test_webgl_fingerprinting_resistance.html

Enable keyboard shortcuts

<!DOCTYPE html>

<meta charset="utf-8">

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<script>

/* global SimpleTest SpecialPowers */

SimpleTest.waitForExplicitFinish();

document.addEventListener("DOMContentLoaded", async function() {

  await SpecialPowers.pushPrefEnv({

    set: [

      ["privacy.resistFingerprinting", true]

});

  let canvas = document.body.appendChild(document.createElement("canvas"));

  if (!canvas) {

    SimpleTest.ok(false, "Cannot create canvas");

    SimpleTest.finish();

  let gl = canvas.getContext("webgl");

  if (!gl) {

    SimpleTest.ok(false, "Cannot get WebGL context");

    SimpleTest.finish();

  SimpleTest.is(gl.getParameter(gl.MAX_TEXTURE_SIZE), 2048, "MAX_TEXTURE_SIZE");

  SimpleTest.is(gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE),  2048, "MAX_CUBE_MAP_TEXTURE_SIZE");

  SimpleTest.is(gl.getParameter(gl.MAX_RENDERBUFFER_SIZE),  2048, "MAX_RENDERBUFFER_SIZE");

  SimpleTest.is(gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS),  8, "MAX_VERTEX_TEXTURE_IMAGE_UNITS");

  SimpleTest.is(gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS),  8, "MAX_TEXTURE_IMAGE_UNITS");

  SimpleTest.is(gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS),  16, "MAX_COMBINED_TEXTURE_IMAGE_UNITS");

  SimpleTest.is(gl.getParameter(gl.MAX_VERTEX_ATTRIBS),  16, "MAX_VERTEX_ATTRIBS");

  SimpleTest.is(gl.getParameter(gl.MAX_VERTEX_UNIFORM_VECTORS),  256, "MAX_VERTEX_UNIFORM_VECTORS");

  SimpleTest.is(gl.getParameter(gl.MAX_FRAGMENT_UNIFORM_VECTORS),  224, "MAX_FRAGMENT_UNIFORM_VECTORS");

  SimpleTest.is(gl.getParameter(gl.MAX_VARYING_VECTORS),  8, "MAX_VARYING_VECTORS");

  let viewportDims = gl.getParameter(gl.MAX_VIEWPORT_DIMS);

  SimpleTest.is(viewportDims[0],  4096, "MAX_VIEWPORT_DIMS[0]");

  SimpleTest.is(viewportDims[1],  4096, "MAX_VIEWPORT_DIMS[1]");

  let aliasedPointSizeRange = gl.getParameter(gl.ALIASED_POINT_SIZE_RANGE);

  SimpleTest.is(aliasedPointSizeRange[0],  1, "ALIASED_POINT_SIZE_RANGE[0]");

  SimpleTest.is(aliasedPointSizeRange[1],  63, "ALIASED_POINT_SIZE_RANGE[1]");

  let aliasedLineWIdthRange = gl.getParameter(gl.ALIASED_LINE_WIDTH_RANGE);

  SimpleTest.is(aliasedLineWIdthRange[0],  1, "ALIASED_LINE_WIDTH_RANGE[0]");

  SimpleTest.is(aliasedLineWIdthRange[1],  1, "ALIASED_LINE_WIDTH_RANGE[1]");

  SimpleTest.finish();

});

</script>