diff options
Diffstat (limited to 'browser/components/resistfingerprinting/test/browser/browser_math.js')
| -rw-r--r-- | browser/components/resistfingerprinting/test/browser/browser_math.js | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/browser/components/resistfingerprinting/test/browser/browser_math.js b/browser/components/resistfingerprinting/test/browser/browser_math.js new file mode 100644 index 0000000000..1d10ad9888 --- /dev/null +++ b/browser/components/resistfingerprinting/test/browser/browser_math.js @@ -0,0 +1,115 @@ +/** + * Bug 531915 - A test for verifying that the JS Math fingerprint is constant + * when using fdlibm for Math.sin, Math.cos, and Math.tan. + */ + +async function test_math(rfp_pref, fdlibm_pref) { + info( + `privacy.resistFingerprinting: ${rfp_pref} javascript.options.use_fdlibm_for_sin_cos_tan: ${fdlibm_pref}` + ); + + await SpecialPowers.pushPrefEnv({ + set: [ + ["javascript.options.use_fdlibm_for_sin_cos_tan", fdlibm_pref], + ["privacy.resistFingerprinting", rfp_pref], + ], + }); + + let tab = await BrowserTestUtils.openNewForegroundTab( + gBrowser, + TEST_PATH + "file_dummy.html" + ); + + await SpecialPowers.spawn(tab.linkedBrowser, [], async function () { + // prettier-ignore + function test() { + // + // Tests adapted from https://github.com/arkenfox/TZP/blob/5e3f5ff2c64b4edc7beecd8308aa4f7a3efb49e3/tests/math.html#L158-L319 + // + is(Math.cos(1e251), -0.37419577499634155, "Math.cos(1e251)"); + is(Math.cos(1e140), -0.7854805190645291, "Math.cos(1e140)"); + is(Math.cos(1e12), 0.7914463018528902, "Math.cos(1e12)"); + is(Math.cos(1e130), -0.767224894221913, "Math.cos(1e130)"); + is(Math.cos(1e272), -0.7415825695514536, "Math.cos(1e272)"); + is(Math.cos(1), 0.5403023058681398, "Math.cos(1)"); + is(Math.cos(1e284), 0.7086865671674247, "Math.cos(1e284)"); + is(Math.cos(1e75), -0.7482651726250321, "Math.cos(1e75)"); + is(Math.cos(Math.PI), -1, "Math.cos(Math.PI)"); + is(Math.cos(-1e308), -0.8913089376870335, "Math.cos(-1e308)"); + is(Math.cos(13 * Math.E), -0.7108118501064332, "Math.cos(13 * Math.E)"); + is(Math.cos(57 * Math.E), -0.536911695749024, "Math.cos(57 * Math.E)"); + is(Math.cos(21 * Math.LN2), -0.4067775970251724, "Math.cos(21 * Math.LN2)"); + is(Math.cos(51 * Math.LN2), -0.7017203400855446, "Math.cos(51 * Math.LN2)"); + is(Math.cos(21 * Math.LOG2E), 0.4362848063618998, "Math.cos(21 * Math.LOG2E)"); + is(Math.cos(25 * Math.SQRT2), -0.6982689820462377, "Math.cos(25 * Math.SQRT2)"); + is(Math.cos(50 * Math.SQRT1_2), -0.6982689820462377, "Math.cos(50 * Math.SQRT1_2)"); + is(Math.cos(21 * Math.SQRT1_2), -0.6534063185820198, "Math.cos(21 * Math.SQRT1_2)"); + is(Math.cos(17 * Math.LOG10E), 0.4537557425982784, "Math.cos(17 * Math.LOG10E)"); + is(Math.cos(2 * Math.LOG10E), 0.6459044007438142, "Math.cos(2 * Math.LOG10E)"); + + is(Math.sin(1e251), -0.9273497301314576, "Math.sin(1e251)"); + is(Math.sin(1e140), -0.6188863822787813, "Math.sin(1e140)"); + is(Math.sin(1e12), -0.6112387023768895, "Math.sin(1e12)"); + is(Math.sin(1e130), 0.6413781736901984, "Math.sin(1e130)"); + is(Math.sin(1e272), 0.6708616046081811, "Math.sin(1e272)"); + is(Math.sin(1), 0.8414709848078965, "Math.sin(1)"); + is(Math.sin(1e284), -0.7055234578073583, "Math.sin(1e284)"); + is(Math.sin(1e75), 