Import wpt@3c8896ae408c8fd594979da7c99970029e7856a7

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/compositing/2d.composite.operation.get.worker.js

+// DO NOT EDIT! This test has been generated by tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.composite.operation.get
+// Description:
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/common/canvas-tests.js");
+
+var t = async_test("");
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+var modes = ['source-atop', 'source-in', 'source-out', 'source-over',
+    'destination-atop', 'destination-in', 'destination-out', 'destination-over',
+    'lighter', 'copy', 'xor'];
+for (var i = 0; i < modes.length; ++i)
+{
+    ctx.globalCompositeOperation = modes[i];
+    _assertSame(ctx.globalCompositeOperation, modes[i], "ctx.globalCompositeOperation", "modes[\""+(i)+"\"]");
+}
+
+t.done();
+
+});
+done();