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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/test_2d.clearRect.image.offscreen.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 'dom/canvas/test/test_2d.clearRect.image.offscreen.html')
-rw-r--r-- | dom/canvas/test/test_2d.clearRect.image.offscreen.html | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/dom/canvas/test/test_2d.clearRect.image.offscreen.html b/dom/canvas/test/test_2d.clearRect.image.offscreen.html new file mode 100644 index 0000000000..a80c8fbd5b --- /dev/null +++ b/dom/canvas/test/test_2d.clearRect.image.offscreen.html @@ -0,0 +1,42 @@ +<!DOCTYPE HTML> +<html> +<head> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body onload="doTest()"> +<p id="display"> + <canvas id="c" width="1" height="1"></canvas> + <img id="img" src="image_green-1x1.png"> +</p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script type="application/javascript"> + +var c = document.getElementById("c"); +var ctx = c.getContext("2d"); +var img = document.getElementById("img"); + +SimpleTest.waitForExplicitFinish(); + +function doTest() { + ctx.fillStyle = "red"; + ctx.fillRect(0, 0, 1, 1); + ctx.drawImage(img, -1, 0); + ctx.clearRect(0, 0, 1, 1); + + var data = ctx.getImageData(0, 0, 1, 1).data; + is(data[0], 0, "Red channel should be 0"); + is(data[1], 0, "Green channel should be 0"); + is(data[2], 0, "Blue channel should be 0") + is(data[3], 0, "Alpha channel should be 0"); + + SimpleTest.finish(); +} + +</script> +</pre> +</body> +</html> |