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<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.locale.timeZoneDetection</title>
<script src='../base.js'>
</script>
<script>
goog.require('goog.locale.TimeZoneFingerprint');
goog.require('goog.locale.timeZoneDetection');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
/**
* Mock date class with simplified properties of Date class for testing.
* @constructor
*/
function MockDate() {
/**
* Time zone offset. For time zones with daylight saving, the different
* offsets are represented as array of offsets.
* @type {Array.<number>}
* @private
*/
this.timezoneOffset_ = [];
/**
* Counter storing the index of next offset value to be returned from the
* array of offset values.
* @type {number}
* @private
*/
this.offsetArrayCounter_ = 0;
}
/**
* Does nothing because setting the time to calculate offset is not needed
* in the mock class.
* @param {number} ms Ignored.
*/
MockDate.prototype.setTime = function(ms) {
// Do nothing.
};
/**
* Sets the time zone offset.
* @param {Array.<number>} offset Time zone offset.
*/
MockDate.prototype.setTimezoneOffset = function(offset) {
this.timezoneOffset_ = offset;
};
/**
* Returns consecutive offsets from array of time zone offsets on each call.
* @return {number} Time zone offset.
*/
MockDate.prototype.getTimezoneOffset = function() {
return this.timezoneOffset_.length > 1 ?
this.timezoneOffset_[this.offsetArrayCounter_++] :
this.timezoneOffset_[0];
};
function testGetFingerprint() {
var mockDate = new MockDate();
mockDate.setTimezoneOffset([-480]);
var fingerprint = goog.locale.timeZoneDetection.getFingerprint(mockDate);
assertEquals(32, fingerprint);
mockDate = new MockDate();
mockDate.setTimezoneOffset(
[480, 420, 420, 480, 480, 420, 420, 420, 420, 420, 420, 420, 420]);
fingerprint = goog.locale.timeZoneDetection.getFingerprint(mockDate);
assertEquals(1294772902, fingerprint);
}
function testDetectTimeZone() {
var mockDate = new MockDate();
mockDate.setTimezoneOffset([-480]);
var timeZoneId =
goog.locale.timeZoneDetection.detectTimeZone(undefined, mockDate);
assertEquals('Asia/Hong_Kong', timeZoneId);
mockDate = new MockDate();
mockDate.setTimezoneOffset(
[480, 420, 420, 480, 480, 420, 420, 420, 420, 420, 420, 420, 420]);
timeZoneId = goog.locale.timeZoneDetection.detectTimeZone('US', mockDate);
assertEquals('America/Los_Angeles', timeZoneId);
mockDate = new MockDate();
mockDate.setTimezoneOffset(
[480, 420, 420, 480, 480, 420, 420, 420, 420, 420, 420, 420, 420]);
timeZoneId = goog.locale.timeZoneDetection.detectTimeZone('CA', mockDate);
assertEquals('America/Dawson', timeZoneId);
}
function testGetTimeZoneList() {
var mockDate = new MockDate();
mockDate.setTimezoneOffset(
[480, 420, 420, 480, 480, 420, 420, 420, 420, 420, 420, 420, 420]);
var timeZoneList =
goog.locale.timeZoneDetection.getTimeZoneList(undefined, mockDate);
assertEquals('America/Los_Angeles', timeZoneList[0]);
assertEquals('America/Whitehorse', timeZoneList[4]);
assertEquals(5, timeZoneList.length);
mockDate = new MockDate();
mockDate.setTimezoneOffset([-480]);
timeZoneList =
goog.locale.timeZoneDetection.getTimeZoneList(undefined, mockDate);
assertEquals('Asia/Hong_Kong', timeZoneList[0]);
assertEquals('Asia/Chongqing', timeZoneList[7]);
assertEquals(16, timeZoneList.length);
timeZoneList =
goog.locale.timeZoneDetection.getTimeZoneList('AU', mockDate);
assertEquals(1, timeZoneList.length);
assertEquals('Australia/Perth', timeZoneList[0]);
}
</script>
</body>
</html>
|
