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/**
* Bug 1621677 - A test for making sure getting the correct (higher) precision
* when it's cross-origin-isolated for performance APIs.
*/
// ================================================================================================
// ================================================================================================
// This test case is mostly copy-and-paste from the forth test case in
// browser_performanceAPI.js. The main difference is this test case verifies
// performance API have more precsion when it's in cross-origin-isolated and
// cross-origin-isolated doesn't affect RFP.
let runWorkerTest = async function (data) {
let expectedPrecision = data.precision;
await new Promise(resolve => {
// eslint beleives that isrounded is available in this scope, but if you
// remove the assignment, you will see it is not
// eslint-disable-next-line
let isRounded = eval(data.isRoundedFunc);
let worker = new content.Worker(
"coop_header.sjs?crossOriginIsolated=true&worker=true"
);
worker.postMessage({
type: "runCmdAndGetResult",
cmd: `performance.timeOrigin`,
});
const expectedAllEntriesLength = 3;
const expectedResourceEntriesLength = 2;
const expectedTestAndMarkEntriesLength = 1;
worker.onmessage = function (e) {
if (e.data.type == "result") {
if (e.data.resultOf == "performance.timeOrigin") {
ok(
isRounded(e.data.result, expectedPrecision),
`In a worker, performance.timeOrigin is` +
` not correctly rounded: ${e.data.result}`
);
worker.postMessage({
type: "runCmds",
cmds: [
`performance.mark("Test");`,
`performance.mark("Test-End");`,
`performance.measure("Test-Measure", "Test", "Test-End");`,
],
});
} else if (e.data.resultOf == "entriesLength") {
is(
e.data.result,
expectedAllEntriesLength,
`In a worker: Incorrect number of ` +
`entries for performance.getEntries() for workers: ` +
`${e.data.result}`
);
worker.postMessage({
type: "getResult",
resultOf: "startTimeAndDuration",
num: 0,
});
} else if (e.data.resultOf == "startTimeAndDuration") {
let index = e.data.result.index;
let startTime = e.data.result.startTime;
let duration = e.data.result.duration;
ok(
isRounded(startTime, expectedPrecision),
`In a worker, for precision(${expectedPrecision}, ` +
`performance.getEntries(${index}).startTime is not rounded: ` +
`${startTime}`
);
ok(
isRounded(duration, expectedPrecision),
`In a worker, for precision(${expectedPrecision}), ` +
`performance.getEntries(${index}).duration is not rounded: ` +
`${duration}`
);
if (index < 2) {
worker.postMessage({
type: "getResult",
resultOf: "startTimeAndDuration",
num: index + 1,
});
} else {
worker.postMessage({
type: "getResult",
resultOf: "getEntriesByTypeLength",
});
}
} else if (e.data.resultOf == "entriesByTypeLength") {
is(
e.data.result.markLength,
expectedResourceEntriesLength,
`In a worker: Incorrect number of ` +
`entries for performance.getEntriesByType() for workers: ` +
`${e.data.result.resourceLength}`
);
is(
e.data.result.testAndMarkLength,
expectedTestAndMarkEntriesLength,
`In a worker: Incorrect number of ` +
`entries for performance.getEntriesByName() for workers: ` +
`${e.data.result.testAndMarkLength}`
);
worker.terminate();
resolve();
}
} else {
ok(false, `Unknown message type got ${e.data.type}`);
worker.terminate();
resolve();
}
};
});
};
add_task(async function runTestsForWorker() {
// RFP
await setupAndRunCrossOriginIsolatedTest(
{
resistFingerprinting: true,
reduceTimerPrecision: true,
crossOriginIsolated: true,
},
100,
runWorkerTest,
"runTimerTests"
);
await setupAndRunCrossOriginIsolatedTest(
{
resistFingerprinting: true,
crossOriginIsolated: true,
},
13,
runWorkerTest,
"runTimerTests"
);
await setupAndRunCrossOriginIsolatedTest(
{
resistFingerprinting: true,
reduceTimerPrecision: true,
crossOriginIsolated: true,
},
0.13,
runWorkerTest,
"runTimerTests"
);
// RTP
await setupAndRunCrossOriginIsolatedTest(
{
reduceTimerPrecision: true,
},
0.13,
runWorkerTest,
"runTimerTests"
);
await setupAndRunCrossOriginIsolatedTest(
{
reduceTimerPrecision: true,
crossOriginIsolated: true,
},
0.005,
runWorkerTest,
"runTimerTests"
);
});
|
