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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/base/tests/test_bug469170.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/base/tests/test_bug469170.html')
| -rw-r--r-- | layout/base/tests/test_bug469170.html | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/layout/base/tests/test_bug469170.html b/layout/base/tests/test_bug469170.html new file mode 100644 index 0000000000..42ab8a69f6 --- /dev/null +++ b/layout/base/tests/test_bug469170.html @@ -0,0 +1,48 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=469170 +--> +<head> + <title>Test for Bug 469170</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body onload="runTest();"> +<p><a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=469170">Mozilla Bug 469170</a></p> + +<iframe id="source" width="50" height="50" srcdoc="<html></html>"></iframe> + +<pre id="test"> +<script type="application/javascript"> + +/** Test for Bug 469170 **/ + +SimpleTest.waitForExplicitFinish(); + +function runTest() { + var source = document.getElementById('source').contentWindow; + rect = { left: 0, top: 0, + width: source.innerWidth, height: source.innerHeight }; + var canvas = SpecialPowers.snapshotRect(source, rect, "transparent"); + var context = canvas.getContext("2d"); + + var components = [ "red", "green", "blue", "alpha" ]; + + var data = context.getImageData(0, 0, canvas.width, canvas.height).data; + var failed = false; + for (var i = 0; i < data.length; i++) { + if (data[i] != 0) { + is(data[i], 0, "pixel " + Math.floor(i/4) + " " + components[i%4]); + failed = true; + } + } + if (!failed) { + ok(!failed, "all pixels fully transparent"); + } + SimpleTest.finish(); +} +</script> +</pre> +</body> +</html> |