<html>
<head>
<script src="../../../resources/js-test.js"></script>
<script src="resources/webgl-test.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>

<script>
description('Verifies that the index validation code which is within bufferSubData does not crash.')

var gl = create3DContext();

var elementBuffer = gl.createBuffer();
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, elementBuffer);
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, 256, gl.STATIC_DRAW);
var data = new Uint8Array(127);
gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 63, data);
testPassed("bufferSubData, when buffer object was initialized with null, did not crash");
</script>
</body>
</html>
