1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.initial.reset.different.worker.js b/testing/web-platform/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.initial.reset.different.worker.js
new file mode 100644
index 0000000000..6074d4f2a2
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.initial.reset.different.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.canvas.host.initial.reset.different
+// Description:Changing size resets canvas to transparent black
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/html/canvas/resources/canvas-tests.js");
+
+var t = async_test("Changing size resets canvas to transparent black");
+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 = '#f00';
+  ctx.fillRect(0, 0, 50, 50);
+  _assertPixel(canvas, 20,20, 255,0,0,255);
+  canvas.width = 50;
+  _assertPixel(canvas, 20,20, 0,0,0,0);
+  t.done();
+});
+done();