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translate.spec.js
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translate.spec.js
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/* jshint camelcase: false, quotmark: false, unused: false */
/* global inject: false */
'use strict';
describe('pascalprecht.translate', function () {
// https://github.com/angular-ui/ui-router/issues/2889#issuecomment-273944742
var enableUnhandledRejectionTracing = function (module) {
if (angular.version.minor < 3) {
// will work w/ AngularJS 1.3+
return;
}
/* jshint ignore:start */
// Decorate the $q service when app starts
module.decorator('$q', ["$delegate", function ($delegate) {
// Create a new promise object
var promise = $delegate.when();
// Access the `Promise` prototype (nonstandard, but works in Chrome)
var proto = promise.__proto__;
// Define a setter for `$$state` that creates a stacktrace
// (string) and assigns it as a property of the internal `$$state` object.
Object.defineProperty(proto, '$$state', {
enumerable : true,
set : function (val) {
val.stack = new Error().stack;
this._$$state = val;
},
get : function () {
return this._$$state;
}
});
return $delegate;
}]);
/* jshint ignore:end */
};
beforeEach(module('ngMockE2EAsync'));
var translationMock = {
'EXISTING_TRANSLATION_ID' : 'foo',
'BLANK_VALUE' : '',
'NULL' : null,
'TRANSLATION_ID' : 'Lorem Ipsum {{value}}',
'TRANSLATION_ID_2' : 'Lorem Ipsum {{value}} + {{value}}',
'TRANSLATION_ID_3' : 'Lorem Ipsum {{value + value}}',
'DOCUMENT' : {
'HEADER' : {
'TITLE' : 'Header'
},
'SUBHEADER' : {
'TITLE' : '2. Header'
}
}
};
describe('$translate', function () {
beforeEach(module('pascalprecht.translate', function ($translateProvider) {
$translateProvider
.registerAvailableLanguageKeys(['en', 'en_EN', 'de', 'de_DE'], {
'en_US' : 'en_EN'
})
.translations('en', translationMock)
.translations('en', {
'FOO' : 'bar',
'BAR' : 'foo',
'NULL' : null,
})
.translations('de', {
'FOO' : 'faa'
})
.preferredLanguage('en');
}));
var $translate, $STORAGE_KEY, $q, $rootScope;
beforeEach(inject(function (_$translate_, _$STORAGE_KEY_, _$q_, _$rootScope_) {
$translate = _$translate_;
$STORAGE_KEY = _$STORAGE_KEY_;
$q = _$q_;
$rootScope = _$rootScope_;
}));
it('should be defined', function () {
expect($translate).toBeDefined();
});
it('should be a function object', function () {
expect(typeof $translate).toBe("function");
});
it('should have a method use()', function () {
expect($translate.use).toBeDefined();
});
it('should have a method preferredLanguage()', function () {
expect($translate.preferredLanguage).toBeDefined();
});
it('should have a method fallbackLanguage()', function () {
expect($translate.fallbackLanguage).toBeDefined();
});
it('should have a method storageKey()', function () {
expect($translate.storageKey).toBeDefined();
});
it('should have a method refresh()', function () {
expect($translate.refresh).toBeDefined();
});
it('should have a method instant()', function () {
expect($translate.instant).toBeDefined();
});
it('should have a method negotiateLocale()', function () {
expect($translate.negotiateLocale).toBeDefined();
});
it('should have a method isForceAsyncReloadEnabled()', function () {
expect($translate.isForceAsyncReloadEnabled).toBeDefined();
});
it('should have a method getTranslationTable()', function () {
expect($translate.getTranslationTable).toBeDefined();
});
it('should not try to load a language which has not been registered yet', function () {
// ensure initial language is en (preferred one)
expect($translate.use()).toBe('en');
var result = {
successHandler : false,
failureHandler : false
};
$translate.use('it').then(function (lang) {
result.successHandler = true;
}, function (lang) {
result.failureHandler = true;
});
$rootScope.$digest();
// ensure initial language is still en (preferred one)
expect($translate.use()).toBe('en');
