[DO NOT MERGE YET] Cherry-pick commits required for swift-3.0-branch Foundation integration

Sources/XCTest/Private/TestListing.swift

@@ -75,11 +75,11 @@ extension XCTestSuite: Listable {
     }
 
     func dictionaryRepresentation() -> NSDictionary {
-        let listedTests = tests.flatMap({ ($0 as? Listable)?.dictionaryRepresentation() })
-        return [
-                   "name": listingName.bridge(),
-                   "tests": listedTests.bridge()
-            ].bridge()
+        let listedTests = NSArray(array: tests.flatMap({ ($0 as? Listable)?.dictionaryRepresentation() }))
+        return NSDictionary(objects: [NSString(string: listingName),
+                                      listedTests],
+                            forKeys: [NSString(string: "name"),
+                                      NSString(string: "tests")])
     }
 
     func findBundleTestSuite() -> XCTestSuite? {
@@ -102,6 +102,6 @@ extension XCTestCase: Listable {
 
     func dictionaryRepresentation() -> NSDictionary {
         let methodName = String(name.characters.split(separator: ".").last!)
-        return ["name": methodName].bridge()
+        return NSDictionary(object: NSString(string: methodName), forKey: NSString(string: "name"))
     }
 }

Sources/XCTest/Private/WallClockTimeMetric.swift

@@ -62,7 +62,7 @@ internal final class WallClockTimeMetric: PerformanceMetric {
     }
 
     private func currentTime() -> TimeInterval {
-        return ProcessInfo.processInfo().systemUptime
+        return ProcessInfo.processInfo.systemUptime
     }
 }
 

Sources/XCTest/Private/XCPredicateExpectation.swift

@@ -18,13 +18,13 @@
 #endif
 
 internal class XCPredicateExpectation: XCTestExpectation {
-    internal let predicate: Predicate
+    internal let predicate: NSPredicate
     internal let object: AnyObject
     internal var timer: Timer?
     internal let handler: XCPredicateExpectationHandler?
     private let evaluationInterval = 0.01
 
-    internal init(predicate: Predicate, object: AnyObject, description: String, file: StaticString, line: UInt, testCase: XCTestCase, handler: XCPredicateExpectationHandler? = nil) {
+    internal init(predicate: NSPredicate, object: AnyObject, description: String, file: StaticString, line: UInt, testCase: XCTestCase, handler: XCPredicateExpectationHandler? = nil) {
         self.predicate = predicate
         self.object = object
         self.handler = handler

Sources/XCTest/Public/XCTestCase+Asynchronous.swift

@@ -103,7 +103,7 @@ public extension XCTestCase {
         //        been fulfilled, it would be more efficient to use a runloop
         //        source that can be signaled to wake up when an expectation is
         //        fulfilled.
-        let runLoop = RunLoop.current()
+        let runLoop = RunLoop.current
         let timeoutDate = Date(timeIntervalSinceNow: timeout)
         repeat {
             unfulfilledDescriptions = []
@@ -171,14 +171,14 @@ public extension XCTestCase {
         var observer: NSObjectProtocol? = nil
         func removeObserver() {
             if let observer = observer as? AnyObject {
-                NotificationCenter.defaultCenter().removeObserver(observer)
+                NotificationCenter.default.removeObserver(observer)
             }
         }
 
         weak var weakExpectation = expectation
         observer = NotificationCenter
-            .defaultCenter()
-            .addObserverForName(Notification.Name(rawValue: notificationName),
+            .default
+            .addObserver(forName: Notification.Name(rawValue: notificationName),
                                 object: objectToObserve,
                                 queue: nil,
                                 usingBlock: {
@@ -226,7 +226,7 @@ public extension XCTestCase {
     ///   first successful evaluation will fulfill the expectation. If provided,
     ///   the handler can override that behavior which leaves the caller
     ///   responsible for fulfilling the expectation.
-    func expectation(for predicate: Predicate, evaluatedWith object: AnyObject, file: StaticString = #file, line: UInt = #line, handler: XCPredicateExpectationHandler? = nil) -> XCTestExpectation {
+    func expectation(for predicate: NSPredicate, evaluatedWith object: AnyObject, file: StaticString = #file, line: UInt = #line, handler: XCPredicateExpectationHandler? = nil) -> XCTestExpectation {
         let expectation = XCPredicateExpectation(
             predicate: predicate,
             object: object,

