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// This source file is part of the Swift.org open source project
//
// Copyright (c) 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
//
class TestUserDefaults : XCTestCase {
func test_createUserDefaults() {
let defaults = UserDefaults.standard
defaults.set(4, forKey: "ourKey")
}
func test_getRegisteredDefaultItem() {
let defaults = UserDefaults.standard
defaults.register(defaults: ["key1": NSNumber(value: Int(5))])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.integer(forKey: "key1"), 5)
}
func test_getRegisteredDefaultItem_NSString() {
let defaults = UserDefaults.standard
// Register a NSString value. UserDefaults.string(forKey:) is supposed to return the NSString as a String
defaults.register(defaults: ["key1": "hello" as NSString])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.string(forKey: "key1"), "hello")
}
func test_getRegisteredDefaultItem_String() {
let defaults = UserDefaults.standard
// Register a String value. UserDefaults.string(forKey:) is supposed to return the String
defaults.register(defaults: ["key1": "hello"])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.string(forKey: "key1"), "hello")
}
func test_getRegisteredDefaultItem_NSURL() {
let defaults = UserDefaults.standard
// Register an NSURL value. UserDefaults.url(forKey:) is supposed to return the URL
defaults.register(defaults: ["key1": NSURL(fileURLWithPath: "/hello/world")])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.url(forKey: "key1"), URL(fileURLWithPath: "/hello/world"))
}
func test_getRegisteredDefaultItem_URL() {
let defaults = UserDefaults.standard
// Register an URL value. UserDefaults.url(forKey:) is supposed to return the URL
defaults.register(defaults: ["key1": URL(fileURLWithPath: "/hello/world")])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.url(forKey: "key1"), URL(fileURLWithPath: "/hello/world"))
}
func test_getRegisteredDefaultItem_NSData() {
let defaults = UserDefaults.standard
let bytes = [0, 1, 2, 3, 4] as [UInt8]
// Register an NSData value. UserDefaults.data(forKey:) is supposed to return the Data
defaults.register(defaults: ["key1": NSData(bytes: bytes, length: bytes.count)])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.data(forKey: "key1"), Data(bytes))
}
func test_getRegisteredDefaultItem_Data() {
let defaults = UserDefaults.standard
let bytes = [0, 1, 2, 3, 4] as [UInt8]
// Register a Data value. UserDefaults.data(forKey:) is supposed to return the Data
defaults.register(defaults: ["key1": Data(bytes)])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.data(forKey: "key1"), Data(bytes))
}
func test_getRegisteredDefaultItem_BoolFromString() {
let defaults = UserDefaults.standard
// Register a boolean default value as a string. UserDefaults.bool(forKey:) is supposed to return the parsed Bool value
defaults.register(defaults: ["key1": "YES"])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.bool(forKey: "key1"), true)
}
func test_getRegisteredDefaultItem_IntFromString() {
let defaults = UserDefaults.standard
// Register an int default value as a string. UserDefaults.integer(forKey:) is supposed to return the parsed Int value
defaults.register(defaults: ["key1": "1234"])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.integer(forKey: "key1"), 1234)
}
func test_getRegisteredDefaultItem_DoubleFromString() {
let defaults = UserDefaults.standard
// Register a double default value as a string. UserDefaults.double(forKey:) is supposed to return the parsed Double value
defaults.register(defaults: ["key1": "12.34"])
//make sure we don't have anything in the saved plist.
defaults.removeObject(forKey: "key1")
XCTAssertEqual(defaults.double(forKey: "key1"), 12.34)
}
func test_setValue_NSString() {
let defaults = UserDefaults.standard
// Set a NSString value. UserDefaults.string(forKey:) is supposed to return the NSString as a String
defaults.set("hello" as NSString, forKey: "key1")
XCTAssertEqual(defaults.string(forKey: "key1"), "hello")
}
func test_setValue_String() {
let defaults = UserDefaults.standard
// Register a String value. UserDefaults.string(forKey:) is supposed to return the String
defaults.set("hello", forKey: "key1")
XCTAssertEqual(defaults.string(forKey: "key1"), "hello")
}
func test_setValue_NSURL() {
let defaults = UserDefaults.standard
// Set a NSURL value. UserDefaults.url(forKey:) is supposed to return the NSURL as a URL
defaults.set(NSURL(fileURLWithPath: "/hello/world"), forKey: "key1")
XCTAssertEqual(defaults.url(forKey: "key1"), URL(fileURLWithPath: "/hello/world"))
}
func test_setValue_URL() {
let defaults = UserDefaults.standard
// Set a URL value. UserDefaults.url(forKey:) is supposed to return the URL
defaults.set(URL(fileURLWithPath: "/hello/world"), forKey: "key1")
XCTAssertEqual(defaults.url(forKey: "key1"), URL(fileURLWithPath: "/hello/world"))
}
func test_setValue_NSData() {
let defaults = UserDefaults.standard
let bytes = [0, 1, 2, 3, 4] as [UInt8]
// Set a NSData value. UserDefaults.data(forKey:) is supposed to return the Data
defaults.set(NSData(bytes: bytes, length: bytes.count), forKey: "key1")
XCTAssertEqual(defaults.data(forKey: "key1"), Data(bytes))
}
func test_setValue_Data() {
let defaults = UserDefaults.standard
let bytes = [0, 1, 2, 3, 4] as [UInt8]
// Set a Data value. UserDefaults.data(forKey:) is supposed to return the Data
defaults.set(Data(bytes), forKey: "key1")