// ensure result handlers has been called correctly
expect(result.successHandler).toBe(false);
expect(result.failureHandler).toBe(true);
});
describe('$translate#isForceAsyncReloadEnabled()', function () {
it('should be a function', function () {
expect(typeof $translate.isForceAsyncReloadEnabled).toBe('function');
});
it('should return false by default', function () {
expect($translate.isForceAsyncReloadEnabled()).toBe(false);
});
});
describe('$translate#preferredLanguage()', function () {
it('should be a function', function () {
expect(typeof $translate.preferredLanguage).toBe('function');
});
});
describe('$translate#fallbackLanguage()', function () {
it('should be a function', function () {
expect(typeof $translate.fallbackLanguage).toBe('function');
});
it('should return undefined if no language is specified', function () {
expect($translate.fallbackLanguage()).toBeUndefined();
});
});
describe('$translate#storageKey()', function () {
it('should be a function', function () {
expect(typeof $translate.storageKey).toBe('function');
});
it('should return a string', function () {
expect(typeof $translate.storageKey()).toBe('string');
});
it('should be equal to $STORAGE_KEY by default', function () {
expect($translate.storageKey()).toEqual($STORAGE_KEY);
});
});
describe('$translate#allowNamespaces()', function () {
it('should be a function', function () {
expect(typeof $translate.allowNamespaces).toBe('function');
});
it('should return \'true\' if no value is specified', function () {
expect($translate.allowNamespaces()).toEqual(true);
});
});
describe('$translate#nestedObjectDelimeter()', function () {
it('should be a function', function () {
expect(typeof $translate.nestedObjectDelimeter).toBe('function');
});
it('should return \'.\' if no delimiter is specified', function () {
expect($translate.nestedObjectDelimeter()).toEqual('.');
});
});
describe('$translate#negotiateLocale()', function () {
it('should return undefined if no key is specified', function () {
expect($translate.negotiateLocale()).toEqual(undefined);
});
it('should return language key if registered', function () {
expect($translate.negotiateLocale('en')).toEqual('en');
});
it('should return resolved alias', function () {
expect($translate.negotiateLocale('en_US')).toEqual('en_EN');
});
it('should return matching registered language if lang_REGION doesn\'t match', function () {
expect($translate.negotiateLocale('en_GB')).toEqual('en');
});
it('should return undefined if key doesn\'t resolve to an alias or registered language', function () {
expect($translate.negotiateLocale('foo')).toEqual(undefined);
});
});
it('should return a promise', function () {
expect($translate('FOO').then).toBeDefined();
expect(typeof $translate('FOO').then).toEqual('function');
});
it('should return translation id if translation doesn\'t exist', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
var translationId = 'NOT_EXISTING_TRANSLATION_ID';
$translate(translationId).then(null, function (translation) {
deferred.resolve(translation);
});
$rootScope.$digest();
expect(value).toEqual(translationId);
});
it('should throw if id is not a string or array of strings', function () {
expect(function () { $translate(undefined); }).toThrowError(TypeError);
});
it('should return translation id if translation is null', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$translate('NULL').then(null, function (translations) {
deferred.resolve(translations);
});
$rootScope.$digest();
expect(value).toEqual('NULL');
});
it('should return translation if translation id if exists', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$q.all([
$translate("EXISTING_TRANSLATION_ID"),
$translate("BLANK_VALUE")
]).then(function (translations) {
deferred.resolve(translations);
});
$rootScope.$digest();
expect(value[0]).toEqual('foo');
expect(value[1]).toEqual('');
});
