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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_bug518777.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/base/tests/test_bug518777.html')
| -rw-r--r-- | layout/base/tests/test_bug518777.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/layout/base/tests/test_bug518777.html b/layout/base/tests/test_bug518777.html new file mode 100644 index 0000000000..25a2e58e73 --- /dev/null +++ b/layout/base/tests/test_bug518777.html @@ -0,0 +1,44 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=518777 +--> +<head> + <title>Test for Bug 518777</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> + + <script> + SimpleTest.waitForExplicitFinish(); + + function dotest() { + var canvasWidth = 50; + var canvasHeight = 50; + var source = document.getElementById("source").contentWindow; + rect = { left: 25, top: 25, + width: canvasWidth, height: canvasHeight }; + var canvas = SpecialPowers.snapshotRect(source, rect, "transparent"); + var context = canvas.getContext("2d"); + + var data = context.getImageData(0, 0, canvasWidth, canvasHeight).data; + var i; + for (i = 0; i < data.length; i += 4) { + if (data[i] != 0 || data[i + 1] != 0 || data[i + 2] != 255 || data[i + 3] != 255) + break; + } + ok(i >= data.length, "all pixels blue"); + + SimpleTest.finish(); + } + </script> +</head> +<body> +<p><a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=518777">Mozilla Bug 518777</a></p> + +<iframe id="source" width="50" height="50" + srcdoc="<html><body onload='window.scrollTo(0,99999999); document.documentElement.offsetWidth; window.parent.dotest();' style='background: rgb(0,0,255); width: 100px; height: 50100px;'></body></html>"></iframe> + +<pre id="test"> +</pre> +</body> +</html> |