content/canvas/test/test_mozDashOffset.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Test for mozDashOffset</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display">
<canvas id="c" width="100" height="100"><p class="fallback">FAIL (fallback content)</p></canvas>
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script>
try {
  var canvas = document.getElementById('c');
  var ctx = canvas.getContext('2d');

  ctx.mozDash = [1, 1];
  
  ctx.mozDashOffset = 1;
  ctx.mozDashOffset = Infinity;
  ok(ctx.mozDashOffset === 1, "ctx.mozDashOffset === 1");

  ctx.mozDashOffset = 1;
  ctx.mozDashOffset = -Infinity;
  ok(ctx.mozDashOffset === 1, "ctx.mozDashOffset === 1");

  ctx.mozDashOffset = 1;
  ctx.mozDashOffset = NaN;
  ok(ctx.mozDashOffset === 1, "ctx.mozDashOffset === 1");
} catch(e) {
  ok(false, "unexpected exception thrown in: test_mozDashOffset.html");
}
</script>
</pre>
</body>
</html>