it('should return translation if translation id exists and return a default value if not existing', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$q.all([
$translate("EXISTING_TRANSLATION_ID"),
$translate("NON_EXISTING_KEY", undefined, undefined, "Default Translation")
]).then(function (translations) {
deferred.resolve(translations);
});
$rootScope.$digest();
expect(value[0]).toEqual('foo');
expect(value[1]).toEqual('Default Translation');
});
it('should return translations of multiple translation ids if exists', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$translate(["EXISTING_TRANSLATION_ID", "BLANK_VALUE"]).then(function (translations) {
deferred.resolve(translations);
});
$rootScope.$digest();
expect(value.EXISTING_TRANSLATION_ID).toEqual('foo');
expect(value.BLANK_VALUE).toEqual('');
});
it('should return translation, if translation id exists with whitespace', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$q.all([
$translate("EXISTING_TRANSLATION_ID\t \n"),
$translate("\t \nEXISTING_TRANSLATION_ID"),
$translate("BLANK_VALUE\t \n"),
$translate("\t \nBLANK_VALUE")
]).then(function (translations) {
deferred.resolve(translations);
});
$rootScope.$digest();
expect(value[0]).toEqual('foo');
expect(value[1]).toEqual('foo');
expect(value[2]).toEqual('');
expect(value[3]).toEqual('');
});
it('should use $interpolate service', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$q.all([
$translate('TRANSLATION_ID'),
$translate('TRANSLATION_ID', {value : 'foo'}),
$translate('TRANSLATION_ID_2', {value : 'foo'}),
$translate('TRANSLATION_ID_3', {value : 'foo'}),
$translate('TRANSLATION_ID_3', {value : '3'}),
$translate('TRANSLATION_ID_3', {value : 3})
]).then(function (translations) {
deferred.resolve(translations);
});
$rootScope.$digest();
expect(value[0]).toEqual('Lorem Ipsum ');
expect(value[1]).toEqual('Lorem Ipsum foo');
expect(value[2]).toEqual('Lorem Ipsum foo + foo');
expect(value[3]).toEqual('Lorem Ipsum foofoo');
expect(value[4]).toEqual('Lorem Ipsum 33');
expect(value[5]).toEqual('Lorem Ipsum 6');
});
it('should extend translation table rather then overwriting it', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$q.all([
$translate("FOO"),
$translate("BAR")
]).then(function (translations) {
deferred.resolve(translations);
});
$rootScope.$digest();
expect(value[0]).toEqual('bar');
expect(value[1]).toEqual('foo');
});
it('should support namespaces in translation ids', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$q.all([
$translate("DOCUMENT.HEADER.TITLE"),
$translate("DOCUMENT.SUBHEADER.TITLE")
]).then(function (translations) {
deferred.resolve(translations);
});
$rootScope.$digest();
expect(value[0]).toEqual('Header');
expect(value[1]).toEqual('2. Header');
});
it('should use forceLanguage', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$q.all([
$translate("FOO"),
$translate("FOO", null, null, null, 'de')
]).then(function (translations) {
deferred.resolve(translations);
});
$rootScope.$digest();
expect(value[0]).toEqual('bar');
expect(value[1]).toEqual('faa');
});
it('should use forceLanguage with multiple translation ids', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$translate(["FOO"], null, null, null, 'de').then(deferred.resolve);
$rootScope.$digest();
expect(value.FOO).toEqual('faa');
});
});
describe('$translate#allowNamespaces()', function () {
beforeEach(module('pascalprecht.translate', function ($translateProvider) {
$translateProvider.allowNamespaces(false);
}));
var $translate;
beforeEach(inject(function (_$translate_) {
$translate = _$translate_;
}));
it('should return \'false\' if namespaces were disabled', function () {
expect($translate.allowNamespaces()).toEqual(false);
});
});
describe('$translate#nestedObjectDelimeter()', function () {
beforeEach(module('pascalprecht.translate', function ($translateProvider) {
$translateProvider.nestedObjectDelimeter('_');
