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diff --git a/testing/web-platform/tests/html/canvas/element/fill-and-stroke-styles/2d.fillStyle.toStringFunctionCallback.html b/testing/web-platform/tests/html/canvas/element/fill-and-stroke-styles/2d.fillStyle.toStringFunctionCallback.html
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+++ b/testing/web-platform/tests/html/canvas/element/fill-and-stroke-styles/2d.fillStyle.toStringFunctionCallback.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.fillStyle.toStringFunctionCallback</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.fillStyle.toStringFunctionCallback</h1>
+<p class="desc">Passing a function in to ctx.fillStyle or ctx.strokeStyle with a toString callback works as specified</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Passing a function in to ctx.fillStyle or ctx.strokeStyle with a toString callback works as specified");
+_addTest(function(canvas, ctx) {
+
+  ctx.fillStyle = { toString: function() { return "#008000"; } };
+  _assertSame(ctx.fillStyle, "#008000", "ctx.fillStyle", "\"#008000\"");
+  ctx.fillStyle = {};
+  _assertSame(ctx.fillStyle, "#008000", "ctx.fillStyle", "\"#008000\"");
+  ctx.fillStyle = 800000;
+  _assertSame(ctx.fillStyle, "#008000", "ctx.fillStyle", "\"#008000\"");
+  assert_throws_js(TypeError, function() { ctx.fillStyle = { toString: function() { throw new TypeError; } }; });
+  ctx.strokeStyle = { toString: function() { return "#008000"; } };
+  _assertSame(ctx.strokeStyle, "#008000", "ctx.strokeStyle", "\"#008000\"");
+  ctx.strokeStyle = {};
+  _assertSame(ctx.strokeStyle, "#008000", "ctx.strokeStyle", "\"#008000\"");
+  ctx.strokeStyle = 800000;
+  _assertSame(ctx.strokeStyle, "#008000", "ctx.strokeStyle", "\"#008000\"");
+  assert_throws_js(TypeError, function() { ctx.strokeStyle = { toString: function() { throw new TypeError; } }; });
+
+});
+</script>
+