<!--
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL User-Defined Properties Test</title>
<link rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../js/js-test-pre.js"></script>
<script src="../../js/webgl-test-utils.js"></script>
</head>
<body onload="initialize()">
<div id="description"></div>
<div id="console"></div>
<canvas id="canvas" style="width: 50px; height: 50px;"> </canvas>
<script>
"use strict";
description("This test ensures that if user-defined properties are set on the WebGL context object, that they don't disappear after garbage collection.");

var gl2 = null;

function initialize() {
  var wtu = WebGLTestUtils;
  var canvas = document.getElementById("canvas");
  var gl1 = wtu.create3DContext(canvas);
  if (!gl1) {
    testFailed("WebGL context does not exist");
    finishTest();
  } else {
    testPassed("WebGL context exists");
    gl1.myProperty = 2;
    wtu.requestAnimFrame(runTest);
  }
}

function runTest() {
  webglHarnessCollectGarbage();
  var wtu = WebGLTestUtils;
  var canvas = document.getElementById("canvas");
  gl2 = wtu.create3DContext(canvas);
  shouldBe('gl2.myProperty', '2');
  finishTest();
}
</script>
</body>
</html>