0.66339975236386, "Math.sin(1e75)"); + is(Math.sin(Math.PI), 1.2246467991473532e-16, "Math.sin(Math.PI)"); + is(Math.sin(39 * Math.E), -0.7181630308570678, "Math.sin(39 * Math.E)"); + is(Math.sin(35 * Math.LN2), -0.765996413898051, "Math.sin(35 * Math.LN2)"); + is(Math.sin(110 * Math.LOG2E), 0.9989410140273757, "Math.sin(110 * Math.LOG2E)"); + is(Math.sin(7 * Math.LOG10E), 0.10135692924965616, "Math.sin(7 * Math.LOG10E)"); + is(Math.sin(35 * Math.SQRT1_2), -0.3746357547858202, "Math.sin(35 * Math.SQRT1_2)"); + is(Math.sin(21 * Math.SQRT2), -0.9892668187780497, "Math.sin(21 * Math.SQRT2)"); + + is(Math.tan(1e251), 2.478247463217681, "Math.tan(1e251)"); + is(Math.tan(1e140), 0.7879079967710036, "Math.tan(1e140)"); + is(Math.tan(1e12), -0.7723059681318761, "Math.tan(1e12)"); + is(Math.tan(1e130), -0.8359715365344825, "Math.tan(1e130)"); + is(Math.tan(1e272), -0.904635076595654, "Math.tan(1e272)"); + is(Math.tan(1), 1.5574077246549023, "Math.tan(1)"); + is(Math.tan(1e284), -0.9955366596368418, "Math.tan(1e284)"); + is(Math.tan(1e75), -0.8865837628611647, "Math.tan(1e75)"); + is(Math.tan(-1e308), 0.5086861259107568, "Math.tan(-1e308)"); + is(Math.tan(Math.PI), -1.2246467991473532e-16, "Math.tan(Math.PI)"); + is(Math.tan(6 * Math.E), 0.6866761546452431, "Math.tan(6 * Math.E)"); + is(Math.tan(6 * Math.LN2), 1.6182817135715877, "Math.tan(6 * Math.LN2)"); + is(Math.tan(10 * Math.LOG2E), -3.3537128705376014, "Math.tan(10 * Math.LOG2E)"); + is(Math.tan(17 * Math.SQRT2), -1.9222955461799982, "Math.tan(17 * Math.SQRT2)"); + is(Math.tan(34 * Math.SQRT1_2), -1.9222955461799982, "Math.tan(34 * Math.SQRT1_2)"); + is(Math.tan(10 * Math.LOG10E), 2.5824856130712432, "Math.tan(10 * Math.LOG10E)"); + + // + // Tests adapted from https://github.com/fingerprintjs/fingerprintjs/blob/7096a5589af495f1f46067963e13ad27d887d185/src/sources/math.ts#L32-L64 + // + is(Math.acos(0.123124234234234242), 1.4473588658278522, "Math.acos(0.123124234234234242)"); + is(Math.acosh(1e308), 709.889355822726, "Math.acosh(1e308)"); + is(Math.asin(0.123124234234234242), 0.12343746096704435, "Math.asin(0.123124234234234242)"); + is(Math.asinh(1), 0.881373587019543, "Math.asinh(1)"); + is(Math.atanh(0.5), 0.5493061443340548, "Math.atanh(0.5)"); + is(Math.atan(0.5), 0.4636476090008061, "Math.atan(0.5)"); + is(Math.sin(-1e300), 0.8178819121159085, "Math.sin(-1e300)"); + is(Math.sinh(1), 1.1752011936438014, "Math.sinh(1)"); + is(Math.cos(10.000000000123), -0.8390715290095377, "Math.cos(10.000000000123)"); + is(Math.cosh(1), 1.5430806348152437, "Math.cosh(1)"); + is(Math.tan(-1e300), -1.4214488238747245, "Math.tan(-1e300)"); + is(Math.tanh(1), 0.7615941559557649, "Math.tanh(1)"); + is(Math.exp(1), 2.718281828459045, "Math.exp(1)"); + is(Math.expm1(1), 1.718281828459045, "Math.expm1(1)"); + is(Math.log1p(10), 2.3978952727983707, "Math.log1p(10)"); + } + + // Run test in the context of the page. + Cu.exportFunction(is, content, { defineAs: "is" }); + content.eval(`(${test})()`); + }); + + BrowserTestUtils.removeTab(tab); + + await SpecialPowers.popPrefEnv(); +} + +add_task(test_math.bind(null, false, true)); +add_task(test_math.bind(null, true, false)); +add_task(test_math.bind(null, true, true)); |