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/*
* Helper functions for online/offline events tests.
*
* Any copyright is dedicated to the Public Domain.
*/
/* eslint-disable mozilla/no-comparison-or-assignment-inside-ok */
var gState = 0;
/**
* After all the on/offline handlers run,
* gState is expected to be equal to MAX_STATE.
*/
var MAX_STATE;
function trace(text) {
var t = text.replace(/&/g, "&" + "amp;").replace(/</g, "&" + "lt;") + "<br>";
//document.getElementById("display").innerHTML += t;
}
/**
* 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 expectedStates an array listing the possible values of gState at the
* moment the handler is called. The handler increases
* gState by one before checking if it's listed in
* expectedStates.
*/
function makeHandler(nameTemplate, eventName, expectedStates) {
return function (e) {
var name = nameTemplate.replace(/%1/, eventName);
++gState;
trace(name + ": gState=" + gState);
ok(
expectedStates.includes(gState),
"handlers called in the right order: " +
name +
" is called, " +
"gState=" +
gState +
", expectedStates=" +
expectedStates
);
ok(e.constructor == Event, "event should be an Event");
ok(e.type == eventName, "event type should be " + eventName);
ok(!e.bubbles, "event should not bubble");
ok(!e.cancelable, "event should not be cancelable");
ok(e.target == window, "target should be the window");
};
}
function doTest() {
var iosvc = SpecialPowers.Cc["@mozilla.org/network/io-service;1"].getService(
SpecialPowers.Ci.nsIIOService
);
iosvc.manageOfflineStatus = false;
iosvc.offline = false;
ok(
navigator.onLine,
"navigator.onLine should be true, since we've just " +
"set nsIIOService.offline to false"
);
gState = 0;
trace("setting iosvc.offline = true");
iosvc.offline = true;
trace("done setting iosvc.offline = true");
ok(
!navigator.onLine,
"navigator.onLine should be false when iosvc.offline == true"
);
ok(
gState == window.MAX_STATE,
"offline event: all registered handlers should have been invoked, " +
"actual: " +
gState
);
gState = 0;
trace("setting iosvc.offline = false");
iosvc.offline = false;
trace("done setting iosvc.offline = false");
ok(
navigator.onLine,
"navigator.onLine should be true when iosvc.offline == false"
);
ok(
gState == window.MAX_STATE,
"online event: all registered handlers should have been invoked, " +
"actual: " +
gState
);
}