2d.canvas.host.size.large.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.large.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.canvas.host.size.large</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.large</h1>

<p class="desc"></p>

<p class="notes">Not sure how reasonable this is, but the spec doesn't say there's an upper limit on the size.

<script>

var t = async_test("");

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 n = 2147483647; // 2^31 - 1, which should be supported by any sensible definition of "long"

  canvas.width = n;

  canvas.height = n;

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

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

  t.done();

});

</script>