gecko-dev/dom/workers/test/onLine_worker_child.js

76 lines
2.4 KiB
JavaScript

/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
*/
/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
*/
function info(text) {
dump("Test for Bug 925437: worker: " + text + "\n");
}
function ok(test, message) {
postMessage({ type: 'ok', test: test, message: message });
}
/**
* Returns a handler function for an online/offline event. The returned handler
* ensures the passed event object has expected properties and that the handler
* is called at the right moment (according to the gState variable).
* @param nameTemplate The string identifying the hanlder. '%1' in that
* string will be replaced with the event name.
* @param eventName 'online' or 'offline'
* @param expectedState value of gState at the moment the handler is called.
* The handler increases gState by one before checking
* if it matches expectedState.
*/
function makeHandler(nameTemplate, eventName, expectedState, prefix, custom) {
prefix += ": ";
return function(e) {
var name = nameTemplate.replace(/%1/, eventName);
ok(e.constructor == Event, prefix + "event should be an Event");
ok(e.type == eventName, prefix + "event type should be " + eventName);
ok(!e.bubbles, prefix + "event should not bubble");
ok(!e.cancelable, prefix + "event should not be cancelable");
ok(e.target == self, prefix + "the event target should be the worker scope");
ok(eventName == 'online' ? navigator.onLine : !navigator.onLine, prefix + "navigator.onLine " + navigator.onLine + " should reflect event " + eventName);
if (custom) {
custom();
}
}
}
var lastTest = false;
function lastTestTest() {
if (lastTest) {
postMessage({ type: 'finished' });
close();
}
}
for (var event of ["online", "offline"]) {
addEventListener(event,
makeHandler(
"addEventListener('%1', ..., false)",
event, 1, "Child Worker", lastTestTest
),
false);
}
onmessage = function(e) {
if (e.data.type === 'lastTest') {
lastTest = true;
} else if (e.data.type === 'navigatorState') {
ok(e.data.state === navigator.onLine, "Child and parent navigator state should match");
}
}
postMessage({ type: 'ready' });