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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/canvas/test/test_2d.clearRect.image.offscreen.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
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 000000000..1024c1488 --- /dev/null +++ b/dom/canvas/test/test_2d.clearRect.image.offscreen.html @@ -0,0 +1,42 @@ +<!DOCTYPE HTML> +<html> +<head> + <script type="application/javascript" 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> |