test_webgl_fingerprinting_resistance.html (2309B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <script src="/tests/SimpleTest/SimpleTest.js"></script> 4 <script> 5 /* global SimpleTest SpecialPowers */ 6 SimpleTest.waitForExplicitFinish(); 7 document.addEventListener("DOMContentLoaded", async function() { 8 await SpecialPowers.pushPrefEnv({ 9 set: [ 10 ["privacy.resistFingerprinting", true] 11 ] 12 }); 13 14 let canvas = document.body.appendChild(document.createElement("canvas")); 15 if (!canvas) { 16 SimpleTest.ok(false, "Cannot create canvas"); 17 SimpleTest.finish(); 18 } 19 20 let gl = canvas.getContext("webgl"); 21 if (!gl) { 22 SimpleTest.ok(false, "Cannot get WebGL context"); 23 SimpleTest.finish(); 24 } 25 26 SimpleTest.is(gl.getParameter(gl.MAX_TEXTURE_SIZE), 2048, "MAX_TEXTURE_SIZE"); 27 SimpleTest.is(gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE), 2048, "MAX_CUBE_MAP_TEXTURE_SIZE"); 28 SimpleTest.is(gl.getParameter(gl.MAX_RENDERBUFFER_SIZE), 2048, "MAX_RENDERBUFFER_SIZE"); 29 SimpleTest.is(gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS), 8, "MAX_VERTEX_TEXTURE_IMAGE_UNITS"); 30 SimpleTest.is(gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS), 8, "MAX_TEXTURE_IMAGE_UNITS"); 31 SimpleTest.is(gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS), 16, "MAX_COMBINED_TEXTURE_IMAGE_UNITS"); 32 SimpleTest.is(gl.getParameter(gl.MAX_VERTEX_ATTRIBS), 16, "MAX_VERTEX_ATTRIBS"); 33 SimpleTest.is(gl.getParameter(gl.MAX_VERTEX_UNIFORM_VECTORS), 256, "MAX_VERTEX_UNIFORM_VECTORS"); 34 SimpleTest.is(gl.getParameter(gl.MAX_FRAGMENT_UNIFORM_VECTORS), 224, "MAX_FRAGMENT_UNIFORM_VECTORS"); 35 SimpleTest.is(gl.getParameter(gl.MAX_VARYING_VECTORS), 8, "MAX_VARYING_VECTORS"); 36 let viewportDims = gl.getParameter(gl.MAX_VIEWPORT_DIMS); 37 SimpleTest.is(viewportDims[0], 4096, "MAX_VIEWPORT_DIMS[0]"); 38 SimpleTest.is(viewportDims[1], 4096, "MAX_VIEWPORT_DIMS[1]"); 39 let aliasedPointSizeRange = gl.getParameter(gl.ALIASED_POINT_SIZE_RANGE); 40 SimpleTest.is(aliasedPointSizeRange[0], 1, "ALIASED_POINT_SIZE_RANGE[0]"); 41 SimpleTest.is(aliasedPointSizeRange[1], 63, "ALIASED_POINT_SIZE_RANGE[1]"); 42 let aliasedLineWIdthRange = gl.getParameter(gl.ALIASED_LINE_WIDTH_RANGE); 43 SimpleTest.is(aliasedLineWIdthRange[0], 1, "ALIASED_LINE_WIDTH_RANGE[0]"); 44 SimpleTest.is(aliasedLineWIdthRange[1], 1, "ALIASED_LINE_WIDTH_RANGE[1]"); 45 SimpleTest.finish(); 46 }); 47 </script>