HTMLCanvasElement-captureStream-settings.tentative.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /mediacapture-fromelement/HTMLCanvasElement-captureStream-settings.tentative.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<title>HTMLCanvasElement.captureStream().track.getSettings()</title>

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

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

<script>

'use strict';

// Tentative pending resolution of https://github.com/w3c/mediacapture-fromelement/issues/48.

promise_test(async t => {

  if (!document.body) {

    await new Promise(r => document.addEventListener("DOMContentLoaded", r, {once: true}));

  const canvas = document.createElement("canvas");

  canvas.width = 166;

  canvas.height = 72;

  document.body.appendChild(canvas);

  const ctx = canvas.getContext("2d");

  const stream = canvas.captureStream();

  t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));

  const [track] = stream.getTracks();

  assert_equals(track.getSettings().width, 166, "Track width setting initially set");

  assert_equals(track.getSettings().height, 72, "Track height setting initially set");

  canvas.width = 200;

  canvas.height = 100;

  assert_equals(track.getSettings().width, 200, "Track width setting follows canvas");

  assert_equals(track.getSettings().height, 100, "Track height setting follows canvas");

}, "HTMLCanvasElement.captureStream() creates tracks that populate resolution settings");

</script>