<!DOCTYPE html>
<html lang="en" class="reftest-wait"><head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"><meta charset="utf-8">
<title>Clicking the canvas should turn it green (and shift it slighly)</title>

<style>

canvas {
  border: 10px solid black;
}

.opacity {
  opacity: 0.8;
}

</style>

</head><body><div style="transform: translateX(1px)"><!-- create reference frame -->
  <div class="wrapper"><!-- this starts out without a transform but later gets transformed -->
    <div class="opacity"><!-- this creates a ContainerLayer with an intermediate surface for group opacity -->
      <div class="border"><!-- this adds another visual element into the group opacity -->
        <canvas id="canvas" width="200" height="200"></canvas><!-- this causes all ancestor effects to become active ContainerLayers -->
      </div>
    </div>
  </div>
</div>

<script>

var canvas = document.getElementById('canvas');
var wrapper = document.querySelector('.wrapper');
canvas.width = 200;
canvas.height = 200;
var ctx = canvas.getContext('2d');
ctx.fillStyle = 'red';
ctx.fillRect(0, 0, 200, 200);

function doTest() {
  ctx.fillStyle = 'lime';
  ctx.fillRect(0, 0, 200, 200);
  wrapper.style.transform = 'translateX(1px)';
  document.documentElement.removeAttribute("class");
}
document.addEventListener("MozReftestInvalidate", doTest);

</script>
</body></html>