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/*
** Copyright (c) 2014 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<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>
<div id="description"></div>
<div id="console"></div>

<script>
"use strict";
description("Test ARRAY_BUFFER deletion when a vertex attrib array with location != 0 is pointing to it and preserveDrawingBuffer is true.");

var canvas = document.createElement('canvas');
document.body.appendChild(canvas);

canvas.addEventListener(
    "webglcontextlost",
    function(event) {
        testFailed("Context lost");
        event.preventDefault();
    },
    false);

var wtu = WebGLTestUtils;
var gl = wtu.create3DContext(canvas, {preserveDrawingBuffer: true});
shouldBeNonNull("gl");

var array = new Float32Array([0]);
var buf = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, buf);
gl.bufferData(gl.ARRAY_BUFFER, array, gl.STATIC_DRAW);
wtu.glErrorShouldBe(gl, gl.NO_ERROR);

var attribLocation = 1;
gl.enableVertexAttribArray(attribLocation);
gl.vertexAttribPointer(attribLocation, 1, gl.FLOAT, false, 0, 0);

gl.deleteBuffer(buf);

setTimeout(function() {
    // Wait for possible context loss
    finishTest();
}, 2000);

var successfullyParsed = true;
</script>

</body>
</html>
