Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.get.nonpremul.worker.js

+// DO NOT EDIT! This test has been generated by tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.imageData.get.nonpremul
+// Description:getImageData() returns non-premultiplied colours
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/common/canvas-tests.js");
+
+var t = async_test("getImageData() returns non-premultiplied colours");
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+ctx.fillStyle = 'rgba(255, 255, 255, 0.5)';
+ctx.fillRect(0, 0, 100, 50);
+var imgdata = ctx.getImageData(10, 10, 10, 10);
+_assert(imgdata.data[0] > 200, "imgdata.data[\""+(0)+"\"] > 200");
+_assert(imgdata.data[1] > 200, "imgdata.data[\""+(1)+"\"] > 200");
+_assert(imgdata.data[2] > 200, "imgdata.data[\""+(2)+"\"] > 200");
+_assert(imgdata.data[3] > 100, "imgdata.data[\""+(3)+"\"] > 100");
+_assert(imgdata.data[3] < 200, "imgdata.data[\""+(3)+"\"] < 200");
+
+t.done();
+
+});
+done();