Fix up missed test cases for SE-0054.

Author: cwillmor

test/1_stdlib/Dispatch.swift

@@ -49,7 +49,7 @@ if #available(OSX 10.10, iOS 8.0, *) {
   DispatchAPI.test("dispatch_block_t identity") {
     let block = dispatch_block_create(DISPATCH_BLOCK_INHERIT_QOS_CLASS) {
       _ = 1
-    }
+    }!
 
     dispatch_async(dispatch_get_main_queue(), block)
     // This will trap if the block's pointer identity is not preserved.
@@ -61,7 +61,7 @@ if #available(OSX 10.10, iOS 8.0, *) {
 
     let block = dispatch_block_create(dispatch_block_flags_t(0)) {
       counter += 1
-    }
+    }!
     block()
     expectEqual(1, counter)
 

test/IDE/newtype.swift

@@ -32,9 +32,9 @@
 // PRINT-NEXT:    static let thirdEntry: ClosedEnum
 // PRINT-NEXT:  }
 // PRINT-NEXT:  struct IUONewtype : RawRepresentable {
-// PRINT-NEXT:    init(rawValue: String!)
-// PRINT-NEXT:    var _rawValue: NSString!
-// PRINT-NEXT:    var rawValue: String! { get }
+// PRINT-NEXT:    init(rawValue: String?)
+// PRINT-NEXT:    var _rawValue: NSString?
+// PRINT-NEXT:    var rawValue: String? { get }
 // PRINT-NEXT:  }
 // PRINT-NEXT:  struct MyFloat : RawRepresentable {
 // PRINT-NEXT:    init(rawValue: Float)

test/Interpreter/objc_class_properties_runtime.swift

@@ -76,7 +76,7 @@ ClassProperties.test("runtime")
   let prop = class_getProperty(object_getClass(theClass), "value")
   expectNotEmpty(prop)
 
-  let nameAsCString = property_getName(prop)
+  let nameAsCString = property_getName(prop)!
   expectNotEmpty(nameAsCString)
   expectEqual("value", String(cString: nameAsCString))
 }

validation-test/StdlibUnittest/NSException.swift

@@ -21,7 +21,8 @@ TestSuiteCrashes.test("uncaught") {
   raiseNSException()
 }
 // CHECK-LABEL: stdout>>> uncaught
-// CHECK: stderr>>> *** [StdlibUnittest] Terminating due to uncaught exception Trogdor: Burnination
+// CHECK: stderr>>> *** [StdlibUnittest] Terminating due to uncaught exception Trogdor: Optional(Burnination)
+// FIXME: listed reason above should be "Burnination", not "Optional(Burnination)"; may have to do with SE-0054
 // CHECK: stderr>>> CRASHED: SIG
 // CHECK: the test crashed unexpectedly
 // CHECK: [     FAIL ] NSExceptionCrashes.uncaught
@@ -32,7 +33,7 @@ TestSuiteCrashes.test("crashesAsExpected") {
   raiseNSException()
 }
 // CHECK-LABEL: stdout>>> crashesAsExpected
-// CHECK: stderr>>> *** [StdlibUnittest] Terminating due to uncaught exception Trogdor: Burnination
+// CHECK: stderr>>> *** [StdlibUnittest] Terminating due to uncaught exception Trogdor: Optional(Burnination)
 // CHECK: stderr>>> OK: saw expected "crashed: sig
 // CHECK: [       OK ] NSExceptionCrashes.crashesAsExpected
 
@@ -45,7 +46,7 @@ TestSuiteCrashes.test("crashesWithMessage")
   raiseNSException()
 }
 // CHECK-LABEL: stdout>>> crashesWithMessage
-// CHECK: stderr>>> *** [StdlibUnittest] Terminating due to uncaught exception Trogdor: Burnination
+// CHECK: stderr>>> *** [StdlibUnittest] Terminating due to uncaught exception Trogdor: Optional(Burnination)
 // CHECK: stderr>>> OK: saw expected "crashed: sig
 // CHECK: [       OK ] NSExceptionCrashes.crashesWithMessage
 
@@ -56,7 +57,7 @@ TestSuiteCrashes.test("nonNSException")
   objc_exception_throw("countryside")
 }
 // CHECK-LABEL: stdout>>> nonNSException
-// CHECK: stderr>>> *** [StdlibUnittest] Terminating due to uncaught exception: countryside
+// CHECK: stderr>>> *** [StdlibUnittest] Terminating due to uncaught exception: Optional(countryside)
 // CHECK: stderr>>> OK: saw expected "crashed: sig
 // CHECK: [       OK ] NSExceptionCrashes.nonNSException
 

validation-test/stdlib/Unicode.swift

@@ -2263,7 +2263,7 @@ StringCookedViews.test("UTF8ForContiguousUTF16") {
     backingStorage.withUnsafeBufferPointer {
       (ptr) -> Void in
       let cfstring = CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault,
-          ptr.baseAddress, backingStorage.count, kCFAllocatorNull)
+          ptr.baseAddress, backingStorage.count, kCFAllocatorNull)!
       expectFalse(CFStringGetCStringPtr(cfstring,
           CFStringBuiltInEncodings.ASCII.rawValue) != nil)
       expectTrue(CFStringGetCharactersPtr(cfstring) != nil)