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Test Info:
/**
* This test only tests values in the iframe, it does not test them on the framer
*
* Covers the following cases:
* - RFP is disabled entirely
* - RFP is enabled entirely in normal and PBM
* - FPP is enabled entirely in normal and PBM
*
*/
"use strict";
const SPOOFED_HW_CONCURRENCY = 2;
const DEFAULT_HARDWARE_CONCURRENCY = navigator.hardwareConcurrency;
// =============================================================================================
// =============================================================================================
async function testHWConcurrency(result, expectedResults, extraData) {
let testDesc = extraData.testDesc;
is(
result.hardwareConcurrency,
expectedResults.hardwareConcurrency,
`Checking ${testDesc} navigator.hardwareConcurrency.`
);
}
// The following are convenience objects that allow you to quickly see what is
// and is not modified from a logical set of values.
// Be sure to always use `let expectedResults = structuredClone(allNotSpoofed)` to do a
// deep copy and avoiding corrupting the original 'const' object
const allNotSpoofed = {
hardwareConcurrency: DEFAULT_HARDWARE_CONCURRENCY,
};
const allSpoofed = {
hardwareConcurrency: SPOOFED_HW_CONCURRENCY,
};
const uri = `https://${FRAMER_DOMAIN}/browser/browser/components/resistfingerprinting/test/browser/file_hwconcurrency_iframer.html?mode=iframe`;
requestLongerTimeout(2);
let extraData = {
etp_reload: true,
};
let expectedResults = {};
expectedResults = structuredClone(allNotSpoofed);
add_task(
defaultsTest.bind(null, uri, testHWConcurrency, expectedResults, extraData)
);
// The ETP toggle _does not_ override RFP, only FPP.
expectedResults = structuredClone(allSpoofed);
add_task(
simpleRFPTest.bind(null, uri, testHWConcurrency, expectedResults, extraData)
);
expectedResults = structuredClone(allSpoofed);
add_task(
simplePBMRFPTest.bind(
null,
uri,
testHWConcurrency,
expectedResults,
extraData
)
);
expectedResults = structuredClone(allNotSpoofed);
add_task(
simpleFPPTest.bind(null, uri, testHWConcurrency, expectedResults, extraData)
);
expectedResults = structuredClone(allNotSpoofed);
add_task(
simplePBMFPPTest.bind(
null,
uri,
testHWConcurrency,
expectedResults,
extraData
)
);
// These test cases exercise the unusual configuration of RFP enabled in PBM and FPP enabled
// in normal browsing mode.
let extraPrefs = [
["privacy.resistFingerprinting.pbmode", true],
["privacy.fingerprintingProtection", true],
["privacy.fingerprintingProtection.overrides", "+HardwareConcurrency"],
];
let this_extraData = structuredClone(extraData);
this_extraData.testDesc =
"RFP enabled in PBM, FPP enabled globally, testing in normal browsing mode";
expectedResults = allNotSpoofed;
add_task(
defaultsTest.bind(
null,
uri,
testHWConcurrency,
structuredClone(expectedResults),
this_extraData,
structuredClone(extraPrefs)
)
);
this_extraData = structuredClone(extraData);
this_extraData.testDesc =
"RFP enabled in PBM, FPP enabled globally, testing in PBM";
this_extraData.private_window = true;
expectedResults = allSpoofed;
add_task(
defaultsTest.bind(
null,
uri,
testHWConcurrency,
structuredClone(expectedResults),
this_extraData,
structuredClone(extraPrefs)
)
);