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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<!--
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.
-->
<link rel="stylesheet" type="text/css" href="../unit.css" />
<script type="application/javascript" src="../unit.js"></script>
<script type="application/javascript" src="../util.js"></script>
<script type="application/javascript">
Tests.startUnit = function () {
var canvas = document.getElementById('gl');
var gl = wrapGLContext(getGLContext(canvas));
var buf = gl.createBuffer();
var ebuf = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, buf);
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, ebuf);
return [gl, buf, ebuf];
}
Tests.testBufferData = function(gl) {
var data = [0,0,0,0, 1,0,0,0, 0,1,0,0];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(data), gl.STREAM_DRAW);
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(data), gl.STREAM_DRAW);
assertOk("zero length data",
function(){gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array(0));});
assertFail("number for data",
function(){gl.bufferSubData(gl.ARRAY_BUFFER, 0, 12);});
assertFail("bad target",
function(){gl.bufferSubData(gl.TEXTURE_2D, 0, new Float32Array([1,2,3]));});
assertFail("array for data",
function(){gl.bufferSubData(gl.ARRAY_BUFFER, 0, [1,2,3]);});
assertOk("floats in element buffer",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Float32Array([1,2,3]));});
assertFail("negative offset",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, -1, new Uint16Array([1,2,3]));});
assertFail("offset out of range",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 24, new Uint16Array([1,2,3]));});
assertFail("offset out of range",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 2400000, new Uint16Array([1,2,3]));});
assertFail("offset out of range",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 19, new Uint16Array([1,2,3]));});
assertFail("data too large",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array(data.concat([1])));});
assertOk("offset + data.length = end",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 18, new Uint16Array([1,2,3]));});
assertOk("offset Infinity",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, Infinity, new Uint16Array([1,2,3]));});
assertOk("offset -Infinity",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, -Infinity, new Uint16Array([1,2,3]));});
assertOk("offset NaN",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, NaN, new Uint16Array([1,2,3]));});
assertOk("good args",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3]));});
throwError(gl, 'bufferData0');
gl.bindBuffer(gl.ARRAY_BUFFER, null);
assertFail("setting buffer 0",
function(){gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3]));});
throwError(gl, 'bufferData1');
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
assertFail("setting buffer 0",
function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3]));});
throwError(gl, 'bufferData2');
}
Tests.endUnit = function(gl, buf, ebuf) {
gl.deleteBuffer(buf);
gl.deleteBuffer(ebuf);
}
</script>
<style>canvas{ position:absolute; }</style>
</head><body>
<canvas id="gl" width="16" height="16"></canvas>
</body></html>
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