1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.ellipse.basics.worker.js b/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.ellipse.basics.worker.js
new file mode 100644
index 0000000000..60f3e9a673
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.ellipse.basics.worker.js
@@ -0,0 +1,28 @@
+// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.path.ellipse.basics
+// Description:Verify canvas throws error when drawing ellipse with negative radii.
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/html/canvas/resources/canvas-tests.js");
+
+var t = async_test("Verify canvas throws error when drawing ellipse with negative radii.");
+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.ellipse(10, 10, 10, 5, 0, 0, 1, false);
+  ctx.ellipse(10, 10, 10, 0, 0, 0, 1, false);
+  ctx.ellipse(10, 10, -0, 5, 0, 0, 1, false);
+  assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.ellipse(10, 10, -2, 5, 0, 0, 1, false); });
+  assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.ellipse(10, 10, 0, -1.5, 0, 0, 1, false); });
+  assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.ellipse(10, 10, -2, -5, 0, 0, 1, false); });
+  ctx.ellipse(80, 0, 10, 4294967277, Math.PI / -84, -Math.PI / 2147483436, false);
+  t.done();
+});
+done();