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Test Info: Warnings
- This test gets skipped with pattern: debug OR os == 'android' && arch == 'armeabi-v7a' OR os == 'mac' && os_version == '10.15' && arch == 'x86_64' && opt OR os == 'mac' && os_version == '14.70' && arch == 'x86_64' && opt OR os == 'mac' && os_version == '15.30' && arch == 'aarch64' && opt OR os == 'win' && msix OR release_or_beta
- Manifest: toolkit/components/backgroundhangmonitor/tests/xpcshell.toml
/* Any copyright is dedicated to the Public Domain.
const { TelemetryUtils } = ChromeUtils.importESModule(
"resource://gre/modules/TelemetryUtils.sys.mjs"
);
function captureNextGeckoHang(matchFn) {
return new Promise(resolve => {
const onThreadHang = subject => {
let hang = subject.QueryInterface(Ci.nsIHangDetails);
if (hang.thread !== "Gecko") {
return;
}
if (matchFn && !matchFn(hang)) {
return;
}
Services.obs.removeObserver(onThreadHang, "bhr-thread-hang");
resolve(hang);
};
Services.obs.addObserver(onThreadHang, "bhr-thread-hang");
});
}
function induceMainThreadHang() {
executeSoon(() => {
let start = Date.now();
// eslint-disable-next-line no-empty
while (Date.now() - start < 1000) {}
});
}
function annotationKeys(hang) {
return new Set(hang.annotations.map(([k]) => k));
}
add_task(async function setup() {
if (!Services.telemetry.canRecordExtended) {
return;
}
do_get_profile();
Services.prefs.setBoolPref(
TelemetryUtils.Preferences.OverridePreRelease,
true
);
});
add_task(async function test_ImpendingShutdown_annotation() {
if (!Services.telemetry.canRecordExtended) {
return;
}
Services.startup.setImpendingShutdown();
Assert.ok(
!Services.startup.isInOrBeyondShutdownPhase(
Ci.nsIAppStartup.SHUTDOWN_PHASE_APPSHUTDOWNCONFIRMED
),
"phase not advanced yet"
);
let hangPromise = captureNextGeckoHang(hang =>
annotationKeys(hang).has("ShutdownImpending")
);
induceMainThreadHang();
let keys = annotationKeys(await hangPromise);
ok(
keys.has("ShutdownImpending"),
"ShutdownImpending annotation is present when shutdown is impending"
);
});
add_task(async function test_ShutdownConfirmed_annotation() {
if (!Services.telemetry.canRecordExtended) {
return;
}
Services.startup.advanceShutdownPhase(
Ci.nsIAppStartup.SHUTDOWN_PHASE_APPSHUTDOWNCONFIRMED
);
let hangPromise = captureNextGeckoHang(hang =>
annotationKeys(hang).has("ShutdownImpending")
);
induceMainThreadHang();
let keys = annotationKeys(await hangPromise);
ok(
keys.has("ShutdownImpending"),
"ShutdownImpending annotation is present once the AppShutdownConfirmed phase has been advanced"
);
});