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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Test that ChromeUtils.addProfilerMarker is working correctly.
*/
const markerNamePrefix = "test_addProfilerMarker";
const markerText = "Text payload";
// The same startTime will be used for all markers with a duration,
// and we store this value globally so that expectDuration and
// expectNoDuration can access it. The value isn't set here as we
// want a start time after the profiler has started
var startTime;
function expectNoDuration(marker) {
Assert.equal(
typeof marker.startTime,
"number",
"startTime should be a number"
);
Assert.greater(
marker.startTime,
startTime,
"startTime should be after the begining of the test"
);
Assert.equal(typeof marker.endTime, "number", "endTime should be a number");
Assert.equal(marker.endTime, 0, "endTime should be 0");
}
function expectDuration(marker) {
Assert.equal(
typeof marker.startTime,
"number",
"startTime should be a number"
);
Assert.equal(
Math.round(marker.startTime * 10 ** 6) / 10 ** 6,
startTime,
"startTime should be the expected time"
);
Assert.equal(typeof marker.endTime, "number", "endTime should be a number");
Assert.greater(
marker.endTime,
startTime,
"endTime should be after startTime"
);
}
function expectNoData(marker) {
Assert.equal(
typeof marker.data,
"undefined",
"The data property should be undefined"
);
}
function expectText(marker) {
Assert.equal(
typeof marker.data,
"object",
"The data property should be an object"
);
Assert.equal(marker.data.type, "Text", "Should be a Text marker");
Assert.equal(
marker.data.name,
markerText,
"The payload should contain the expected text"
);
}
function expectNoStack(marker) {
Assert.ok(!marker.data || !marker.data.stack, "There should be no stack");
}
function expectStack(marker) {
Assert.ok(marker.data.stack, "There should be a stack");
}
add_task(async () => {
if (!AppConstants.MOZ_GECKO_PROFILER) {
return;
}
startProfiler();
startTime = Math.round(Cu.now() * 10 ** 6) / 10 ** 6;
info("startTime used for markers with durations: " + startTime);
/* Each call to testMarker will record a marker with a unique name.
* The testFunctions and testCases objects contain respectively test
* functions to verify that the marker found in the captured profile
* matches expectations, and a string that can be printed to describe
* in which way ChromeUtils.addProfilerMarker was called. */
let testFunctions = {};
let testCases = {};
let markerId = 0;
function testMarker(args, checks) {
let name = markerNamePrefix + markerId++;
ChromeUtils.addProfilerMarker(name, ...args);
testFunctions[name] = checks;
testCases[name] = `ChromeUtils.addProfilerMarker(${[name, ...args]
.toSource()
.slice(1, -1)})`;
}
info("Record markers without options object.");
testMarker([], m => {
expectNoDuration(m);
expectNoData(m);
});
testMarker([startTime], m => {
expectDuration(m);
expectNoData(m);
});
testMarker([undefined, markerText], m => {
expectNoDuration(m);
expectText(m);
});
testMarker([startTime, markerText], m => {
expectDuration(m);
expectText(m);
});
info("Record markers providing the duration as the startTime property.");
testMarker([{ startTime }], m => {
expectDuration(m);
expectNoData(m);
});
testMarker([{}, markerText], m => {
expectNoDuration(m);
expectText(m);
});
testMarker([{ startTime }, markerText], m => {
expectDuration(m);
expectText(m);
});
info("Record markers to test the captureStack property.");
const captureStack = true;
testMarker([], expectNoStack);
testMarker([startTime, markerText], expectNoStack);
testMarker([{ captureStack: false }], expectNoStack);
testMarker([{ captureStack }], expectStack);
testMarker([{ startTime, captureStack }], expectStack);
testMarker([{ captureStack }, markerText], expectStack);
testMarker([{ startTime, captureStack }, markerText], expectStack);
info("Record markers to test the category property");
function testCategory(args, expectedCategory) {
testMarker(args, marker => {
Assert.equal(marker.category, expectedCategory);
});
}
testCategory([], "JavaScript");
testCategory([{ category: "Test" }], "Test");
testCategory([{ category: "Test" }, markerText], "Test");
testCategory([{ category: "JavaScript" }], "JavaScript");
testCategory([{ category: "Other" }], "Other");
testCategory([{ category: "DOM" }], "DOM");
testCategory([{ category: "does not exist" }], "Other");
info("Capture the profile");
const profile = await stopAndGetProfile();
const mainThread = profile.threads.find(({ name }) => name === "GeckoMain");
const markers = getInflatedMarkerData(mainThread).filter(m =>
m.name.startsWith(markerNamePrefix)
);
Assert.equal(
markers.length,
Object.keys(testFunctions).length,
`Found ${markers.length} test markers in the captured profile`
);
for (let marker of markers) {
marker.category = profile.meta.categories[marker.category].name;
info(`${testCases[marker.name]} -> ${marker.toSource()}`);
testFunctions[marker.name](marker);
delete testFunctions[marker.name];
}
Assert.equal(0, Object.keys(testFunctions).length, "all markers were found");
});
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