TestNSUUID.swift

// 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
//

classTestNSUUID:XCTestCase{
func test_Equality(){
letuuidA=NSUUID(uuidString:"E621E1F8-C36C-495A-93FC-0C247A3E6E5F")
letuuidB=NSUUID(uuidString:"e621e1f8-c36c-495a-93fc-0c247a3e6e5f")
letuuidC=NSUUID(uuidBytes:[0xe6,0x21,0xe1,0xf8,0xc3,0x6c,0x49,0x5a,0x93,0xfc,0x0c,0x24,0x7a,0x3e,0x6e,0x5f])
letuuidD=NSUUID()

XCTAssertEqual(uuidA, uuidB,"String case must not matter.")
XCTAssertEqual(uuidA, uuidC,"A UUID initialized with a string must be equal to the same UUID initialized with its UnsafePointer<UInt8> equivalent representation.")
XCTAssertNotEqual(uuidC, uuidD,"Two different UUIDs must not be equal.")
}

func test_InvalidUUID(){
letuuid=NSUUID(uuidString:"Invalid UUID")
XCTAssertNil(uuid,"The convenience initializer `init?(uuidString string:)` must return nil for an invalid UUID string.")
}

 // `uuidString` should return an uppercase string
 // See: https://bugs.swift.org/browse/SR-865
func test_uuidString(){
letuuid=NSUUID(uuidBytes:[0xe6,0x21,0xe1,0xf8,0xc3,0x6c,0x49,0x5a,0x93,0xfc,0x0c,0x24,0x7a,0x3e,0x6e,0x5f])
XCTAssertEqual(uuid.uuidString,"E621E1F8-C36C-495A-93FC-0C247A3E6E5F","The uuidString representation must be uppercase.")
}

func test_description(){
letuuid=NSUUID()
XCTAssertEqual(uuid.description, uuid.uuidString,"The description must be the same as the uuidString.")
}

func test_NSCoding(){
letuuidA=NSUUID()
letuuidB=NSKeyedUnarchiver.unarchiveObject(with:NSKeyedArchiver.archivedData(withRootObject: uuidA))as!NSUUID
XCTAssertEqual(uuidA, uuidB,"Archived then unarchived uuid must be equal.")
}
}