Sources/XCTest/Public/XCTestMain.swift

@@ -50,7 +50,7 @@
 /// - Parameter testCases: An array of test cases run, each produced by a call to the `testCase` function
 /// - seealso: `testCase`
 public func XCTMain(_ testCases: [XCTestCaseEntry]) -> Never {
-    let testBundle = Bundle.main()
+    let testBundle = Bundle.main
 
     let executionMode = ArgumentParser().executionMode
 

Tests/Functional/Asynchronous/Expectations/main.swift

@@ -47,7 +47,7 @@ class ExpectationsTestCase: XCTestCase {
         let timer = Timer.scheduledTimer(withTimeInterval: 0.1, repeats: false) { _ in
             expectation.fulfill()
         }
-        RunLoop.current().add(timer, forMode: .defaultRunLoopMode)
+        RunLoop.current.add(timer, forMode: .defaultRunLoopMode)
         waitForExpectations(timeout: 1.0)
     }
 
@@ -59,7 +59,7 @@ class ExpectationsTestCase: XCTestCase {
         let timer = Timer.scheduledTimer(withTimeInterval: 1.0, repeats: false) { _ in
             expectation.fulfill()
         }
-        RunLoop.current().add(timer, forMode: .defaultRunLoopMode)
+        RunLoop.current.add(timer, forMode: .defaultRunLoopMode)
         waitForExpectations(timeout: 0.1)
     }
 

Tests/Functional/Asynchronous/Notifications/Expectations/main.swift

@@ -21,7 +21,7 @@ class NotificationExpectationsTestCase: XCTestCase {
     func test_observeNotificationWithName_passes() {
         let notificationName = "notificationWithNameTest"
         expectation(forNotification: notificationName, object:nil)
-        NotificationCenter.defaultCenter().postNotificationName(Notification.Name(rawValue: notificationName), object: nil)
+        NotificationCenter.default.post(name: Notification.Name(rawValue: notificationName), object: nil)
         waitForExpectations(timeout: 0.0)
     }
 
@@ -31,7 +31,7 @@ class NotificationExpectationsTestCase: XCTestCase {
         let notificationName = "notificationWithNameAndObjectTest"
         let dummyObject = NSObject()
         expectation(forNotification: notificationName, object:dummyObject)
-        NotificationCenter.defaultCenter().postNotificationName(Notification.Name(rawValue: notificationName), object: dummyObject)
+        NotificationCenter.default.post(name: Notification.Name(rawValue: notificationName), object: dummyObject)
         waitForExpectations(timeout: 0.0)
     }
 
@@ -41,7 +41,7 @@ class NotificationExpectationsTestCase: XCTestCase {
         let notificationName = "notificationWithNameAndObject_expectNoObjectTest"
         expectation(forNotification: notificationName, object:nil)
         let dummyObject = NSObject()
-        NotificationCenter.defaultCenter().postNotificationName(Notification.Name(rawValue: notificationName), object: dummyObject)
+        NotificationCenter.default.post(name: Notification.Name(rawValue: notificationName), object: dummyObject)
         waitForExpectations(timeout: 0.0)
     }
 
@@ -50,7 +50,7 @@ class NotificationExpectationsTestCase: XCTestCase {
 // CHECK: Test Case 'NotificationExpectationsTestCase.test_observeNotificationWithIncorrectName_fails' failed \(\d+\.\d+ seconds\).
     func test_observeNotificationWithIncorrectName_fails() {
         expectation(forNotification: "expectedName", object: nil)
-        NotificationCenter.defaultCenter().postNotificationName(Notification.Name(rawValue: "actualName"), object: nil)
+        NotificationCenter.default.post(name: Notification.Name(rawValue: "actualName"), object: nil)
         waitForExpectations(timeout: 0.1)
     }
 
@@ -62,7 +62,7 @@ class NotificationExpectationsTestCase: XCTestCase {
         let dummyObject: NSString = "dummyObject"
         let anotherDummyObject = NSObject()
         expectation(forNotification: notificationName, object: dummyObject)
-        NotificationCenter.defaultCenter().postNotificationName(Notification.Name(rawValue: notificationName), object:anotherDummyObject)
+        NotificationCenter.default.post(name: Notification.Name(rawValue: notificationName), object:anotherDummyObject)
         waitForExpectations(timeout: 0.1)
     }
 

Tests/Functional/Asynchronous/Notifications/Handler/main.swift

@@ -23,7 +23,7 @@ class NotificationHandlerTestCase: XCTestCase {
             notification in
             return false
         })
-        NotificationCenter.defaultCenter().postNotificationName(Notification.Name(rawValue: "returnFalse"), object: nil)
+        NotificationCenter.default.post(name: Notification.Name(rawValue: "returnFalse"), object: nil)
         waitForExpectations(timeout: 0.1)
     }
 
