(newNode, childWin.document.body.childNodes[0]); + + childWin.waitForAllPaintsFlushed(function() { + // Since we're only partially loaded, we should not have been able to + // reach the target scroll position. + ok(childWin.scrollY < targetPos, "Expected page to not be fully loaded"); + + // Now re-load again. Continue reading in fullyLoaded(), the + // 'loadCount == 2' case. + loadCount++; + childWin.location.reload(); + }); + } +} + +// Called by the page in the child window when it's fully loaded. +function fullyLoaded() { + if (loadCount == 0) { + // Scroll to a target position near the end of the page (past the + // half-way point.) + targetPos = childWin.scrollMaxY - 100; + childWin.scrollTo(0, targetPos); + childWin.waitForAllPaintsFlushed(function() { + ok(childWin.scrollY == targetPos, "Expected page to have scrolled"); + + // Reload the page. + loadCount++; + childWin.location.reload(); + + // Next, we'll get into partiallyLoaded(). Read on there. + }); + } else if (loadCount == 2) { + // After the second reload is complete, check that the initial target + // position was remembered and scrolled to. + childWin.waitForAllPaintsFlushed(function() { + ok(childWin.scrollY == targetPos, "Expected page to have scrolled to target position"); + childWin.close(); + SimpleTest.finish(); + }); + } +} + +</script> +</body> +</html> |