Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-offscreen-canvas/initial.colour.worker.js

+// DO NOT EDIT! This test has been generated by tools/gentest.py.
+// OffscreenCanvas test in a worker:initial.colour
+// Description:Initial state is transparent black
+// Note:<p class="notes">Output should be transparent black (not transparent anything-else), but manual
+verification can only confirm that it's transparent - it's not possible to make
+the actual blackness visible.
+
+
+importScripts("/resources/testharness.js");
+importScripts("/common/canvas-tests.js");
+
+var t = async_test("Initial state is transparent black");
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+_assertPixel(offscreenCanvas, 20,20, 0,0,0,0, "20,20", "0,0,0,0");
+
+t.done();
+
+});
+done();