gecko/layout/reftests/image-element/canvas-outside-document-invalidate-02.html

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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/licenses/publicdomain/
Test that a complete redraw of the context invalidates the rendering observer, too.
(mozDrawText calls nsCanvasRenderingContext2D::Redraw() without a dirty rect to invalidate everything.)
-->
<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<body style="background: -moz-element(#e) white">
<script>
var canvas = document.createElement("canvas");
canvas.width = canvas.height = 1;
var ctx = canvas.getContext('2d');
ctx.fillStyle = "red";
ctx.fillRect(0, 0, 1, 1);
window.addEventListener("MozReftestInvalidate", function () {
ctx.strokeStyle = "white";
ctx.font = "50px bold Arial";
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ctx.translate(-8, 18);
ctx.lineWidth = 50;
ctx.strokeText("•", 0, 0);
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document.documentElement.className = "";
}, false);
document.mozSetImageElement("e", canvas);
</script>
</body>
</html>