[stdlib] Port StdlibUnittest to FreeBSD.

stdlib/private/CMakeLists.txt

@@ -14,7 +14,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
   endif()
 endif()
 
-if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
   add_subdirectory(StdlibUnittest)
   add_subdirectory(SwiftPrivateDarwinExtras)
   add_subdirectory(SwiftPrivatePthreadExtras)

stdlib/private/StdlibUnittest/CMakeLists.txt

@@ -13,7 +13,7 @@ if(SWIFT_HOST_VARIANT MATCHES "${SWIFT_DARWIN_VARIANTS}")
   list(APPEND swift_stdlib_unittest_framework_depends
     Foundation)
 endif()
-if(SWIFT_HOST_VARIANT STREQUAL "linux")
+if(SWIFT_HOST_VARIANT STREQUAL "linux" OR SWIFT_HOST_VARIANT STREQUAL "FreeBSD")
   list(APPEND swift_stdlib_unittest_module_depends
     Glibc)
 endif()

stdlib/private/StdlibUnittest/StdlibUnittest.swift.gyb

@@ -16,7 +16,7 @@ import SwiftPrivateDarwinExtras
 
 #if os(OSX) || os(iOS) || os(watchOS) || os(tvOS)
 import Darwin
-#elseif os(Linux)
+#elseif os(Linux) || os(FreeBSD)
 import Glibc
 #endif
 
@@ -992,6 +992,7 @@ public enum OSVersion : CustomStringConvertible {
   case TVOSSimulator
   case watchOSSimulator
   case Linux
+  case FreeBSD
 
   public var description: String {
     switch self {
@@ -1011,6 +1012,8 @@ public enum OSVersion : CustomStringConvertible {
       return "watchOSSimulator"
     case Linux:
       return "Linux"
+    case FreeBSD:
+      return "FreeBSD"
     }
   }
 }
@@ -1043,6 +1046,8 @@ func _getOSVersion() -> OSVersion {
   return .watchOSSimulator
 #elseif os(Linux)
   return .Linux
+#elseif os(FreeBSD)
+  return .FreeBSD
 #else
   let productVersion = _stdlib_getSystemVersionPlistProperty("ProductVersion")!
   let (major, minor, bugFix) = _parseDottedVersionTriple(productVersion)
@@ -1112,6 +1117,8 @@ public enum TestRunPredicate : CustomStringConvertible {
 
   case LinuxAny(reason: String)
 
+  case FreeBSDAny(reason: String)
+
   public var description: String {
     switch self {
     case Custom(_, let reason):
@@ -1179,6 +1186,9 @@ public enum TestRunPredicate : CustomStringConvertible {
 
     case LinuxAny(reason: let reason):
       return "LinuxAny(*, reason: \(reason))"
+
+    case FreeBSDAny(reason: let reason):
+      return "FreeBSDAny(*, reason: \(reason))"
     }
   }
 
@@ -1410,6 +1420,14 @@ public enum TestRunPredicate : CustomStringConvertible {
       default:
         return false
       }
+
+    case FreeBSDAny:
+      switch _getRunningOSVersion() {
+      case .FreeBSD:
+        return true
+      default:
+        return false
+      }
     }
   }
 }

stdlib/private/SwiftPrivateDarwinExtras/CMakeLists.txt

@@ -4,7 +4,7 @@ set(swift_private_darwin_extras_module_depends
 if(SWIFT_HOST_VARIANT MATCHES "${SWIFT_DARWIN_VARIANTS}")
   list(APPEND swift_private_darwin_extras_module_depends
     Darwin)
-elseif(SWIFT_HOST_VARIANT STREQUAL "linux")
+elseif(SWIFT_HOST_VARIANT STREQUAL "linux" OR SWIFT_HOST_VARIANT STREQUAL "FreeBSD")
   list(APPEND swift_private_darwin_extras_module_depends
     Glibc)
 endif()

stdlib/private/SwiftPrivateDarwinExtras/Subprocess.swift

@@ -13,7 +13,7 @@
 import SwiftPrivate
 #if os(OSX) || os(iOS) || os(watchOS) || os(tvOS)
 import Darwin
-#elseif os(Linux)
+#elseif os(Linux) || os(FreeBSD)
 import Glibc
 #endif
 

stdlib/private/SwiftPrivateDarwinExtras/SwiftPrivateDarwinExtras.swift

@@ -13,7 +13,7 @@
 import SwiftPrivate
 #if os(OSX) || os(iOS) || os(watchOS) || os(tvOS)
 import Darwin
-#elseif os(Linux)
+#elseif os(Linux) || os(FreeBSD)
 import Glibc
 #endif
 

stdlib/private/SwiftPrivatePthreadExtras/CMakeLists.txt

@@ -3,7 +3,7 @@ set(swift_private_pthread_extras_module_depends)
 if(SWIFT_HOST_VARIANT MATCHES "${SWIFT_DARWIN_VARIANTS}")
   list(APPEND swift_private_pthread_extras_module_depends
     Darwin)
-elseif(SWIFT_HOST_VARIANT STREQUAL "linux")
+elseif(SWIFT_HOST_VARIANT STREQUAL "linux" OR SWIFT_HOST_VARIANT STREQUAL "FreeBSD")
   list(APPEND swift_private_pthread_extras_module_depends
     Glibc)
 endif()

stdlib/private/SwiftPrivatePthreadExtras/PthreadBarriers.swift

@@ -12,7 +12,7 @@
 
 #if os(OSX) || os(iOS) || os(watchOS) || os(tvOS)
 import Darwin
-#elseif os(Linux)
+#elseif os(Linux) || os(FreeBSD)
 import Glibc
 #endif
 

stdlib/private/SwiftPrivatePthreadExtras/SwiftPrivatePthreadExtras.swift

@@ -17,7 +17,7 @@
 
 #if os(OSX) || os(iOS) || os(watchOS) || os(tvOS)
 import Darwin
-#elseif os(Linux)
+#elseif os(Linux) || os(FreeBSD)
 import Glibc
 #endif
 

validation-test/stdlib/StdlibUnittestFreeBSD.swift

@@ -0,0 +1,34 @@
+// RUN: %target-run-stdlib-swift | FileCheck %s
+// REQUIRES: executable_test
+
+import Swift
+import StdlibUnittest
+
+// Also import modules which are used by StdlibUnittest internally. This
+// workaround is needed to link all required libraries in case we compile
+// StdlibUnittest with -sil-serialize-all.
+import SwiftPrivate
+#if _runtime(_ObjC)
+import ObjectiveC
+#endif
+
+_setOverrideOSVersion(.FreeBSD)
+_setTestSuiteFailedCallback() { print("abort()") }
+
+var XFailsFreeBSD = TestSuite("XFailsFreeBSD")
+
+// CHECK: [   UXPASS ] XFailsFreeBSD.xfail FreeBSD passes{{$}}
+XFailsFreeBSD.test("xfail FreeBSD passes").xfail(.FreeBSDAny(reason: "")).code {
+  expectEqual(1, 1)
+}
+
+// CHECK: [    XFAIL ] XFailsFreeBSD.xfail FreeBSD fails{{$}}
+XFailsFreeBSD.test("xfail FreeBSD fails").xfail(.FreeBSDAny(reason: "")).code {
+  expectEqual(1, 2)
+}
+
+// CHECK: XFailsFreeBSD: Some tests failed, aborting
+// CHECK: abort()
+
+runAllTests()
+