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"use strict";
// extensions.backgroundServiceWorker.enabled=false is set in the test manifest
// because there is no guarantee that the pref value set at runtime takes effect
// due to the pref being declared "mirror: once". The value of this pref is
// frozen upon the first access to any "mirror:once" pref, and we can therefore
// not assume the pref value to be mutable at runtime.
const PREF_EXT_SW_ENABLED = "extensions.backgroundServiceWorker.enabled";
add_task(async function test_backgroundServiceWorkerEnabled() {
// Sanity check:
Assert.equal(
Services.prefs.getBoolPref(PREF_EXT_SW_ENABLED),
false,
"Pref value should be false"
);
Assert.equal(
WebExtensionPolicy.backgroundServiceWorkerEnabled,
false,
"backgroundServiceWorkerEnabled should be false"
);
if (AppConstants.MOZ_WEBEXT_WEBIDL_ENABLED) {
Assert.ok(
!Services.prefs.prefIsLocked(PREF_EXT_SW_ENABLED),
"Pref should be not locked when MOZ_WEBEXT_WEBIDL_ENABLED is true"
);
} else {
Assert.ok(
Services.prefs.prefIsLocked(PREF_EXT_SW_ENABLED),
"Pref should be locked when MOZ_WEBEXT_WEBIDL_ENABLED is false"
);
Services.prefs.unlockPref(PREF_EXT_SW_ENABLED);
}
// Flip pref and test result.
Services.prefs.setBoolPref(PREF_EXT_SW_ENABLED, true);
Assert.ok(
Services.prefs.getBoolPref(PREF_EXT_SW_ENABLED),
"pref can change after setting it"
);
Assert.equal(
WebExtensionPolicy.backgroundServiceWorkerEnabled,
false,
"backgroundServiceWorkerEnabled is still false despite the pref flip"
);
});
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