1 files changed, 32 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.roundrect.radius.negative.html b/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.roundrect.radius.negative.html
new file mode 100644
index 0000000000..60a7bebd24
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.roundrect.radius.negative.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.path.roundrect.radius.negative</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<h1>2d.path.roundrect.radius.negative</h1>
+<p class="desc">roundRect() with negative radius throws an exception</p>
+
+
+<script>
+var t = async_test("roundRect() with negative radius throws an exception");
+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');
+
+  assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [-1])});
+  assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [1, -1])});
+  assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [new DOMPoint(-1, 1), 1])});
+  assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [new DOMPoint(1, -1)])});
+  assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [{x: -1, y: 1}, 1])});
+  assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [{x: 1, y: -1}])});
+  t.done();
+
+});
+</script>