XCTAssertEqual(defaults.data(forKey: "key1"), Data(bytes))
}
func test_setValue_BoolFromString() {
let defaults = UserDefaults.standard
// Register a boolean default value as a string. UserDefaults.bool(forKey:) is supposed to return the parsed Bool value
defaults.set("YES", forKey: "key1")
XCTAssertEqual(defaults.bool(forKey: "key1"), true)
}
func test_setValue_IntFromBool() {
let defaults = UserDefaults.standard
// Register an int default value as a boolean. UserDefaults.integer(forKey:) is supposed to return the converted Int value
defaults.set(true, forKey: "key1")
XCTAssertEqual(defaults.integer(forKey: "key1"), 1)
}
func test_setValue_IntFromFloat() {
let defaults = UserDefaults.standard
// Register an int default value as a float. UserDefaults.integer(forKey:) is supposed to return the converted Int value
defaults.set(12.34 as Float, forKey: "key1")
XCTAssertEqual(defaults.integer(forKey: "key1"), 12)
}
func test_setValue_IntFromDouble() {
let defaults = UserDefaults.standard
// Register an int default value as a double. UserDefaults.integer(forKey:) is supposed to return the converted Int value
defaults.set(12.34, forKey: "key1")
XCTAssertEqual(defaults.integer(forKey: "key1"), 12)
}
func test_setValue_IntFromString() {
let defaults = UserDefaults.standard
// Register an int default value as a string. UserDefaults.integer(forKey:) is supposed to return the parsed Int value
defaults.set("1234", forKey: "key1")
XCTAssertEqual(defaults.integer(forKey: "key1"), 1234)
}
func test_setValue_FloatFromBool() {
let defaults = UserDefaults.standard
// Register a boolean default value. UserDefaults.float(forKey:) is supposed to return the converted Float value
defaults.set(true, forKey: "key1")
XCTAssertEqual(defaults.float(forKey: "key1"), 1)
}
func test_setValue_FloatFromInt() {
let defaults = UserDefaults.standard
// Register an integer default value. UserDefaults.float(forKey:) is supposed to return the converted Float value
defaults.set(42, forKey: "key1")
XCTAssertEqual(defaults.float(forKey: "key1"), 42)
}
func test_setValue_FloatFromDouble() {
let defaults = UserDefaults.standard
// Register a double default value. UserDefaults.float(forKey:) is supposed to return the converted Float value
defaults.set(12.34, forKey: "key1")
XCTAssertEqual(defaults.float(forKey: "key1"), 12.34)
}
func test_setValue_FloatFromString() {
let defaults = UserDefaults.standard
// Register a string default value. UserDefaults.float(forKey:) is supposed to return the parsed Float value
defaults.set("1234", forKey: "key1")
XCTAssertEqual(defaults.float(forKey: "key1"), 1234)
}
func test_setValue_DoubleFromBool() {
let defaults = UserDefaults.standard
// Register a boolean default value. UserDefaults.double(forKey:) is supposed to return the converted Double value
defaults.set(true, forKey: "key1")
XCTAssertEqual(defaults.double(forKey: "key1"), 1)
}
func test_setValue_DoubleFromInt() {
let defaults = UserDefaults.standard
// Register an integer default value. UserDefaults.double(forKey:) is supposed to return the converted Double value
defaults.set(42, forKey: "key1")
XCTAssertEqual(defaults.double(forKey: "key1"), 42)
}
func test_setValue_DoubleFromFloat() {
let defaults = UserDefaults.standard
// Register a float default value. UserDefaults.double(forKey:) is supposed to return the converted Double value
defaults.set(12.34 as Float, forKey: "key1")
XCTAssertEqual(defaults.double(forKey: "key1"), Double(12.34 as Float))
}
func test_setValue_DoubleFromString() {
let defaults = UserDefaults.standard
// Register a double default value as a string. UserDefaults.double(forKey:) is supposed to return the parsed Double value
defaults.set("12.34", forKey: "key1")
XCTAssertEqual(defaults.double(forKey: "key1"), 12.34)
}
func test_setValue_StringFromBool() {
let defaults = UserDefaults.standard
// Register a bool default value. UserDefaults.string(forKey:) is supposed to return the converted String value
defaults.set(true, forKey: "key1")
XCTAssertEqual(defaults.string(forKey: "key1"), "1")
}
func test_setValue_StringFromInt() {
let defaults = UserDefaults.standard
// Register a int default value. UserDefaults.string(forKey:) is supposed to return the converted String value
defaults.set(42, forKey: "key1")
XCTAssertEqual(defaults.string(forKey: "key1"), "42")
}
func test_setValue_StringFromFloat() {
let defaults = UserDefaults.standard
// Register a float default value. UserDefaults.string(forKey:) is supposed to return the converted String value
defaults.set(12.34 as Float, forKey: "key1")
XCTAssertEqual(defaults.string(forKey: "key1"), "12.34")
}
func test_setValue_StringFromDouble() {
let defaults = UserDefaults.standard
// Register a double default value. UserDefaults.string(forKey:) is supposed to return the converted String value
defaults.set(12.34, forKey: "key1")
XCTAssertEqual(defaults.string(forKey: "key1"), "12.34")
}
func test_volatileDomains() {
let dateKey = "A Date",
stringKey = "A String",
arrayKey = "An Array",
dictionaryKey = "A Dictionary",
dataKey = "Some Data",
boolKey = "A Bool"
let defaultsIn: [String: Any] = [
dateKey: Date(),
stringKey: "The String",
arrayKey: [1, 2, 3],
dictionaryKey: ["Swift": "Imperative", "Haskell": "Functional", "LISP": "LISP", "Today": Date()],
dataKey: "The Data".data(using: .utf8)!,
boolKey: true
]
let domainName = "TestDomain"
let defaults = UserDefaults(suiteName: nil)!
