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TestDateFormatter.swift
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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
#if DEPLOYMENT_RUNTIME_OBJC || os(Linux)
import Foundation
import XCTest
#else
import SwiftFoundation
import SwiftXCTest
#endif
class TestDateFormatter: XCTestCase {
let DEFAULT_LOCALE = "en_US"
let DEFAULT_TIMEZONE = "GMT"
static var allTests : [(String, (TestDateFormatter) -> () throws -> Void)] {
return [
("test_BasicConstruction", test_BasicConstruction),
("test_dateStyleShort", test_dateStyleShort),
("test_dateStyleMedium", test_dateStyleMedium),
("test_dateStyleLong", test_dateStyleLong),
("test_dateStyleFull", test_dateStyleFull),
("test_customDateFormat", test_customDateFormat),
("test_setLocalizedDateFormatFromTemplate", test_setLocalizedDateFormatFromTemplate),
]
}
func test_BasicConstruction() {
let symbolDictionaryOne = ["eraSymbols" : ["BC", "AD"],
"monthSymbols" : ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
"shortMonthSymbols" : ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
"weekdaySymbols" : ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
"shortWeekdaySymbols" : ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
"longEraSymbols" : ["Before Christ", "Anno Domini"],
"veryShortMonthSymbols" : ["J", "F", "M", "A", "M", "J", "J", "A", "S", "O", "N", "D"],
"standaloneMonthSymbols" : ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
"shortStandaloneMonthSymbols" : ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
"veryShortStandaloneMonthSymbols" : ["J", "F", "M", "A", "M", "J", "J", "A", "S", "O", "N", "D"]]
let symbolDictionaryTwo = ["veryShortWeekdaySymbols" : ["S", "M", "T", "W", "T", "F", "S"],
"standaloneWeekdaySymbols" : ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
"shortStandaloneWeekdaySymbols" : ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
"veryShortStandaloneWeekdaySymbols" : ["S", "M", "T", "W", "T", "F", "S"],
"quarterSymbols" : ["1st quarter", "2nd quarter", "3rd quarter", "4th quarter"],
"shortQuarterSymbols" : ["Q1", "Q2", "Q3", "Q4"],
"standaloneQuarterSymbols" : ["1st quarter", "2nd quarter", "3rd quarter", "4th quarter"],
"shortStandaloneQuarterSymbols" : ["Q1", "Q2", "Q3", "Q4"]]
let f = DateFormatter()
XCTAssertNotNil(f)
XCTAssertNotNil(f.timeZone)
XCTAssertNotNil(f.locale)
f.timeZone = TimeZone(identifier: DEFAULT_TIMEZONE)
f.locale = Locale(identifier: DEFAULT_LOCALE)
// Assert default values are set properly
XCTAssertFalse(f.generatesCalendarDates)
XCTAssertNotNil(f.calendar)
XCTAssertFalse(f.isLenient)
XCTAssertEqual(f.twoDigitStartDate!, Date(timeIntervalSince1970: -631152000))
XCTAssertNil(f.defaultDate)
XCTAssertEqual(f.eraSymbols, symbolDictionaryOne["eraSymbols"]!)
XCTAssertEqual(f.monthSymbols, symbolDictionaryOne["monthSymbols"]!)
XCTAssertEqual(f.shortMonthSymbols, symbolDictionaryOne["shortMonthSymbols"]!)
XCTAssertEqual(f.weekdaySymbols, symbolDictionaryOne["weekdaySymbols"]!)
XCTAssertEqual(f.shortWeekdaySymbols, symbolDictionaryOne["shortWeekdaySymbols"]!)
XCTAssertEqual(f.amSymbol, "AM")
XCTAssertEqual(f.pmSymbol, "PM")
XCTAssertEqual(f.longEraSymbols, symbolDictionaryOne["longEraSymbols"]!)
XCTAssertEqual(f.veryShortMonthSymbols, symbolDictionaryOne["veryShortMonthSymbols"]!)
XCTAssertEqual(f.standaloneMonthSymbols, symbolDictionaryOne["standaloneMonthSymbols"]!)
XCTAssertEqual(f.shortStandaloneMonthSymbols, symbolDictionaryOne["shortStandaloneMonthSymbols"]!)
XCTAssertEqual(f.veryShortStandaloneMonthSymbols, symbolDictionaryOne["veryShortStandaloneMonthSymbols"]!)
XCTAssertEqual(f.veryShortWeekdaySymbols, symbolDictionaryTwo["veryShortWeekdaySymbols"]!)
XCTAssertEqual(f.standaloneWeekdaySymbols, symbolDictionaryTwo["standaloneWeekdaySymbols"]!)