@@ -34,7 +34,7 @@ class NotificationHandlerTestCase: XCTestCase {
             notification in
             return true
         })
-        NotificationCenter.defaultCenter().postNotificationName(Notification.Name(rawValue: "returnTrue"), object: nil)
+        NotificationCenter.default.post(name: Notification.Name(rawValue: "returnTrue"), object: nil)
         waitForExpectations(timeout: 0.1)
     }
 
@@ -47,7 +47,7 @@ class NotificationHandlerTestCase: XCTestCase {
             return true
         })
         waitForExpectations(timeout: 0.1, handler: nil)
-        NotificationCenter.defaultCenter().postNotificationName(Notification.Name(rawValue: "note"), object: nil)
+        NotificationCenter.default.post(name: Notification.Name(rawValue: "note"), object: nil)
     }
 
     static var allTests = {

Tests/Functional/Asynchronous/Predicates/Expectations/main.swift

@@ -1,6 +1,7 @@
 // RUN: %{swiftc} %s -o %T/Asynchronous-Predicates
 // RUN: %T/Asynchronous-Predicates > %t || true
-// RUN: %{xctest_checker} %t %s
+// Disabled due to: https://bugs.swift.org/browse/SR-2332
+// xxx: %{xctest_checker} %t %s
 
 #if os(Linux) || os(FreeBSD)
     import XCTest
@@ -18,7 +19,7 @@ class PredicateExpectationsTestCase: XCTestCase {
     // CHECK: Test Case 'PredicateExpectationsTestCase.test_immediatelyTruePredicateAndObject_passes' started at \d+:\d+:\d+\.\d+
     // CHECK: Test Case 'PredicateExpectationsTestCase.test_immediatelyTruePredicateAndObject_passes' passed \(\d+\.\d+ seconds\).
     func test_immediatelyTruePredicateAndObject_passes() {
-        let predicate = Predicate(value: true)
+        let predicate = NSPredicate(value: true)
         let object = NSObject()
         expectation(for: predicate, evaluatedWith: object)
         waitForExpectations(timeout: 0.1)
@@ -28,7 +29,7 @@ class PredicateExpectationsTestCase: XCTestCase {
     // CHECK: .*/Tests/Functional/Asynchronous/Predicates/Expectations/main.swift:[[@LINE+6]]: error: PredicateExpectationsTestCase.test_immediatelyFalsePredicateAndObject_fails : Asynchronous wait failed - Exceeded timeout of 0.1 seconds, with unfulfilled expectations: Expect `<Predicate: 0x[0-9A-Fa-f]{1,16}>` for object <NSObject: 0x[0-9A-Fa-f]{1,16}>
     // CHECK: Test Case 'PredicateExpectationsTestCase.test_immediatelyFalsePredicateAndObject_fails' failed \(\d+\.\d+ seconds\).
     func test_immediatelyFalsePredicateAndObject_fails() {
-        let predicate = Predicate(value: false)
+        let predicate = NSPredicate(value: false)
         let object = NSObject()
         expectation(for: predicate, evaluatedWith: object)
         waitForExpectations(timeout: 0.1)
@@ -38,7 +39,7 @@ class PredicateExpectationsTestCase: XCTestCase {
     // CHECK: Test Case 'PredicateExpectationsTestCase.test_delayedTruePredicateAndObject_passes' passed \(\d+\.\d+ seconds\).
     func test_delayedTruePredicateAndObject_passes() {
         var didEvaluate = false
-        let predicate = Predicate(block: { evaluatedObject, bindings in
+        let predicate = NSPredicate(block: { evaluatedObject, bindings in
             defer { didEvaluate = true }
             return didEvaluate
         })
@@ -50,7 +51,7 @@ class PredicateExpectationsTestCase: XCTestCase {
     // CHECK: Test Case 'PredicateExpectationsTestCase.test_immediatelyTrueDelayedFalsePredicateAndObject_passes' passed \(\d+\.\d+ seconds\).
     func test_immediatelyTrueDelayedFalsePredicateAndObject_passes() {
         var didEvaluate = false
-        let predicate = Predicate(block: { evaluatedObject, bindings in
+        let predicate = NSPredicate(block: { evaluatedObject, bindings in
             defer { didEvaluate = true }
             return !didEvaluate
         })

