claw back a little code coverage on Windows

Author: gregcotten

FlyingSocks/Tests/AsyncSocketTests.swift

@@ -188,7 +188,14 @@ struct AsyncSocketTests {
         )
     }
 
-#if !canImport(WinSDK)
+    #if canImport(WinSDK)
+    @Test
+    func datagramPairCreation_Throws() async throws {
+        await #expect(throws: SocketError.self) {
+            _ = try await AsyncSocket.makeDatagramPair()
+        }
+    }
+    #else
     @Test
     func datagramSocketReceivesChunk_WhenAvailable() async throws {
         let (s1, s2, addr) = try await AsyncSocket.makeDatagramPair()
@@ -208,7 +215,9 @@ struct AsyncSocketTests {
         try s2.close()
         try? Socket.unlink(addr)
     }
+    #endif
 
+#if !canImport(WinSDK)
     #if canImport(Darwin)
     @Test
     func messageSequence_sendsMessage_receivesTuple() async throws {

FlyingSocks/Tests/SocketTests.swift

@@ -199,9 +199,17 @@ struct SocketTests {
         #expect(try socket.getValue(for: .localAddressReuse) == false)
     }
 
-    #if !canImport(WinSDK)
+    #if canImport(WinSDK)
     // Windows only supports setting O_NONBLOCK, and currently can't retrieve whether it's been set :)
     @Test
+    func socket_Throws_On_Get_Flags() throws {
+        let socket = try Socket(domain: AF_UNIX, type: .stream)
+
+        try socket.setFlags(.append) // this is "OK", but actually won't set the flag
+        #expect(throws: SocketError.self) { try socket.flags.contains(.append) }
+    }
+    #else
+    @Test
     func socket_Sets_And_Gets_Flags() throws {
         let socket = try Socket(domain: AF_UNIX, type: .stream)
         #expect(try socket.flags.contains(.append) == false)