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diff --git a/testing/web-platform/tests/html/canvas/element/path-objects/2d.path.arcTo.shape.curve2.html b/testing/web-platform/tests/html/canvas/element/path-objects/2d.path.arcTo.shape.curve2.html
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+++ b/testing/web-platform/tests/html/canvas/element/path-objects/2d.path.arcTo.shape.curve2.html
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+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: 2d.path.arcTo.shape.curve2</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>2d.path.arcTo.shape.curve2</h1>
+<p class="desc">arcTo() curves in the right kind of shape</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("arcTo() curves in the right kind of shape");
+_addTest(function(canvas, ctx) {
+
+ var tol = 1.5; // tolerance to avoid antialiasing artifacts
+
+ ctx.fillStyle = '#0f0';
+ ctx.fillRect(0, 0, 100, 50);
+
+ ctx.fillStyle = '#f00';
+ 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();
+
+ ctx.strokeStyle = '#0f0';
+ ctx.lineWidth = 10;
+ ctx.beginPath();
+ ctx.moveTo(10, 25);
+ ctx.arcTo(75, 25, 75, 60, 20);
+ ctx.stroke();
+
+ _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);
+
+});
+</script>
+