}));
var $translate;
beforeEach(inject(function (_$translate_) {
$translate = _$translate_;
}));
it('should return \'_\' if such delimiter is specified', function () {
expect($translate.nestedObjectDelimeter()).toEqual('_');
});
});
describe('$translate#use()', function () {
beforeEach(module('pascalprecht.translate', function ($translateProvider) {
$translateProvider
.translations('de_DE', translationMock)
.translations('de_DE', {'YET_ANOTHER' : 'Hallo da!'})
.translations('en_EN', {'YET_ANOTHER' : 'Hello there!'})
.preferredLanguage('de_DE');
}));
var $translate, $rootScope, $STORAGE_KEY, $q;
beforeEach(inject(function (_$translate_, _$rootScope_, _$STORAGE_KEY_, _$q_) {
$translate = _$translate_;
$rootScope = _$rootScope_;
$STORAGE_KEY = _$STORAGE_KEY_;
$q = _$q_;
}));
it('should be a function', function () {
expect(typeof $translate.use).toBe('function');
});
it('should return a string', function () {
expect(typeof $translate.use()).toBe('string');
});
it('should return language key', function () {
expect($translate.use()).toEqual('de_DE');
});
it('should change language at runtime', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$translate.use('en_EN');
$translate('YET_ANOTHER').then(function (translation) {
deferred.resolve(translation);
});
$rootScope.$digest();
expect(value).toEqual('Hello there!');
});
it('should be overriden by forceLanguage', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$translate.use('en_EN');
$translate('YET_ANOTHER', null, null, null, 'de_DE').then(function (translation) {
deferred.resolve(translation);
});
$rootScope.$digest();
expect(value).toEqual('Hallo da!');
});
});
describe('$translate#use() with aliases', function () {
beforeEach(module('pascalprecht.translate', function ($translateProvider) {
$translateProvider
.translations('en', {'YET_ANOTHER' : 'Hello there!'})
.translations('tr_TR', {'YET_ANOTHER' : 'Selam millet! (tr_TR)'})
.translations('tr', {'YET_ANOTHER' : 'Selam millet! (tr)'})
.registerAvailableLanguageKeys(['en', 'tr', 'tr_TR'], {
'en_EN' : 'en',
'en_US' : 'en',
'en_GB' : 'en',
'tr_*' : 'tr'
})
.preferredLanguage('en_EN');
}));
var $translate, $rootScope, $STORAGE_KEY, $q;
beforeEach(inject(function (_$translate_, _$rootScope_, _$STORAGE_KEY_, _$q_) {
$translate = _$translate_;
$rootScope = _$rootScope_;
$STORAGE_KEY = _$STORAGE_KEY_;
$q = _$q_;
}));
it('should respect the language aliases', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$translate.use('en_GB');
expect($translate.use()).toEqual('en');
$translate('YET_ANOTHER').then(function (translation) {
deferred.resolve(translation);
});
$rootScope.$digest();
expect(value).toEqual('Hello there!');
});
it('should load the language with the exact match first even if a wildcard is used', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$translate.use('tr_TR');
expect($translate.use()).toEqual('tr_TR');
$translate('YET_ANOTHER').then(function (translation) {
deferred.resolve(translation);
});
$rootScope.$digest();
expect(value).toEqual('Selam millet! (tr_TR)');
});
it('should load the correct language if a wildcard is used', function () {
var deferred = $q.defer(),
promise = deferred.promise,
value;
promise.then(function (translation) {
value = translation;
});
$translate.use('tr_TURKISH'); // Silly language name
expect($translate.use()).toEqual('tr');
$translate('YET_ANOTHER').then(function (translation) {
deferred.resolve(translation);
});
$rootScope.$digest();
expect(value).toEqual('Selam millet! (tr)');
});
});
// Spec for edge case: while preferred language is still loading,
// another language will be requested and
// is returning before the preferred one
// t0 ~ 0.0s (request ab_CD)
// t1 ~ 0.5s (request en_US)
// t2 ~ 1.5s (response en_US)
// t3 ~ 2.0s (response ab_CD)
describe('$translate#use() with async loading and two unordered requests in parallel (1st win)', function () {
