1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.get.order.alpha.html b/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.get.order.alpha.html
new file mode 100644
index 0000000000..e5b57f650e
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.get.order.alpha.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: 2d.imageData.get.order.alpha</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>2d.imageData.get.order.alpha</h1>
+<p class="desc">getImageData() returns A in the fourth component</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("getImageData() returns A in the fourth component");
+_addTest(function(canvas, ctx) {
+
+  ctx.fillStyle = 'rgba(0, 0, 0, 0.5)';
+  ctx.fillRect(0, 0, 100, 50);
+  var imgdata = ctx.getImageData(0, 0, 10, 10);
+  _assert(imgdata.data[3] < 200, "imgdata.data[\""+(3)+"\"] < 200");
+  _assert(imgdata.data[3] > 100, "imgdata.data[\""+(3)+"\"] > 100");
+
+});
+</script>
+