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TestDateComponents.swift
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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
classTestDateComponents:XCTestCase{
func test_hash(){
letc1=DateComponents(year:2018, month:8, day:1)
letc2=DateComponents(year:2018, month:8, day:1)
XCTAssertEqual(c1, c2)
XCTAssertEqual(c1.hashValue, c2.hashValue)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.calendar,
throughValues:[
Calendar(identifier:.gregorian),
Calendar(identifier:.buddhist),
Calendar(identifier:.chinese),
Calendar(identifier:.coptic),
Calendar(identifier:.hebrew),
Calendar(identifier:.indian),
Calendar(identifier:.islamic),
Calendar(identifier:.iso8601),
Calendar(identifier:.japanese),
Calendar(identifier:.persian)
])
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.timeZone,
throughValues:(-10...10).map{TimeZone(secondsFromGMT:3600* $0)})
// Note: These assume components aren't range checked.
letintegers:[Int?]=(0..<20).map{ $0 asInt?}
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.era,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.year,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.quarter,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.month,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.day,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.hour,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.minute,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.second,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.nanosecond,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.weekOfYear,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.weekOfMonth,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.yearForWeekOfYear,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.weekday,
throughValues: integers)
checkHashing_ValueType(
initialValue:DateComponents(),
byMutating: \DateComponents.weekdayOrdinal,
throughValues: integers)
// isLeapMonth does not have enough values to test it here.
}
func test_isValidDate()throws{
// SR-11569
letcalendarTimeZone=tryXCTUnwrap(TimeZone(secondsFromGMT:0))
letdateComponentsTimeZone=tryXCTUnwrap(TimeZone(secondsFromGMT:3600))
varcalendar=Calendar(identifier:.gregorian)
calendar.timeZone = calendarTimeZone
vardc=DateComponents()
dc.calendar = calendar
dc.timeZone = dateComponentsTimeZone
dc.year =2019
dc.month =1
dc.day =2
dc.hour =3
dc.minute =4
dc.second =5
dc.nanosecond =6
XCTAssertTrue(dc.isValidDate)
}
}