XCTAssertFalse(defaults.volatileDomainNames.contains(domainName))
defaults.setVolatileDomain(defaultsIn, forName: domainName)
let defaultsOut = defaults.volatileDomain(forName: domainName)
XCTAssertEqual(defaultsIn.count, defaultsOut.count)
XCTAssertEqual(defaultsIn[dateKey] as! Date, defaultsOut[dateKey] as! Date)
XCTAssertEqual(defaultsIn[stringKey] as! String, defaultsOut[stringKey] as! String)
XCTAssertEqual(defaultsIn[arrayKey] as! [Int], defaultsOut[arrayKey] as! [Int])
XCTAssertEqual(defaultsIn[dictionaryKey] as! [String: AnyHashable], defaultsOut[dictionaryKey] as! [String: AnyHashable])
XCTAssertEqual(defaultsIn[dataKey] as! Data, defaultsOut[dataKey] as! Data)
XCTAssertEqual(defaultsIn[boolKey] as! Bool, defaultsOut[boolKey] as! Bool)
}
func test_persistentDomain() {
let int = (key: "An Integer", value: 1234)
let double = (key: "A Double", value: 5678.1234)
let string = (key: "A String", value: "Some string")
let array = (key: "An Array", value: [ 1, 2, 3, 4, "Surprise" ] as [AnyHashable])
let dictionary = (key: "A Dictionary", value: [ "Swift": "Imperative", "Haskell": "Functional", "LISP": "LISP", "Today": Date() ] as [String: AnyHashable])
let domainName = "org.swift.Foundation.TestPersistentDomainName"
let done = expectation(description: "All notifications have fired.")
nonisolated(unsafe) var countOfFiredNotifications = 0
let expectedNotificationCount = 3
let observer = NotificationCenter.default.addObserver(forName: UserDefaults.didChangeNotification, object: nil, queue: .main) { (_) in
countOfFiredNotifications += 1
if countOfFiredNotifications == expectedNotificationCount {
done.fulfill()
} else if countOfFiredNotifications > expectedNotificationCount {
XCTFail("Too many UserDefaults.didChangeNotification notifications posted.")
}
}
let defaults1 = UserDefaults(suiteName: nil)!
defaults1.removePersistentDomain(forName: domainName)
if let domain = defaults1.persistentDomain(forName: domainName) {
XCTAssertEqual(domain.count, 0)
} // else it's nil, which is also OK.
let defaultsIn: [String : Any] =
[ int.key: int.value,
double.key: double.value,
string.key: string.value,
array.key: array.value,
dictionary.key: dictionary.value ]
defaults1.setPersistentDomain(defaultsIn, forName: domainName)
let defaults2 = UserDefaults(suiteName: nil)!
let returned = defaults2.persistentDomain(forName: domainName)
XCTAssertNotNil(returned)
if let returned = returned {
XCTAssertEqual(returned.count, defaultsIn.count)
XCTAssertEqual(returned[int.key] as? Int, int.value)
XCTAssertEqual(returned[double.key] as? Double, double.value)
XCTAssertEqual(returned[string.key] as? String, string.value)
XCTAssertEqual(returned[array.key] as? [AnyHashable], array.value)
XCTAssertEqual(returned[dictionary.key] as? [String: AnyHashable], dictionary.value)
}
defaults2.removePersistentDomain(forName: domainName)
let defaults3 = UserDefaults(suiteName: nil)!
if let domain = defaults3.persistentDomain(forName: domainName) {
XCTAssertEqual(domain.count, 0)
} // else it's nil, which is also OK.
waitForExpectations(timeout: 10)
NotificationCenter.default.removeObserver(observer)
}
}
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