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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Unit test for Bug 393191 - AutoComplete crashes if result is null
*/
/**
* Dummy nsIAutoCompleteInput source that returns
* the given list of AutoCompleteSearch names.
*
* Implements only the methods needed for this test.
*/
function AutoCompleteInput(aSearches) {
this.searches = aSearches;
}
AutoCompleteInput.prototype = {
constructor: AutoCompleteInput,
// Array of AutoCompleteSearch names
searches: null,
minResultsForPopup: 0,
timeout: 10,
searchParam: "",
textValue: "",
disableAutoComplete: false,
completeDefaultIndex: false,
get searchCount() {
return this.searches.length;
},
getSearchAt(aIndex) {
return this.searches[aIndex];
},
onSearchBegin() {},
onSearchComplete() {},
popupOpen: false,
popup: {
setSelectedIndex(aIndex) {},
invalidate() {},
// nsISupports implementation
QueryInterface: ChromeUtils.generateQI(["nsIAutoCompletePopup"]),
},
// nsISupports implementation
QueryInterface: ChromeUtils.generateQI(["nsIAutoCompleteInput"]),
};
/**
* nsIAutoCompleteResult implementation
*/
function AutoCompleteResult(aValues, aComments, aStyles) {
this._values = aValues;
this._comments = aComments;
this._styles = aStyles;
this.searchResult = this._values.length
? Ci.nsIAutoCompleteResult.RESULT_SUCCESS
: Ci.nsIAutoCompleteResult.RESULT_NOMATCH;
}
AutoCompleteResult.prototype = {
constructor: AutoCompleteResult,
// Arrays
_values: null,
_comments: null,
_styles: null,
searchString: "",
searchResult: null,
defaultIndex: 0,
get matchCount() {
return this._values.length;
},
getValueAt(aIndex) {
return this._values[aIndex];
},
getLabelAt(aIndex) {
return this.getValueAt(aIndex);
},
getCommentAt(aIndex) {
return this._comments[aIndex];
},
getStyleAt(aIndex) {
return this._styles[aIndex];
},
getImageAt(aIndex) {
return "";
},
getFinalCompleteValueAt(aIndex) {
return this.getValueAt(aIndex);
},
isRemovableAt(aRowIndex) {
return true;
},
removeValueAt(aRowIndex) {},
// nsISupports implementation
QueryInterface: ChromeUtils.generateQI(["nsIAutoCompleteResult"]),
};
/**
* nsIAutoCompleteSearch implementation that always returns
* the same result set.
*/
function AutoCompleteSearch(aName, aResult) {
this.name = aName;
this._result = aResult;
}
AutoCompleteSearch.prototype = {
constructor: AutoCompleteSearch,
// Search name. Used by AutoCompleteController
name: null,
// AutoCompleteResult
_result: null,
/**
* Return the same result set for every search
*/
startSearch(aSearchString, aSearchParam, aPreviousResult, aListener) {
aListener.onSearchResult(this, this._result);
},
stopSearch() {},
// nsISupports implementation
QueryInterface: ChromeUtils.generateQI([
"nsIFactory",
"nsIAutoCompleteSearch",
]),
// nsIFactory implementation
createInstance(iid) {
return this.QueryInterface(iid);
},
};
/**
* Helper to register an AutoCompleteSearch with the given name.
* Allows the AutoCompleteController to find the search.
*/
function registerAutoCompleteSearch(aSearch) {
var name = "@mozilla.org/autocomplete/search;1?name=" + aSearch.name;
var uuidGenerator = Services.uuid;
var cid = uuidGenerator.generateUUID();
var desc = "Test AutoCompleteSearch";
var componentManager = Components.manager.QueryInterface(
Ci.nsIComponentRegistrar
);
componentManager.registerFactory(cid, desc, name, aSearch);
// Keep the id on the object so we can unregister later
aSearch.cid = cid;
}
/**
* Helper to unregister an AutoCompleteSearch.
*/
function unregisterAutoCompleteSearch(aSearch) {
var componentManager = Components.manager.QueryInterface(
Ci.nsIComponentRegistrar
);
componentManager.unregisterFactory(aSearch.cid, aSearch);
}
/**
* Test AutoComplete with a search that returns a null result
*/
function run_test() {
// Make an AutoCompleteSearch that always returns nothing
var emptySearch = new AutoCompleteSearch(
"test-empty-search",
new AutoCompleteResult([], [], [])
);
// Register search so AutoCompleteController can find them
registerAutoCompleteSearch(emptySearch);
var controller = Cc["@mozilla.org/autocomplete/controller;1"].getService(
Ci.nsIAutoCompleteController
);
// Make an AutoCompleteInput that uses our search
// and confirms results on search complete
var input = new AutoCompleteInput([emptySearch.name]);
var numSearchesStarted = 0;
input.onSearchBegin = function () {
numSearchesStarted++;
Assert.equal(numSearchesStarted, 1);
};
input.onSearchComplete = function () {
Assert.equal(numSearchesStarted, 1);
Assert.equal(
controller.searchStatus,
Ci.nsIAutoCompleteController.STATUS_COMPLETE_NO_MATCH
);
Assert.equal(controller.matchCount, 0);
// Unregister searches
unregisterAutoCompleteSearch(emptySearch);
do_test_finished();
};
controller.input = input;
// Search is asynchronous, so don't let the test finish immediately
do_test_pending();
controller.startSearch("test");
}
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