2d.canvas.host.size.attributes.idl.html

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/canvas-host/2d.canvas.host.size.attributes.idl.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

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

<title>OffscreenCanvas test: 2d.canvas.host.size.attributes.idl</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/html/canvas/resources/canvas-tests.js"></script>

<h1>2d.canvas.host.size.attributes.idl</h1>

<p class="desc">Getting/setting width/height IDL attributes</p>

<script>

var t = async_test("Getting/setting width/height IDL attributes");

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');

  canvas.width = "100";

  canvas.height = "100";

  _assertSame(canvas.width, 100, "canvas.width", "100");

  _assertSame(canvas.height, 100, "canvas.height", "100");

  canvas.width = "+1.5e2";

  canvas.height = "0x96";

  _assertSame(canvas.width, 150, "canvas.width", "150");

  _assertSame(canvas.height, 150, "canvas.height", "150");

  canvas.width = 301.999;

  canvas.height = 301.001;

  _assertSame(canvas.width, 301, "canvas.width", "301");

  _assertSame(canvas.height, 301, "canvas.height", "301");

  assert_throws_js(TypeError, function() { canvas.width = "400x"; });

  assert_throws_js(TypeError, function() { canvas.height = "foo"; });

  _assertSame(canvas.width, 301, "canvas.width", "301");

  _assertSame(canvas.height, 301, "canvas.height", "301");

  t.done();

});

</script>