gnome-shell/tests/unit/signalTracker.js

115 lines
2.6 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
// Test cases for version comparison
import '../../js/ui/environment.js';
import GObject from 'gi://GObject';
const JsUnit = imports.jsUnit;
import * as Signals from '../../js/misc/signals.js';
import {TransientSignalHolder, registerDestroyableType} from '../../js/misc/signalTracker.js';
const Destroyable = GObject.registerClass({
Signals: {'destroy': {}},
}, class Destroyable extends GObject.Object {});
registerDestroyableType(Destroyable);
const GObjectEmitter = GObject.registerClass({
Signals: {'signal': {}},
}, class GObjectEmitter extends Destroyable {});
const emitter1 = new Signals.EventEmitter();
const emitter2 = new GObjectEmitter();
const tracked1 = new Destroyable();
const tracked2 = {};
let transientHolder;
let count = 0;
const handler = () => count++;
emitter1.connectObject('signal', handler, tracked1);
emitter2.connectObject('signal', handler, tracked1);
emitter1.connectObject('signal', handler, tracked2);
emitter2.connectObject('signal', handler, tracked2);
JsUnit.assertEquals(count, 0);
emitter1.emit('signal');
emitter2.emit('signal');
JsUnit.assertEquals(count, 4);
tracked1.emit('destroy');
emitter1.emit('signal');
emitter2.emit('signal');
JsUnit.assertEquals(count, 6);
emitter1.disconnectObject(tracked2);
emitter2.emit('destroy');
emitter1.emit('signal');
emitter2.emit('signal');
JsUnit.assertEquals(count, 6);
emitter1.connectObject(
'signal', handler,
'signal', handler, GObject.ConnectFlags.AFTER,
tracked1);
emitter2.connectObject(
'signal', handler,
'signal', handler, GObject.ConnectFlags.AFTER,
tracked1);
emitter1.emit('signal');
emitter2.emit('signal');
JsUnit.assertEquals(count, 10);
tracked1.emit('destroy');
emitter1.emit('signal');
emitter2.emit('signal');
JsUnit.assertEquals(count, 10);
emitter1.connectObject('signal', handler, tracked1);
emitter2.connectObject('signal', handler, tracked1);
transientHolder = new TransientSignalHolder(tracked1);
emitter1.connectObject('signal', handler, transientHolder);
emitter2.connectObject('signal', handler, transientHolder);
emitter1.emit('signal');
emitter2.emit('signal');
JsUnit.assertEquals(count, 14);
transientHolder.destroy();
emitter1.emit('signal');
emitter2.emit('signal');
JsUnit.assertEquals(count, 16);
transientHolder = new TransientSignalHolder(tracked1);
emitter1.connectObject('signal', handler, transientHolder);
emitter2.connectObject('signal', handler, transientHolder);
emitter1.emit('signal');
emitter2.emit('signal');
JsUnit.assertEquals(count, 20);
tracked1.emit('destroy');
emitter1.emit('signal');
emitter2.emit('signal');
JsUnit.assertEquals(count, 20);