<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.path.arcTo.ensuresubpath.2</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.ensuresubpath.2</h1>
<p class="desc">If there is no subpath, the first control point is added</p>


<script>
var t = async_test("If there is no subpath, the first control point is added");
var t_pass = t.done.bind(t);
var t_fail = t.step_func(function(reason) {
    throw reason;
});
t.step(function() {

var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');

ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.lineWidth = 50;
ctx.strokeStyle = '#0f0';
ctx.beginPath();
ctx.arcTo(0, 25, 50, 250, 0.1); // adds (x1,y1), draws nothing
ctx.lineTo(100, 25);
ctx.stroke();
_assertPixel(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255");
t.done();

});
</script>