var fastButRequestedSecond = 'en_US',
slowButRequestedFirst = 'ab_CD',
expectedTranslation = 'Hello World',
notExpectedTranslation = 'foo bar bork bork bork',
fastRequestTime = 1000,
firstLanguageResponded = false,
secondLanguageResponded = false;
beforeEach(module('pascalprecht.translate', function ($translateProvider, $provide) {
enableUnhandledRejectionTracing($provide);
$translateProvider.useLoader('customLoader');
$translateProvider.preferredLanguage(slowButRequestedFirst);
$provide.service('customLoader', function ($q, $timeout) {
return function (options) {
var deferred = $q.defer();
var locale = options.key;
if (locale === fastButRequestedSecond) {
$timeout(function () {
secondLanguageResponded = true;
// t2
deferred.resolve({
greeting : expectedTranslation
});
}, fastRequestTime);
}
if (locale === slowButRequestedFirst) {
$timeout(function () {
firstLanguageResponded = true;
// t3
deferred.resolve({
greeting : notExpectedTranslation
});
}, fastRequestTime * 2);
}
return deferred.promise;
};
});
}));
var $translate;
beforeEach(inject(function ($timeout, _$translate_, $rootScope) {
$translate = _$translate_;
// t0 already happened
$timeout(function () {
// t1
$translate.use(fastButRequestedSecond);
}, fastRequestTime / 2);
// t2
$timeout.flush(10000);
$rootScope.$digest();
// t3
$timeout.flush(10000);
}));
it('should be requested the first language', function () {
expect(firstLanguageResponded).toEqual(true);
});
it('should be requested the second language', function () {
expect(secondLanguageResponded).toEqual(true);
});
it('should set the language to be the most recently requested one, not the most recently responded one', inject(function ($rootScope, $q) {
var value;
$translate('greeting').then(function (translation) {
value = translation;
});
$rootScope.$digest();
expect(value).toEqual(expectedTranslation);
}));
});
// Spec for edge case: while preferred language is still loading,
// another language will be requested and
// is returning after the preferred one
// t0 ~ 0.0s (request ab_CD)
// t1 ~ 0.5s (request en_US)
// t2 ~ 2.0s (response ab_CD)
// t3 ~ 3.0s (response en_US)
describe('$translate#use() with async loading and two unordered requests in parallel (2nd win)', function () {
var requestedSecond = 'en_US',
requestedFirst = 'ab_CD',
notExpectedTranslation = 'Hello World',
expectedTranslation = 'foo bar bork bork bork',
fastRequestTime = 1000,
firstLanguageResponded = false,
secondLanguageResponded = false;
beforeEach(module('pascalprecht.translate', function ($translateProvider, $provide) {
enableUnhandledRejectionTracing($provide);
$translateProvider.useLoader('customLoader');
$translateProvider.preferredLanguage(requestedFirst);
$provide.service('customLoader', function ($q, $timeout) {
return function (options) {
var deferred = $q.defer();
var locale = options.key;
if (locale === requestedSecond) {
$timeout(function () {
secondLanguageResponded = true;
// t3
deferred.resolve({
greeting : expectedTranslation
});
}, fastRequestTime * 3);
}
if (locale === requestedFirst) {
$timeout(function () {
firstLanguageResponded = true;
// t2
deferred.resolve({
greeting : notExpectedTranslation
});
}, fastRequestTime * 2);
}
return deferred.promise;
};
});
}));
var $translate;
beforeEach(inject(function ($timeout, _$translate_, $rootScope) {
$translate = _$translate_;
// t0 already happened
$timeout(function () {
// t1
$translate.use(requestedSecond);
}, fastRequestTime / 2);
// t2
$timeout.flush();
$rootScope.$digest();
// t3
$timeout.flush();
}));
it('should be requested the first language', function () {
expect(firstLanguageResponded).toEqual(true);
});
it('should be requested the second language', function () {
expect(secondLanguageResponded).toEqual(true);
});
it('should set the language to be the most recently requested one, not the most recently responded one', inject(function ($rootScope, $q) {
