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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
"use strict";
const BackgroundJSM = ChromeUtils.importESModule(
"resource://devtools/client/performance-new/shared/background.sys.mjs"
);
const PrefsPresets = ChromeUtils.importESModule(
"resource://devtools/shared/performance-new/prefs-presets.sys.mjs"
);
// Recording already set preferences.
const devtoolsPreferences = Services.prefs.getBranch("devtools");
const alreadySetPreferences = new Set();
for (const pref of devtoolsPreferences.getChildList("")) {
if (devtoolsPreferences.prefHasUserValue(pref)) {
alreadySetPreferences.add(pref);
}
}
// Reset all devtools preferences on test end.
registerCleanupFunction(async () => {
await SpecialPowers.flushPrefEnv();
// Reset devtools preferences modified by the test.
for (const pref of devtoolsPreferences.getChildList("")) {
if (
devtoolsPreferences.prefHasUserValue(pref) &&
!alreadySetPreferences.has(pref)
) {
devtoolsPreferences.clearUserPref(pref);
}
}
});
registerCleanupFunction(() => {
PrefsPresets.revertRecordingSettings();
});
/**
* Allow tests to use "require".
*/
const { require } = ChromeUtils.importESModule(
"resource://devtools/shared/loader/Loader.sys.mjs"
);
{
if (Services.env.get("MOZ_PROFILER_SHUTDOWN")) {
throw new Error(
"These tests cannot be run with shutdown profiling as they rely on manipulating " +
"the state of the profiler."
);
}
if (Services.profiler.IsActive()) {
if (Services.env.exists("MOZ_PROFILER_STARTUP")) {
// If the startup profiling environment variable exists, it is likely
// that tests are being profiled.
// Stop the profiler before starting profiler tests.
info(
"This test starts and stops the profiler and is not compatible " +
"with the use of MOZ_PROFILER_STARTUP. " +
"Stopping the profiler before starting the test."
);
Services.profiler.StopProfiler();
} else {
throw new Error(
"The profiler must not be active before starting it in a test."
);
}
}
}
Services.scriptloader.loadSubScript(
this
);