95 lines
3.5 KiB
JavaScript
95 lines
3.5 KiB
JavaScript
/*
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* Helper functions for online/offline events tests.
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*
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* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/licenses/publicdomain/
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*/
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var gState = 0;
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/**
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* After all the on/offline handlers run,
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* gState is expected to be equal to MAX_STATE.
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*/
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var MAX_STATE;
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function trace(text) {
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var t = text.replace(/&/g, "&" + "amp;").replace(/</g, "&" + "lt;") + "<br>";
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//document.getElementById("display").innerHTML += t;
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}
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// window.ononline and window.onclick shouldn't work
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// Right now, <body ononline=...> sets window.ononline (bug 380618)
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// When these start passing, be sure to uncomment the code inside if(0) below.
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todo(typeof window.ononline == "undefined",
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"window.ononline should be undefined at this point");
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todo(typeof window.onoffline == "undefined",
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"window.onoffline should be undefined at this point");
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if (0) {
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window.ononline = function() {
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ok(false, "window.ononline shouldn't be called");
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}
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window.onoffline = function() {
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ok(false, "window.onclick shouldn't be called");
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}
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}
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/**
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* Returns a handler function for an online/offline event. The returned handler
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* ensures the passed event object has expected properties and that the handler
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* is called at the right moment (according to the gState variable).
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* @param nameTemplate The string identifying the hanlder. '%1' in that
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* string will be replaced with the event name.
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* @param eventName 'online' or 'offline'
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* @param expectedStates an array listing the possible values of gState at the
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* moment the handler is called. The handler increases
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* gState by one before checking if it's listed in
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* expectedStates.
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*/
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function makeHandler(nameTemplate, eventName, expectedStates) {
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return function(e) {
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var name = nameTemplate.replace(/%1/, eventName);
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++gState;
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trace(name + ": gState=" + gState);
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ok(expectedStates.indexOf(gState) != -1,
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"handlers called in the right order: " + name + " is called, " +
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"gState=" + gState + ", expectedStates=" + expectedStates);
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ok(e.constructor == Event, "event should be an Event");
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ok(e.type == eventName, "event type should be " + eventName);
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ok(e.bubbles, "event should bubble");
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ok(!e.cancelable, "event should not be cancelable");
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ok(e.target == (document instanceof HTMLDocument
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? document.body : document.documentElement),
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"the event target should be the body element");
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}
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}
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function doTest() {
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var iosvc = SpecialPowers.Cc["@mozilla.org/network/io-service;1"]
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.getService(SpecialPowers.Ci.nsIIOService2);
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iosvc.manageOfflineStatus = false;
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iosvc.offline = false;
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ok(navigator.onLine, "navigator.onLine should be true, since we've just " +
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"set nsIIOService.offline to false");
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gState = 0;
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trace("setting iosvc.offline = true");
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iosvc.offline = true;
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trace("done setting iosvc.offline = true");
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ok(!navigator.onLine,
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"navigator.onLine should be false when iosvc.offline == true");
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ok(gState == window.MAX_STATE,
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"offline event: all registered handlers should have been invoked, " +
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"actual: " + gState);
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gState = 0;
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trace("setting iosvc.offline = false");
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iosvc.offline = false;
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trace("done setting iosvc.offline = false");
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ok(navigator.onLine,
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"navigator.onLine should be true when iosvc.offline == false");
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ok(gState == window.MAX_STATE,
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"online event: all registered handlers should have been invoked, " +
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"actual: " + gState);
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}
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