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diff --git a/testing/web-platform/tests/html/canvas/element/fill-and-stroke-styles/2d.strokeStyle.colorObject.transparency.html b/testing/web-platform/tests/html/canvas/element/fill-and-stroke-styles/2d.strokeStyle.colorObject.transparency.html
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+++ b/testing/web-platform/tests/html/canvas/element/fill-and-stroke-styles/2d.strokeStyle.colorObject.transparency.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.strokeStyle.colorObject.transparency</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.strokeStyle.colorObject.transparency</h1>
+<p class="desc">ctx.strokeStyle with color objects has transparency</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("ctx.strokeStyle with color objects has transparency");
+_addTest(function(canvas, ctx) {
+
+  ctx.lineWidth = 50;
+  ctx.strokeStyle = {r: 0, g: 1, b: 0, a: 0};
+  ctx.strokeRect(25, 24, 50, 2);
+  _assertPixel(canvas, 50,25, 0,0,0,0);
+  ctx.strokeStyle = {r: 0, g: 1, b: 0, a: -1};
+  ctx.strokeRect(25, 24, 50, 2);
+  _assertPixel(canvas, 50,25, 0,0,0,0);
+  ctx.clearRect(0, 0, 100, 50);
+  ctx.strokeStyle = {r: 0, g: 1, b: 0, a: 0.5};
+  ctx.strokeRect(25, 24, 50, 2);
+  _assertPixel(canvas, 50,25, 0,255,0,128);
+  ctx.clearRect(0, 0, 100, 50);
+  ctx.strokeStyle = {r: 0, g: 1, b: 0, a: 1};
+  ctx.strokeRect(25, 24, 50, 2);
+  _assertPixel(canvas, 50,25, 0,255,0,255);
+
+});
+</script>
+