wrenner/socket_test.wren

// socket_test_simple.wren
import "socket" for Socket, SocketInstance

foreign class Host {
  foreign static signalDone()
}

var mainFiber = Fiber.new {
  System.print("Testing socket creation...")
  
  // Test creating a socket using the high-level API
  System.print("Creating socket via high-level API...")
  var result = SocketInstance.new()
  
  if (result) {
    System.print("Result received: %(result)")
    
    if (result.count != 2) {
      System.print("Unexpected result format: expected [error, socket], got %(result)")
      Host.signalDone()
      while(true) { Fiber.yield() } // Keep fiber alive
      return
    }
    
    var err = result[0]
    var sock = result[1]
    
    if (err) {
      System.print("Error creating socket: %(err)")
    } else if (!sock) {
      System.print("Socket is null despite no error")
    } else {
      System.print("Successfully created socket!")
      System.print("Socket instance: %(sock)")
      
      // Test binding
      System.print("\nTesting bind...")
      var bindResult = sock.bind("127.0.0.1", 12345)
      System.print("Bind result: %(bindResult)")
      
      if (bindResult && bindResult.count == 2) {
        if (bindResult[0]) {
          System.print("Bind error: %(bindResult[0])")
        } else {
          System.print("Successfully bound to port 12345")
          
          // Test listen
          System.print("\nTesting listen...")
          var listenResult = sock.listen(5)
          System.print("Listen result: %(listenResult)")
          
          if (listenResult && listenResult.count == 2) {
            if (listenResult[0]) {
              System.print("Listen error: %(listenResult[0])")
            } else {
              System.print("Successfully listening")
            }
          } else {
            System.print("Unexpected listen result format")
          }
        }
      } else {
        System.print("Unexpected bind result format")
      }
      
      // Close the socket
      System.print("\nClosing socket...")
      var closeErr = sock.close()
      if (closeErr && closeErr != "Close operation did not complete") {
        System.print("Close error: %(closeErr)")
      } else if (closeErr == "Close operation did not complete") {
        System.print("Close operation timed out")
      } else {
        System.print("Socket closed successfully")
      }
    }
  } else {
    System.print("Result was null")
  }
  
  System.print("\nTest complete")
  Host.signalDone()
  
  // Keep the fiber alive to prevent "Cannot call root fiber" error
  while(true) {
    Fiber.yield()
  }
}