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diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.html
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index 000000000..a896cbb5c
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+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.html
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+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
+<title>Canvas test: toDataURL.jpeg.primarycolours</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/canvas-tests.js"></script>
+<link rel="stylesheet" href="/common/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.jpeg.primarycolours</h1>
+<p class="desc">toDataURL with JPEG handles simple colours correctly</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="toDataURL.jpeg.primarycolours.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with JPEG handles simple colours correctly");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#ff0';
+ctx.fillRect(0, 0, 25, 40);
+ctx.fillStyle = '#0ff';
+ctx.fillRect(25, 0, 50, 40);
+ctx.fillStyle = '#00f';
+ctx.fillRect(75, 0, 25, 40);
+ctx.fillStyle = '#fff';
+ctx.fillRect(0, 40, 100, 10);
+var data = canvas.toDataURL('image/jpeg'); // it is okay if this returns a PNG instead
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 100, 50);
+var img = new Image();
+deferTest();
+img.onload = t.step_func_done(function ()
+{
+    ctx.drawImage(img, 0, 0);
+    _assertPixelApprox(canvas, 12,20, 255,255,0,255, "12,20", "255,255,0,255", 8);
+    _assertPixelApprox(canvas, 50,20, 0,255,255,255, "50,20", "0,255,255,255", 8);
+    _assertPixelApprox(canvas, 87,20, 0,0,255,255, "87,20", "0,0,255,255", 8);
+    _assertPixelApprox(canvas, 50,45, 255,255,255,255, "50,45", "255,255,255,255", 8);
+});
+img.src = data;
+
+
+});
+</script>
+