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lean4/tests/elab/async_udp_sockets.lean
Garmelon 08eb78a5b2 chore: switch to new test/bench suite (#12590)
This PR sets up the new integrated test/bench suite. It then migrates
all benchmarks and some related tests to the new suite. There's also
some documentation and some linting.

For now, a lot of the old tests are left alone so this PR doesn't become
even larger than it already is. Eventually, all tests should be migrated
to the new suite though so there isn't a confusing mix of two systems.
2026-02-25 13:51:53 +00:00

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import Std.Internal.Async
import Std.Internal.UV
import Std.Net.Addr
open Std.Internal.IO.Async.UDP
open Std.Internal.IO.Async
open Std.Net
def assertBEq [BEq α] [ToString α] (actual expected : α) : IO Unit := do
unless actual == expected do
throw <| IO.userError <|
s!"expected '{expected}', got '{actual}'"
/-- Joe is another client. -/
def runJoe (addr : UInt16 SocketAddress) (first second : UInt16) : Async Unit := do
let client UDP.Socket.mk
client.bind (addr second)
client.connect (addr first)
client.send (String.toUTF8 "hello robert!")
def acceptClose (addr : UInt16 SocketAddress) (first second : UInt16) : IO Unit := do
let server UDP.Socket.mk
server.bind (addr first)
let res (runJoe addr first second).toIO
res.block
let res server.recv 1024 |>.toBaseIO
let (msg, addr) res.block
if let some addr := addr then
assertBEq addr.port second
assertBEq (String.fromUTF8! msg) "hello robert!"
#eval acceptClose (SocketAddress.v4 SocketAddressV4.mk (.ofParts 127 0 0 1)) 9001 9002
#eval acceptClose (SocketAddress.v6 SocketAddressV6.mk (.ofParts 0 0 0 0 0 0 0 1)) 9003 9004