2d.imageData.create2.nonfinite.html

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/pixel-manipulation/2d.imageData.create2.nonfinite.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->

<meta charset="UTF-8">

<title>OffscreenCanvas test: 2d.imageData.create2.nonfinite</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.nonfinite</h1>

<p class="desc">createImageData() throws TypeError if arguments are not finite</p>

<p class="notes">Defined in "Web IDL" (draft)

<script>

var t = async_test("createImageData() throws TypeError if arguments are not finite");

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');

  assert_throws_js(TypeError, function() { ctx.createImageData(Infinity, 10); });

  assert_throws_js(TypeError, function() { ctx.createImageData(-Infinity, 10); });

  assert_throws_js(TypeError, function() { ctx.createImageData(NaN, 10); });

  assert_throws_js(TypeError, function() { ctx.createImageData(10, Infinity); });

  assert_throws_js(TypeError, function() { ctx.createImageData(10, -Infinity); });

  assert_throws_js(TypeError, function() { ctx.createImageData(10, NaN); });

  assert_throws_js(TypeError, function() { ctx.createImageData(Infinity, Infinity); });

  var posinfobj = { valueOf: function() { return Infinity; } },

      neginfobj = { valueOf: function() { return -Infinity; } },

      nanobj = { valueOf: function() { return -Infinity; } };

  assert_throws_js(TypeError, function() { ctx.createImageData(posinfobj, 10); });

  assert_throws_js(TypeError, function() { ctx.createImageData(neginfobj, 10); });

  assert_throws_js(TypeError, function() { ctx.createImageData(nanobj, 10); });

  assert_throws_js(TypeError, function() { ctx.createImageData(10, posinfobj); });

  assert_throws_js(TypeError, function() { ctx.createImageData(10, neginfobj); });

  assert_throws_js(TypeError, function() { ctx.createImageData(10, nanobj); });

  assert_throws_js(TypeError, function() { ctx.createImageData(posinfobj, posinfobj); });

  t.done();

});

</script>