<!DOCTYPE html>
<html class='reftest-wait'>
  <head>
    <meta charset='UTF-8'>
    <script type='text/javascript' src='webgl-utils.js'></script>
  </head>

  <body>
    <canvas id='e_canvas'></canvas>
    <br>
    <div id='e_log'></div>
    <script>
/* Resize Test
 *
 * Create canvas of wrong size.
 * Clear the canvas to red.
 * Resize to correct size.
 * Clear to green.
 */

'use strict';

async function awaitComposite() {
  await new Promise((res, rej) => {
    waitForComposite(res);
  });
}

function testComplete() {
  document.documentElement.removeAttribute('class');
}

(async function() {
  const gl = initGL(e_canvas);
  if (!gl) {
    e_log.textContent = 'WebGL failed.';
  } else {
    gl.clearColor(1.0, 0.0, 0.0, 1.0); // red
    gl.clear(gl.COLOR_BUFFER_BIT);
    await awaitComposite();

    gl.canvas.width = 256;
    gl.canvas.height = 256;
    gl.clearColor(0.0, 1.0, 0.0, 1.0); // green
    gl.clear(gl.COLOR_BUFFER_BIT);
  }

  await awaitComposite();
  testComplete();
})();
    </script>
  </body>
</html>
