<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.imageData.create2.negative</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>

<h1>2d.imageData.create2.negative</h1>
<p class="desc">createImageData(sw, sh) takes the absolute magnitude of the size arguments</p>


<script>
var t = async_test("createImageData(sw, sh) takes the absolute magnitude of the size arguments");
var t_pass = t.done.bind(t);
var t_fail = t.step_func(function(reason) {
    throw reason;
});
t.step(function() {

  var canvas = new OffscreenCanvas(100, 50);
  var ctx = canvas.getContext('2d');

  var imgdata1 = ctx.createImageData(10, 20);
  var imgdata2 = ctx.createImageData(-10, 20);
  var imgdata3 = ctx.createImageData(10, -20);
  var imgdata4 = ctx.createImageData(-10, -20);
  _assertSame(imgdata1.data.length, imgdata2.data.length, "imgdata1.data.length", "imgdata2.data.length");
  _assertSame(imgdata2.data.length, imgdata3.data.length, "imgdata2.data.length", "imgdata3.data.length");
  _assertSame(imgdata3.data.length, imgdata4.data.length, "imgdata3.data.length", "imgdata4.data.length");
  t.done();

});
</script>
