bufferSubDataBadArgs.html (3559B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <!-- 6 Copyright (c) 2019 The Khronos Group Inc. 7 Use of this source code is governed by an MIT-style license that can be 8 found in the LICENSE.txt file. 9 --> 10 <link rel="stylesheet" type="text/css" href="../unit.css" /> 11 <script type="application/javascript" src="../unit.js"></script> 12 <script type="application/javascript" src="../util.js"></script> 13 <script type="application/javascript"> 14 15 Tests.startUnit = function () { 16 var canvas = document.getElementById('gl'); 17 var gl = wrapGLContext(getGLContext(canvas)); 18 var buf = gl.createBuffer(); 19 var ebuf = gl.createBuffer(); 20 gl.bindBuffer(gl.ARRAY_BUFFER, buf); 21 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, ebuf); 22 return [gl, buf, ebuf]; 23 } 24 25 Tests.testBufferData = function(gl) { 26 var data = [0,0,0,0, 1,0,0,0, 0,1,0,0]; 27 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(data), gl.STREAM_DRAW); 28 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(data), gl.STREAM_DRAW); 29 assertOk("zero length data", 30 function(){gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array(0));}); 31 assertFail("number for data", 32 function(){gl.bufferSubData(gl.ARRAY_BUFFER, 0, 12);}); 33 assertFail("bad target", 34 function(){gl.bufferSubData(gl.TEXTURE_2D, 0, new Float32Array([1,2,3]));}); 35 assertFail("array for data", 36 function(){gl.bufferSubData(gl.ARRAY_BUFFER, 0, [1,2,3]);}); 37 assertOk("floats in element buffer", 38 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Float32Array([1,2,3]));}); 39 assertFail("negative offset", 40 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, -1, new Uint16Array([1,2,3]));}); 41 assertFail("offset out of range", 42 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 24, new Uint16Array([1,2,3]));}); 43 assertFail("offset out of range", 44 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 2400000, new Uint16Array([1,2,3]));}); 45 assertFail("offset out of range", 46 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 19, new Uint16Array([1,2,3]));}); 47 assertFail("data too large", 48 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array(data.concat([1])));}); 49 assertOk("offset + data.length = end", 50 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 18, new Uint16Array([1,2,3]));}); 51 assertOk("offset Infinity", 52 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, Infinity, new Uint16Array([1,2,3]));}); 53 assertOk("offset -Infinity", 54 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, -Infinity, new Uint16Array([1,2,3]));}); 55 assertOk("offset NaN", 56 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, NaN, new Uint16Array([1,2,3]));}); 57 assertOk("good args", 58 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3]));}); 59 throwError(gl, 'bufferData0'); 60 gl.bindBuffer(gl.ARRAY_BUFFER, null); 61 assertFail("setting buffer 0", 62 function(){gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3]));}); 63 throwError(gl, 'bufferData1'); 64 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null); 65 assertFail("setting buffer 0", 66 function(){gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3]));}); 67 throwError(gl, 'bufferData2'); 68 } 69 70 Tests.endUnit = function(gl, buf, ebuf) { 71 gl.deleteBuffer(buf); 72 gl.deleteBuffer(ebuf); 73 } 74 75 </script> 76 <style>canvas{ position:absolute; }</style> 77 </head><body> 78 <canvas id="gl" width="16" height="16"></canvas> 79 </body></html>