1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.order.alpha.worker.js b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.order.alpha.worker.js
new file mode 100644
index 0000000000..4338436a6d
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.order.alpha.worker.js
@@ -0,0 +1,26 @@
+// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.imageData.get.order.alpha
+// Description:getImageData() returns A in the fourth component
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/html/canvas/resources/canvas-tests.js");
+
+var t = async_test("getImageData() returns A in the fourth component");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+    throw reason;
+});
+t.step(function() {
+
+  var canvas = new OffscreenCanvas(100, 50);
+  var ctx = canvas.getContext('2d');
+
+  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");
+  t.done();
+});
+done();