<!--
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 Enable Vertex Attrib 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>
    <script src="../../js/tests/invalid-vertex-attrib-test.js"></script>
</head>
<body>
<canvas id="example" width="50" height="50">
</canvas>
<div id="description"></div>
<div id="console"></div>

<script>
"use strict";
description("tests that turning on attribs that have no buffer bound fails to draw");
const wtu = WebGLTestUtils;
const gl = wtu.create3DContext("example");

async function runInvalidAttribTests() {
    const invalidAttribTestFn = createInvalidAttribTestFn(gl);

    function drawArrays(gl) {
      gl.drawArrays(gl.TRIANGLES, 0, 6);
    }

    function drawElements(gl) {
      gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_BYTE, 0);
    }

    await invalidAttribTestFn(drawArrays);
    await invalidAttribTestFn(drawElements);
    finishTest();
}
runInvalidAttribTests();

var successfullyParsed = true;
</script>

</body>
</html>