var value;
$translate('greeting').then(function (translation) {
value = translation;
});
$rootScope.$digest();
expect(value).toEqual(expectedTranslation);
}));
});
// Spec for edge case: while preferred language is still loading,
// another language will be requested and
// is returning before the preferred one
// t0 ~ 0.0s (request ab_CD)
// t1 ~ 0.5s (request en_US)
// t2 ~ 1.5s (response en_US)
// t3 ~ 2.0s (response ab_CD)
describe('$translate#use() with async loading and two unordered requests aborting the previous', function () {
var fastButRequestedSecond = 'en_US',
slowButRequestedFirst = 'ab_CD',
expectedTranslation = 'Hello World',
notExpectedTranslation = 'foo bar bork bork bork',
fastRequestTime = 1000,
firstLanguageResponded = false,
secondLanguageResponded = false;
beforeEach(module('pascalprecht.translate', function ($translateProvider, $provide) {
enableUnhandledRejectionTracing($provide);
$translateProvider.useStaticFilesLoader({
prefix : 'foo/bar/',
suffix : '.json'
});
}));
var $translate;
beforeEach(inject(function ($timeout, _$translate_, $rootScope, $httpBackend, $q) {
$translate = _$translate_;
var firstDeferred = $q.defer();
$httpBackend.whenAsync('GET', 'foo/bar/ab_CD.json').respond(firstDeferred.promise);
$timeout(function () {
firstLanguageResponded = true;
// t1
firstDeferred.resolve([200, {
greeting : notExpectedTranslation
}]);
}, fastRequestTime * 2);
var secondDeferred = $q.defer();
$httpBackend.whenAsync('GET', 'foo/bar/en_US.json').respond(secondDeferred.promise);
$timeout(function () {
secondLanguageResponded = true;
// t2
secondDeferred.resolve([200, {
greeting : expectedTranslation
}]);
}, fastRequestTime);
$timeout(function () {
// t0
$translate.use(slowButRequestedFirst);
});
$timeout(function () {
// t1
$translate.use(fastButRequestedSecond);
});
// t2
$timeout.flush(fastRequestTime);
// t3
$timeout.flush(fastRequestTime);
}));
it('should be requested the first language', function () {
expect(firstLanguageResponded).toEqual(true);
});
it('should be requested the second language', function () {
expect(secondLanguageResponded).toEqual(true);
});
it('should set the language to be the most recently requested one, not the most recently responded one', inject(function ($rootScope, $q) {
var value;
$translate('greeting').then(function (translation) {
value = translation;
});
$rootScope.$digest();
expect(value).toEqual(expectedTranslation);
}));
});
// Spec for edge case: while preferred language is still loading,
// another language will be requested as fallback
// and is returning before the preferred one
// t0 ~ 0.0s (request ab_CD)
// t1 ~ 0.5s (request en_US)
// t2 ~ 1.5s (response en_US)
// t3 ~ 2.0s (response ab_CD)
describe('$translate#use() with async loading and two unordered requests in parallel (+fallback)', function () {
var fastButRequestedSecond = 'en_US',
slowButRequestedFirst = 'ab_CD',
expectedTranslation = 'Hello World',
notExpectedTranslation = 'foo bar bork bork bork',
fastRequestTime = 1000,
firstLanguageResponded = false,
secondLanguageResponded = false;
beforeEach(module('pascalprecht.translate', function ($translateProvider, $provide) {
enableUnhandledRejectionTracing($provide);
$translateProvider.useLoader('customLoader');
$translateProvider.preferredLanguage(slowButRequestedFirst);
$translateProvider.fallbackLanguage(fastButRequestedSecond);
$provide.service('customLoader', function ($q, $timeout) {
return function (options) {
var deferred = $q.defer();
var locale = options.key;
if (locale === fastButRequestedSecond) {
$timeout(function () {
secondLanguageResponded = true;
deferred.resolve({
greeting : expectedTranslation
});
}, fastRequestTime);
}
if (locale === slowButRequestedFirst) {
$timeout(function () {
firstLanguageResponded = true;
deferred.resolve({
greeting : notExpectedTranslation
});
}, fastRequestTime * 2);