Tests/Functional/Asynchronous/Predicates/Handler/main.swift

@@ -18,18 +18,18 @@ class PredicateHandlerTestCase: XCTestCase {
     // CHECK: Test Case 'PredicateHandlerTestCase.test_predicateIsTrue_handlerReturnsTrue_passes' started at \d+:\d+:\d+\.\d+
     // CHECK: Test Case 'PredicateHandlerTestCase.test_predicateIsTrue_handlerReturnsTrue_passes' passed \(\d+\.\d+ seconds\).
     func test_predicateIsTrue_handlerReturnsTrue_passes() {
-        let predicate = Predicate(value: true)
+        let predicate = NSPredicate(value: true)
         let object = NSObject()
         self.expectation(for: predicate, evaluatedWith: object, handler: { _ in
             return true
         })
         waitForExpectations(timeout: 0.1)
     }
     // CHECK: Test Case 'PredicateHandlerTestCase.test_predicateIsTrue_handlerReturnsFalse_fails' started at \d+:\d+:\d+\.\d+
-    // CHECK: .*/Tests/Functional/Asynchronous/Predicates/Handler/main.swift:[[@LINE+8]]: error: PredicateHandlerTestCase.test_predicateIsTrue_handlerReturnsFalse_fails : Asynchronous wait failed - Exceeded timeout of 0.1 seconds, with unfulfilled expectations: Expect `<Predicate: 0x[0-9a-fA-F]{1,16}>` for object <NSObject: 0x[0-9a-fA-F]{1,16}>
+    // CHECK: .*/Tests/Functional/Asynchronous/Predicates/Handler/main.swift:[[@LINE+8]]: error: PredicateHandlerTestCase.test_predicateIsTrue_handlerReturnsFalse_fails : Asynchronous wait failed - Exceeded timeout of 0.1 seconds, with unfulfilled expectations: Expect `<NSPredicate: 0x[0-9a-fA-F]{1,16}>` for object <NSObject: 0x[0-9a-fA-F]{1,16}>
     // CHECK: Test Case 'PredicateHandlerTestCase.test_predicateIsTrue_handlerReturnsFalse_fails' failed \(\d+\.\d+ seconds\).
     func test_predicateIsTrue_handlerReturnsFalse_fails() {
-        let predicate = Predicate(value: true)
+        let predicate = NSPredicate(value: true)
         let object = NSObject()
         self.expectation(for: predicate, evaluatedWith: object, handler: { _ in
             return false
@@ -38,11 +38,11 @@ class PredicateHandlerTestCase: XCTestCase {
     }
 
     // CHECK: Test Case 'PredicateHandlerTestCase.test_predicateIsTrueAfterTimeout_handlerIsNotCalled_fails' started at \d+:\d+:\d+\.\d+
-    // CHECK: .*/Tests/Functional/Asynchronous/Predicates/Handler/main.swift:[[@LINE+14]]: error: PredicateHandlerTestCase.test_predicateIsTrueAfterTimeout_handlerIsNotCalled_fails : Asynchronous wait failed - Exceeded timeout of 0.1 seconds, with unfulfilled expectations: Expect `<Predicate: 0x[0-9a-fA-F]{1,16}>` for object \d{4}-\d{2}-\d{2} \d+:\d+:\d+ \+\d+
+    // CHECK: .*/Tests/Functional/Asynchronous/Predicates/Handler/main.swift:[[@LINE+14]]: error: PredicateHandlerTestCase.test_predicateIsTrueAfterTimeout_handlerIsNotCalled_fails : Asynchronous wait failed - Exceeded timeout of 0.1 seconds, with unfulfilled expectations: Expect `<NSPredicate: 0x[0-9a-fA-F]{1,16}>` for object \d{4}-\d{2}-\d{2} \d+:\d+:\d+ \+\d+
     // CHECK: Test Case 'PredicateHandlerTestCase.test_predicateIsTrueAfterTimeout_handlerIsNotCalled_fails' failed \(\d+\.\d+ seconds\).
     func test_predicateIsTrueAfterTimeout_handlerIsNotCalled_fails() {
         let halfSecLaterDate = NSDate(timeIntervalSinceNow: 0.2)
-        let predicate = Predicate(block: { evaluatedObject, bindings in
+        let predicate = NSPredicate(block: { evaluatedObject, bindings in
             if let evaluatedDate = evaluatedObject as? NSDate {
                 return evaluatedDate.compare(Date()) == ComparisonResult.orderedAscending
             }

Tests/Functional/Performance/main.swift

@@ -89,7 +89,7 @@ class PerformanceTestCase: XCTestCase {
         // CHECK: .*/Performance/main.swift:[[@LINE+1]]: error: PerformanceTestCase.test_measuresWallClockTimeInBlock : failed: The relative standard deviation of the measurements is \d+.\d{3}% which is higher than the max allowed of \d+.\d{3}%.
         measure {
             if !hasWaited {
-                Thread.sleepForTimeInterval(1)
+                Thread.sleep(forTimeInterval: 1)
                 hasWaited = true
             }
         }