XCTAssertEqual(f.shortStandaloneWeekdaySymbols, symbolDictionaryTwo["shortStandaloneWeekdaySymbols"]!)
XCTAssertEqual(f.veryShortStandaloneWeekdaySymbols, symbolDictionaryTwo["veryShortStandaloneWeekdaySymbols"]!)
XCTAssertEqual(f.quarterSymbols, symbolDictionaryTwo["quarterSymbols"]!)
XCTAssertEqual(f.shortQuarterSymbols, symbolDictionaryTwo["shortQuarterSymbols"]!)
XCTAssertEqual(f.standaloneQuarterSymbols, symbolDictionaryTwo["standaloneQuarterSymbols"]!)
XCTAssertEqual(f.shortStandaloneQuarterSymbols, symbolDictionaryTwo["shortStandaloneQuarterSymbols"]!)
XCTAssertEqual(f.gregorianStartDate, Date(timeIntervalSince1970: -12219292800))
XCTAssertFalse(f.doesRelativeDateFormatting)
}
// ShortStyle
// locale stringFromDate example
// ------ -------------- --------
// en_US M/d/yy h:mm a 12/25/15 12:00 AM
func test_dateStyleShort() {
let timestamps = [
-31536000 : "1/1/69, 12:00 AM" , 0.0 : "1/1/70, 12:00 AM", 31536000 : "1/1/71, 12:00 AM",
2145916800 : "1/1/38, 12:00 AM", 1456272000 : "2/24/16, 12:00 AM", 1456358399 : "2/24/16, 11:59 PM",
1452574638 : "1/12/16, 4:57 AM", 1455685038 : "2/17/16, 4:57 AM", 1458622638 : "3/22/16, 4:57 AM",
1459745838 : "4/4/16, 4:57 AM", 1462597038 : "5/7/16, 4:57 AM", 1465534638 : "6/10/16, 4:57 AM",
1469854638 : "7/30/16, 4:57 AM", 1470718638 : "8/9/16, 4:57 AM", 1473915438 : "9/15/16, 4:57 AM",
1477285038 : "10/24/16, 4:57 AM", 1478062638 : "11/2/16, 4:57 AM", 1482641838 : "12/25/16, 4:57 AM"
]
let f = DateFormatter()
f.dateStyle = .short
f.timeStyle = .short
// ensure tests give consistent results by setting specific timeZone and locale
f.timeZone = TimeZone(identifier: DEFAULT_TIMEZONE)
f.locale = Locale(identifier: DEFAULT_LOCALE)
for (timestamp, stringResult) in timestamps {
let testDate = Date(timeIntervalSince1970: timestamp)
let sf = f.string(from: testDate)
XCTAssertEqual(sf, stringResult)
}
}
// MediumStyle
// locale stringFromDate example
// ------ -------------- ------------
// en_US MMM d, y, h:mm:ss a Dec 25, 2015, 12:00:00 AM
func test_dateStyleMedium() {
let timestamps = [
-31536000 : "Jan 1, 1969, 12:00:00 AM" , 0.0 : "Jan 1, 1970, 12:00:00 AM", 31536000 : "Jan 1, 1971, 12:00:00 AM",
2145916800 : "Jan 1, 2038, 12:00:00 AM", 1456272000 : "Feb 24, 2016, 12:00:00 AM", 1456358399 : "Feb 24, 2016, 11:59:59 PM",
1452574638 : "Jan 12, 2016, 4:57:18 AM", 1455685038 : "Feb 17, 2016, 4:57:18 AM", 1458622638 : "Mar 22, 2016, 4:57:18 AM",
1459745838 : "Apr 4, 2016, 4:57:18 AM", 1462597038 : "May 7, 2016, 4:57:18 AM", 1465534638 : "Jun 10, 2016, 4:57:18 AM",
1469854638 : "Jul 30, 2016, 4:57:18 AM", 1470718638 : "Aug 9, 2016, 4:57:18 AM", 1473915438 : "Sep 15, 2016, 4:57:18 AM",
1477285038 : "Oct 24, 2016, 4:57:18 AM", 1478062638 : "Nov 2, 2016, 4:57:18 AM", 1482641838 : "Dec 25, 2016, 4:57:18 AM"
]
let f = DateFormatter()
f.dateStyle = .medium
f.timeStyle = .medium
f.timeZone = TimeZone(identifier: DEFAULT_TIMEZONE)
f.locale = Locale(identifier: DEFAULT_LOCALE)
for (timestamp, stringResult) in timestamps {
let testDate = Date(timeIntervalSince1970: timestamp)
let sf = f.string(from: testDate)
XCTAssertEqual(sf, stringResult)
}
}
// LongStyle
// locale stringFromDate example
// ------ -------------- -----------------
// en_US MMMM d, y 'at' h:mm:ss a zzz December 25, 2015 at 12:00:00 AM GMT
