Add an XCTestCase class, renaming the protocol to XCTestCaseType

Author: briancroom

Sources/XCTest/XCTestCase.swift

@@ -11,13 +11,13 @@
 //  Base protocol (and extension with default methods) for test cases
 //
 
-public protocol XCTestCase : XCTestCaseProvider {
+public protocol XCTestCaseType : XCTestCaseProvider {
     func setUp()
     func tearDown()
 }
 
-extension XCTestCase {
 
+extension XCTestCaseType {
     public var continueAfterFailure: Bool {
         get {
             return true
@@ -99,3 +99,18 @@ extension XCTestCase {
 
     }
 }
+
+public class XCTestCase {
+
+    public init() {
+
+    }
+
+    public func setUp() {
+
+    }
+
+    public func tearDown() {
+
+    }
+}

Sources/XCTest/XCTestMain.swift

@@ -44,7 +44,7 @@ internal struct XCTRun {
 ///
 /// This function will not return. If the test cases pass, then it will call `exit(0)`. If there is a failure, then it will call `exit(1)`.
 /// - Parameter testCases: An array of test cases to run.
-@noreturn public func XCTMain(testCases: [XCTestCase]) {
+@noreturn public func XCTMain(testCases: [XCTestCaseType]) {
     let overallDuration = measureTimeExecutingBlock {
         for testCase in testCases {
             testCase.invokeTest()