1 files changed, 60 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.arcTo.shape.curve1.html b/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.arcTo.shape.curve1.html
new file mode 100644
index 0000000000..f7d10dd61a
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.arcTo.shape.curve1.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>OffscreenCanvas test: 2d.path.arcTo.shape.curve1</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.arcTo.shape.curve1</h1>
+<p class="desc">arcTo() curves in the right kind of shape</p>
+
+
+<script>
+var t = async_test("arcTo() curves in the right kind of shape");
+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 tol = 1.5; // tolerance to avoid antialiasing artifacts
+
+  ctx.fillStyle = '#0f0';
+  ctx.fillRect(0, 0, 100, 50);
+
+  ctx.strokeStyle = '#f00';
+  ctx.lineWidth = 10;
+  ctx.beginPath();
+  ctx.moveTo(10, 25);
+  ctx.arcTo(75, 25, 75, 60, 20);
+  ctx.stroke();
+
+  ctx.fillStyle = '#0f0';
+  ctx.beginPath();
+  ctx.rect(10, 20, 45, 10);
+  ctx.moveTo(80, 45);
+  ctx.arc(55, 45, 25+tol, 0, -Math.PI/2, true);
+  ctx.arc(55, 45, 15-tol, -Math.PI/2, 0, false);
+  ctx.fill();
+
+  _assertPixel(canvas, 50,25, 0,255,0,255);
+  _assertPixel(canvas, 55,19, 0,255,0,255);
+  _assertPixel(canvas, 55,20, 0,255,0,255);
+  _assertPixel(canvas, 55,21, 0,255,0,255);
+  _assertPixel(canvas, 64,22, 0,255,0,255);
+  _assertPixel(canvas, 65,21, 0,255,0,255);
+  _assertPixel(canvas, 72,28, 0,255,0,255);
+  _assertPixel(canvas, 73,27, 0,255,0,255);
+  _assertPixel(canvas, 78,36, 0,255,0,255);
+  _assertPixel(canvas, 79,35, 0,255,0,255);
+  _assertPixel(canvas, 80,44, 0,255,0,255);
+  _assertPixel(canvas, 80,45, 0,255,0,255);
+  _assertPixel(canvas, 80,46, 0,255,0,255);
+  _assertPixel(canvas, 65,45, 0,255,0,255);
+  t.done();
+
+});
+</script>