1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/components/autocomplete/tests/unit/test_393191.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,271 @@
1.4 +/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim:set ts=2 sw=2 sts=2 et: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +/**
1.11 + * Unit test for Bug 393191 - AutoComplete crashes if result is null
1.12 + */
1.13 +
1.14 +
1.15 +
1.16 +/**
1.17 + * Dummy nsIAutoCompleteInput source that returns
1.18 + * the given list of AutoCompleteSearch names.
1.19 + *
1.20 + * Implements only the methods needed for this test.
1.21 + */
1.22 +function AutoCompleteInput(aSearches) {
1.23 + this.searches = aSearches;
1.24 +}
1.25 +AutoCompleteInput.prototype = {
1.26 + constructor: AutoCompleteInput,
1.27 +
1.28 + // Array of AutoCompleteSearch names
1.29 + searches: null,
1.30 +
1.31 + minResultsForPopup: 0,
1.32 + timeout: 10,
1.33 + searchParam: "",
1.34 + textValue: "",
1.35 + disableAutoComplete: false,
1.36 + completeDefaultIndex: false,
1.37 +
1.38 + get searchCount() {
1.39 + return this.searches.length;
1.40 + },
1.41 +
1.42 + getSearchAt: function(aIndex) {
1.43 + return this.searches[aIndex];
1.44 + },
1.45 +
1.46 + onSearchBegin: function() {},
1.47 + onSearchComplete: function() {},
1.48 +
1.49 + popupOpen: false,
1.50 +
1.51 + popup: {
1.52 + setSelectedIndex: function(aIndex) {},
1.53 + invalidate: function() {},
1.54 +
1.55 + // nsISupports implementation
1.56 + QueryInterface: function(iid) {
1.57 + if (iid.equals(Ci.nsISupports) ||
1.58 + iid.equals(Ci.nsIAutoCompletePopup))
1.59 + return this;
1.60 +
1.61 + throw Components.results.NS_ERROR_NO_INTERFACE;
1.62 + }
1.63 + },
1.64 +
1.65 + // nsISupports implementation
1.66 + QueryInterface: function(iid) {
1.67 + if (iid.equals(Ci.nsISupports) ||
1.68 + iid.equals(Ci.nsIAutoCompleteInput))
1.69 + return this;
1.70 +
1.71 + throw Components.results.NS_ERROR_NO_INTERFACE;
1.72 + }
1.73 +}
1.74 +
1.75 +
1.76 +
1.77 +/**
1.78 + * nsIAutoCompleteResult implementation
1.79 + */
1.80 +function AutoCompleteResult(aValues, aComments, aStyles) {
1.81 + this._values = aValues;
1.82 + this._comments = aComments;
1.83 + this._styles = aStyles;
1.84 +
1.85 + if (this._values.length > 0) {
1.86 + this.searchResult = Ci.nsIAutoCompleteResult.RESULT_SUCCESS;
1.87 + } else {
1.88 + this.searchResult = Ci.nsIAutoCompleteResult.NOMATCH;
1.89 + }
1.90 +}
1.91 +AutoCompleteResult.prototype = {
1.92 + constructor: AutoCompleteResult,
1.93 +
1.94 + // Arrays
1.95 + _values: null,
1.96 + _comments: null,
1.97 + _styles: null,
1.98 +
1.99 + searchString: "",
1.100 + searchResult: null,
1.101 +
1.102 + defaultIndex: 0,
1.103 +
1.104 + get matchCount() {
1.105 + return this._values.length;
1.106 + },
1.107 +
1.108 + getValueAt: function(aIndex) {
1.109 + return this._values[aIndex];
1.110 + },
1.111 +
1.112 + getLabelAt: function(aIndex) {
1.113 + return this.getValueAt(aIndex);
1.114 + },
1.115 +
1.116 + getCommentAt: function(aIndex) {
1.117 + return this._comments[aIndex];
1.118 + },
1.119 +
1.120 + getStyleAt: function(aIndex) {
1.121 + return this._styles[aIndex];
1.122 + },
1.123 +
1.124 + getImageAt: function(aIndex) {
1.125 + return "";
1.126 + },
1.127 +
1.128 + getFinalCompleteValueAt: function(aIndex) {
1.129 + return this.getValueAt(aIndex);
1.130 + },
1.131 +
1.132 + removeValueAt: function (aRowIndex, aRemoveFromDb) {},
1.133 +
1.134 + // nsISupports implementation
1.135 + QueryInterface: function(iid) {
1.136 + if (iid.equals(Ci.nsISupports) ||
1.137 + iid.equals(Ci.nsIAutoCompleteResult))
1.138 + return this;
1.139 +
1.140 + throw Components.results.NS_ERROR_NO_INTERFACE;
1.141 + }
1.142 +}
1.143 +
1.144 +
1.145 +
1.146 +/**
1.147 + * nsIAutoCompleteSearch implementation that always returns
1.148 + * the same result set.