func test_dateStyleLong() {
let timestamps = [
-31536000 : "January 1, 1969 at 12:00:00 AM GMT" , 0.0 : "January 1, 1970 at 12:00:00 AM GMT", 31536000 : "January 1, 1971 at 12:00:00 AM GMT",
2145916800 : "January 1, 2038 at 12:00:00 AM GMT", 1456272000 : "February 24, 2016 at 12:00:00 AM GMT", 1456358399 : "February 24, 2016 at 11:59:59 PM GMT",
1452574638 : "January 12, 2016 at 4:57:18 AM GMT", 1455685038 : "February 17, 2016 at 4:57:18 AM GMT", 1458622638 : "March 22, 2016 at 4:57:18 AM GMT",
1459745838 : "April 4, 2016 at 4:57:18 AM GMT", 1462597038 : "May 7, 2016 at 4:57:18 AM GMT", 1465534638 : "June 10, 2016 at 4:57:18 AM GMT",
1469854638 : "July 30, 2016 at 4:57:18 AM GMT", 1470718638 : "August 9, 2016 at 4:57:18 AM GMT", 1473915438 : "September 15, 2016 at 4:57:18 AM GMT",
1477285038 : "October 24, 2016 at 4:57:18 AM GMT", 1478062638 : "November 2, 2016 at 4:57:18 AM GMT", 1482641838 : "December 25, 2016 at 4:57:18 AM GMT"
]
let f = DateFormatter()
f.dateStyle = .long
f.timeStyle = .long
f.timeZone = TimeZone(identifier: DEFAULT_TIMEZONE)
f.locale = Locale(identifier: DEFAULT_LOCALE)
for (timestamp, stringResult) in timestamps {
let testDate = Date(timeIntervalSince1970: timestamp)
let sf = f.string(from: testDate)
XCTAssertEqual(sf, stringResult)
}
}
// FullStyle
// locale stringFromDate example
// ------ -------------- -------------------------
// en_US EEEE, MMMM d, y 'at' h:mm:ss a zzzz Friday, December 25, 2015 at 12:00:00 AM Greenwich Mean Time
func test_dateStyleFull() {
#if os(OSX) // timestyle .full is currently broken on Linux, the timezone should be 'Greenwich Mean Time' not 'GMT'
let timestamps: [TimeInterval:String] = [
// Negative time offsets are still buggy on macOS
-31536000 : "Wednesday, January 1, 1969 at 12:00:00 AM GMT", 0.0 : "Thursday, January 1, 1970 at 12:00:00 AM Greenwich Mean Time",
31536000 : "Friday, January 1, 1971 at 12:00:00 AM Greenwich Mean Time", 2145916800 : "Friday, January 1, 2038 at 12:00:00 AM Greenwich Mean Time",
1456272000 : "Wednesday, February 24, 2016 at 12:00:00 AM Greenwich Mean Time", 1456358399 : "Wednesday, February 24, 2016 at 11:59:59 PM Greenwich Mean Time",
1452574638 : "Tuesday, January 12, 2016 at 4:57:18 AM Greenwich Mean Time", 1455685038 : "Wednesday, February 17, 2016 at 4:57:18 AM Greenwich Mean Time",
1458622638 : "Tuesday, March 22, 2016 at 4:57:18 AM Greenwich Mean Time", 1459745838 : "Monday, April 4, 2016 at 4:57:18 AM Greenwich Mean Time",
1462597038 : "Saturday, May 7, 2016 at 4:57:18 AM Greenwich Mean Time", 1465534638 : "Friday, June 10, 2016 at 4:57:18 AM Greenwich Mean Time",
1469854638 : "Saturday, July 30, 2016 at 4:57:18 AM Greenwich Mean Time", 1470718638 : "Tuesday, August 9, 2016 at 4:57:18 AM Greenwich Mean Time",
1473915438 : "Thursday, September 15, 2016 at 4:57:18 AM Greenwich Mean Time", 1477285038 : "Monday, October 24, 2016 at 4:57:18 AM Greenwich Mean Time",
1478062638 : "Wednesday, November 2, 2016 at 4:57:18 AM Greenwich Mean Time", 1482641838 : "Sunday, December 25, 2016 at 4:57:18 AM Greenwich Mean Time"
]
let f = DateFormatter()
f.dateStyle = .full
f.timeStyle = .full
f.timeZone = TimeZone(identifier: DEFAULT_TIMEZONE)
f.locale = Locale(identifier: DEFAULT_LOCALE)
