1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.readonly.worker.js b/testing/web-platform/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.readonly.worker.js
new file mode 100644
index 0000000000..bbe50dcf61
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.readonly.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.readonly
+// Description:canvas is readonly
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/html/canvas/resources/canvas-tests.js");
+
+var t = async_test("canvas is readonly");
+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');
+
+  var offscreenCanvas2 = new OffscreenCanvas(100, 50);
+  var d = ctx.canvas;
+  _assertDifferent(offscreenCanvas2, d, "offscreenCanvas2", "d");
+  ctx.canvas = offscreenCanvas2;
+  _assertSame(ctx.canvas, d, "ctx.canvas", "d");
+  t.done();
+});
+done();