Andreas Hocevar
131 lines
4.1 KiB
JavaScript
131 lines
4.1 KiB
JavaScript
// Copyright 2008 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.locale.timeZoneDetectionTest');
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goog.setTestOnly('goog.locale.timeZoneDetectionTest');
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goog.require('goog.locale.timeZoneDetection');
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goog.require('goog.testing.jsunit');
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/**
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* Mock date class with simplified properties of Date class for testing.
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* @constructor
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*/
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function MockDate() {
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/**
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* Time zone offset. For time zones with daylight saving, the different
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* offsets are represented as array of offsets.
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* @type {Array<number>}
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* @private
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*/
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this.timezoneOffset_ = [];
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/**
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* Counter storing the index of next offset value to be returned from the
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* array of offset values.
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* @type {number}
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* @private
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*/
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this.offsetArrayCounter_ = 0;
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}
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/**
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* Does nothing because setting the time to calculate offset is not needed
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* in the mock class.
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* @param {number} ms Ignored.
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*/
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MockDate.prototype.setTime = function(ms) {
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// Do nothing.
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};
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/**
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* Sets the time zone offset.
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* @param {Array<number>} offset Time zone offset.
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*/
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MockDate.prototype.setTimezoneOffset = function(offset) {
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this.timezoneOffset_ = offset;
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};
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/**
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* Returns consecutive offsets from array of time zone offsets on each call.
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* @return {number} Time zone offset.
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*/
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MockDate.prototype.getTimezoneOffset = function() {
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return this.timezoneOffset_.length > 1 ?
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this.timezoneOffset_[this.offsetArrayCounter_++] :
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this.timezoneOffset_[0];
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};
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function testGetFingerprint() {
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var mockDate = new MockDate();
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mockDate.setTimezoneOffset([-480]);
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var fingerprint = goog.locale.timeZoneDetection.getFingerprint(mockDate);
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assertEquals(32, fingerprint);
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mockDate = new MockDate();
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mockDate.setTimezoneOffset(
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[480, 420, 420, 480, 480, 420, 420, 420, 420, 420, 420, 420, 420]);
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fingerprint = goog.locale.timeZoneDetection.getFingerprint(mockDate);
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assertEquals(1294772902, fingerprint);
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}
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function testDetectTimeZone() {
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var mockDate = new MockDate();
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mockDate.setTimezoneOffset([-480]);
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var timeZoneId =
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goog.locale.timeZoneDetection.detectTimeZone(undefined, mockDate);
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assertEquals('Asia/Hong_Kong', timeZoneId);
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mockDate = new MockDate();
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mockDate.setTimezoneOffset(
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[480, 420, 420, 480, 480, 420, 420, 420, 420, 420, 420, 420, 420]);
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timeZoneId = goog.locale.timeZoneDetection.detectTimeZone('US', mockDate);
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assertEquals('America/Los_Angeles', timeZoneId);
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mockDate = new MockDate();
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mockDate.setTimezoneOffset(
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[480, 420, 420, 480, 480, 420, 420, 420, 420, 420, 420, 420, 420]);
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timeZoneId = goog.locale.timeZoneDetection.detectTimeZone('CA', mockDate);
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assertEquals('America/Dawson', timeZoneId);
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}
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function testGetTimeZoneList() {
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var mockDate = new MockDate();
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mockDate.setTimezoneOffset(
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[480, 420, 420, 480, 480, 420, 420, 420, 420, 420, 420, 420, 420]);
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var timeZoneList =
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goog.locale.timeZoneDetection.getTimeZoneList(undefined, mockDate);
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assertEquals('America/Los_Angeles', timeZoneList[0]);
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assertEquals('America/Whitehorse', timeZoneList[4]);
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assertEquals(5, timeZoneList.length);
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mockDate = new MockDate();
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mockDate.setTimezoneOffset([-480]);
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timeZoneList =
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goog.locale.timeZoneDetection.getTimeZoneList(undefined, mockDate);
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assertEquals('Asia/Hong_Kong', timeZoneList[0]);
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assertEquals('Asia/Chongqing', timeZoneList[7]);
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assertEquals(16, timeZoneList.length);
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timeZoneList =
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goog.locale.timeZoneDetection.getTimeZoneList('AU', mockDate);
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assertEquals(1, timeZoneList.length);
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assertEquals('Australia/Perth', timeZoneList[0]);
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}
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