for (timestamp, stringResult) in timestamps {
let testDate = Date(timeIntervalSince1970: timestamp)
let sf = f.string(from: testDate)
XCTAssertEqual(sf, stringResult)
}
#endif
}
// Custom Style
// locale stringFromDate example
// ------ -------------- -------------------------
// en_US EEEE, MMMM d, y 'at' hh:mm:ss a zzzz Friday, December 25, 2015 at 12:00:00 AM Greenwich Mean Time
func test_customDateFormat() {
let timestamps = [
// Negative time offsets are still buggy on macOS
-31536000 : "Wednesday, January 1, 1969 at 12:00:00 AM GMT", 0.0 : "Thursday, January 1, 1970 at 12:00:00 AM Greenwich Mean Time",
31536000 : "Friday, January 1, 1971 at 12:00:00 AM Greenwich Mean Time", 2145916800 : "Friday, January 1, 2038 at 12:00:00 AM Greenwich Mean Time",
1456272000 : "Wednesday, February 24, 2016 at 12:00:00 AM Greenwich Mean Time", 1456358399 : "Wednesday, February 24, 2016 at 11:59:59 PM Greenwich Mean Time",
1452574638 : "Tuesday, January 12, 2016 at 04:57:18 AM Greenwich Mean Time", 1455685038 : "Wednesday, February 17, 2016 at 04:57:18 AM Greenwich Mean Time",
1458622638 : "Tuesday, March 22, 2016 at 04:57:18 AM Greenwich Mean Time", 1459745838 : "Monday, April 4, 2016 at 04:57:18 AM Greenwich Mean Time",
1462597038 : "Saturday, May 7, 2016 at 04:57:18 AM Greenwich Mean Time", 1465534638 : "Friday, June 10, 2016 at 04:57:18 AM Greenwich Mean Time",
1469854638 : "Saturday, July 30, 2016 at 04:57:18 AM Greenwich Mean Time", 1470718638 : "Tuesday, August 9, 2016 at 04:57:18 AM Greenwich Mean Time",
1473915438 : "Thursday, September 15, 2016 at 04:57:18 AM Greenwich Mean Time", 1477285038 : "Monday, October 24, 2016 at 04:57:18 AM Greenwich Mean Time",
1478062638 : "Wednesday, November 2, 2016 at 04:57:18 AM Greenwich Mean Time", 1482641838 : "Sunday, December 25, 2016 at 04:57:18 AM Greenwich Mean Time"
]
let f = DateFormatter()
f.timeZone = TimeZone(identifier: DEFAULT_TIMEZONE)
f.locale = Locale(identifier: DEFAULT_LOCALE)
#if os(OSX) // timestyle zzzz is currently broken on Linux
f.dateFormat = "EEEE, MMMM d, y 'at' hh:mm:ss a zzzz"
for (timestamp, stringResult) in timestamps {
let testDate = Date(timeIntervalSince1970: timestamp)
let sf = f.string(from: testDate)
XCTAssertEqual(sf, stringResult)
}
#endif
let quarterTimestamps: [Double : String] = [
1451679712 : "1", 1459542112 : "2", 1467404512 : "3", 1475353312 : "4"
]
f.dateFormat = "Q"
for (timestamp, stringResult) in quarterTimestamps {
let testDate = Date(timeIntervalSince1970: timestamp)
let sf = f.string(from: testDate)
XCTAssertEqual(sf, stringResult)
}
// Check .dateFormat resets when style changes
let testDate = Date(timeIntervalSince1970: 1457738454)
f.dateStyle = .medium
f.timeStyle = .medium
XCTAssertEqual(f.string(from: testDate), "Mar 11, 2016, 11:20:54 PM")
XCTAssertEqual(f.dateFormat, "MMM d, y, h:mm:ss a")
f.dateFormat = "dd-MM-yyyy"
XCTAssertEqual(f.string(from: testDate), "11-03-2016")
}
func test_setLocalizedDateFormatFromTemplate() {
let locale = Locale(identifier: DEFAULT_LOCALE)
let template = "EEEE MMMM d y hhmmss a zzzz"
let f = DateFormatter()
f.locale = locale
f.setLocalizedDateFormatFromTemplate(template)
let dateFormat = DateFormatter.dateFormat(fromTemplate: template, options: 0, locale: locale)
XCTAssertEqual(f.dateFormat, dateFormat)
}
}