1 files changed, 32 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/shadows/2d.shadow.blur.high-manual.html b/testing/web-platform/tests/html/canvas/offscreen/shadows/2d.shadow.blur.high-manual.html
new file mode 100644
index 0000000000..46c5032448
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/shadows/2d.shadow.blur.high-manual.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>OffscreenCanvas test: 2d.shadow.blur.high</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<h1>2d.shadow.blur.high</h1>
+<p class="desc">Shadows look correct for large blurs</p>
+
+
+<script>
+var t = async_test("Shadows look correct for large blurs");
+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 = '#ff0';
+  ctx.fillRect(0, 0, 100, 50);
+  ctx.shadowColor = '#00f';
+  ctx.shadowOffsetY = 0;
+  ctx.shadowBlur = 100;
+  ctx.fillRect(-200, -200, 200, 400);
+  t.done();
+
+});
+</script>