1.149 + */
1.150 +function AutoCompleteSearch(aName, aResult) {
1.151 + this.name = aName;
1.152 +}
1.153 +AutoCompleteSearch.prototype = {
1.154 + constructor: AutoCompleteSearch,
1.155 +
1.156 + // Search name. Used by AutoCompleteController
1.157 + name: null,
1.158 +
1.159 + // AutoCompleteResult
1.160 + _result:null,
1.161 +
1.162 +
1.163 + /**
1.164 + * Return the same result set for every search
1.165 + */
1.166 + startSearch: function(aSearchString,
1.167 + aSearchParam,
1.168 + aPreviousResult,
1.169 + aListener)
1.170 + {
1.171 + aListener.onSearchResult(this, this._result);
1.172 + },
1.173 +
1.174 + stopSearch: function() {},
1.175 +
1.176 + // nsISupports implementation
1.177 + QueryInterface: function(iid) {
1.178 + if (iid.equals(Ci.nsISupports) ||
1.179 + iid.equals(Ci.nsIFactory) ||
1.180 + iid.equals(Ci.nsIAutoCompleteSearch))
1.181 + return this;
1.182 +
1.183 + throw Components.results.NS_ERROR_NO_INTERFACE;
1.184 + },
1.185 +
1.186 + // nsIFactory implementation
1.187 + createInstance: function(outer, iid) {
1.188 + return this.QueryInterface(iid);
1.189 + }
1.190 +}
1.191 +
1.192 +
1.193 +
1.194 +/**
1.195 + * Helper to register an AutoCompleteSearch with the given name.
1.196 + * Allows the AutoCompleteController to find the search.
1.197 + */
1.198 +function registerAutoCompleteSearch(aSearch) {
1.199 + var name = "@mozilla.org/autocomplete/search;1?name=" + aSearch.name;
1.200 +
1.201 + var uuidGenerator = Cc["@mozilla.org/uuid-generator;1"].
1.202 + getService(Ci.nsIUUIDGenerator);
1.203 + var cid = uuidGenerator.generateUUID();
1.204 +
1.205 + var desc = "Test AutoCompleteSearch";
1.206 +
1.207 + var componentManager = Components.manager
1.208 + .QueryInterface(Ci.nsIComponentRegistrar);
1.209 + componentManager.registerFactory(cid, desc, name, aSearch);
1.210 +
1.211 + // Keep the id on the object so we can unregister later
1.212 + aSearch.cid = cid;
1.213 +}
1.214 +
1.215 +
1.216 +
1.217 +/**
1.218 + * Helper to unregister an AutoCompleteSearch.
1.219 + */
1.220 +function unregisterAutoCompleteSearch(aSearch) {
1.221 + var componentManager = Components.manager
1.222 + .QueryInterface(Ci.nsIComponentRegistrar);
1.223 + componentManager.unregisterFactory(aSearch.cid, aSearch);
1.224 +}
1.225 +
1.226 +
1.227 +
1.228 +/**
1.229 + * Test AutoComplete with a search that returns a null result
1.230 + */
1.231 +function run_test() {
1.232 +
1.233 + // Make an AutoCompleteSearch that always returns nothing
1.234 + var emptySearch = new AutoCompleteSearch("test-empty-search",
1.235 + new AutoCompleteResult([], [], []));
1.236 +
1.237 + // Register search so AutoCompleteController can find them
1.238 + registerAutoCompleteSearch(emptySearch);
1.239 +
1.240 + var controller = Components.classes["@mozilla.org/autocomplete/controller;1"].
1.241 + getService(Components.interfaces.nsIAutoCompleteController);
1.242 +
1.243 + // Make an AutoCompleteInput that uses our search
1.244 + // and confirms results on search complete
1.245 + var input = new AutoCompleteInput([emptySearch.name]);
1.246 + var numSearchesStarted = 0;
1.247 +
1.248 + input.onSearchBegin = function() {
1.249 + numSearchesStarted++;
1.250 + do_check_eq(numSearchesStarted, 1);
1.251 + };
1.252 +
1.253 + input.onSearchComplete = function() {
1.254 +
1.255 + do_check_eq(numSearchesStarted, 1);
1.256 +
1.257 + do_check_eq(controller.searchStatus,
1.258 + Ci.nsIAutoCompleteController.STATUS_COMPLETE_NO_MATCH);
1.259 + do_check_eq(controller.matchCount, 0);
1.260 +
1.261 + // Unregister searches
1.262 + unregisterAutoCompleteSearch(emptySearch);
1.263 +
1.264 + do_test_finished();
1.265 + };
1.266 +
1.267 + controller.input = input;
1.268 +
1.269 + // Search is asynchronous, so don't let the test finish immediately
1.270 + do_test_pending();
1.271 +
1.272 + controller.startSearch("test");
1.273 +}
1.274 +
