test.wit

package local:local;

interface baz {
  foo: async func(s: string) -> string;
}

world round-trip {
  import baz;
  export baz;
}

interface many {
  record stuff {
    a: list<s32>,
    b: bool,
    c: u64
  }

  foo: async func(a: string,
            b: u32,
            c: list<u8>,
            d: tuple<u64, u64>,
            e: stuff,
            f: option<stuff>,
            g: result<stuff>)
    -> tuple<string,
             u32,
             list<u8>,
             tuple<u64, u64>,
             stuff,
             option<stuff>,
             result<stuff>>;
}

world round-trip-many {
  import many;
  export many;
}

world round-trip-direct {
  import foo: async func(s: string) -> string;
  export foo: async func(s: string) -> string;
}

interface ready {
  set-ready: func(ready: bool);
  when-ready: async func();
}

interface continue {
  set-continue: func(continue: bool);
  get-continue: func() -> bool;
}

interface run {
  run: async func();
}

interface backpressure {
  set-backpressure: func(enabled: bool);
}

interface transmit {
  variant control {
    read-stream(string),
    read-stream-zero,
    read-future(string),
    write-stream(string),
    write-stream-zero,
    write-future(string),
  }

  exchange: async func(control: stream<control>,
                 caller-stream: stream<string>,
                 caller-future1: future<string>,
                 caller-future2: future<string>) -> tuple<stream<string>, future<string>, future<string>>;
}

interface post-return {
  foo: async func(s: string) -> string;
  get-post-return-value: func() -> string;
}

interface borrowing-types {
  resource x {
    constructor();
    foo: func();
  }
}

interface borrowing {
  use borrowing-types.{x};

  foo: async func(x: borrow<x>, misbehave: bool);
}

interface run-bool {
  run: async func(v: bool);
}

interface run-result {
  run-fail: async func() -> result<_, error-context>;
  run-pass: async func() -> result<_, error-context>;
}

interface run-stream {
  produce-then-error: func(times: u32) -> stream;
}

interface run-future {
  produce-then-error: func() -> future;
}

interface unit-stream {
  run: async func(count: u32) -> stream;
}

interface resource-stream {
  resource x {
    foo: func();
  }

  foo: func(count: u32) -> stream<x>;
}

interface closed {
  read-stream: async func(rx: stream<u8>, expected: list<u8>);
  read-future: async func(rx: future<u8>, expected: u8, rx-ignore: future<u8>);
  read-future-post-return: async func(rx: future<u8>, expected: u8, rx-ignore: future<u8>);
}

interface sleep {
  sleep-millis: async func(time-in-millis: u64);
}

interface sleep-with-options {
  use cancel.{mode};

  variant on-cancel {
    task-return,
    task-cancel
  }

  sleep-millis: async func(time-in-millis: u64, on-cancel: on-cancel, on-cancel-delay-millis: u64, synchronous-delay: bool, mode: mode);
}

interface cancel {
  variant mode {
    normal,
    trap-cancel-guest-after-start-cancelled,
    trap-cancel-guest-after-return-cancelled,
    trap-cancel-guest-after-return,
    trap-cancel-host-after-return-cancelled,
    trap-cancel-host-after-return,
    leak-task-after-cancel,
  }

  run: func(mode: mode, cancel-delay-millis: u64);
}

interface intertask {
  foo: func(fut: future);
}

interface readiness {
  start: async func(s: stream<u8>, expected: list<u8>) -> tuple<stream<u8>, list<u8>>;
}

world yield-caller {
  import continue;
  import ready;
  import run;
  export run;
}

world yield-callee {
  import continue;
  export run;
}

world yield-host {
  import continue;
  import ready;
  export run;
}

world poll {
  import ready;
  export run;
}

world backpressure-caller {
  import backpressure;
  import run;
  export run;
}

world backpressure-callee {
  export backpressure;
  export run;
}

world transmit-caller {
  import transmit;
  export run;
}

world transmit-callee {
  export transmit;
}

world post-return-caller {
  import post-return;
  export run;
}

world post-return-callee {
  export post-return;
}

world borrowing-caller {
  import borrowing;
  export run-bool;
}

world borrowing-callee {
  export borrowing;
  export run-bool;
}

world borrowing-host {
  import borrowing-types;
  export run-bool;
}

world error-context-usage {
  export run;
}

world error-context-callee {
  export run-result;
  export run;
}

world error-context-caller {
  import run-result;
  export run;
}

world error-context-stream-callee {
  export run-stream;
  export run;
}

world error-context-stream-caller {
  import run-stream;
  export run;
}

world error-context-future-callee {
  export run-future;
  export run;
}

world error-context-future-caller {
  import run-future;
  export run;
}

world unit-stream-caller {
  import unit-stream;
  export run;
}

world unit-stream-callee {
  export unit-stream;
}

world read-resource-stream {
  import resource-stream;
  export run;
}

world closed-streams {
  export closed;
}

world sleep-host {
  import sleep;
}

world cancel-caller {
  import backpressure;
  import sleep;
  import sleep-with-options;
  export cancel;
}

world cancel-callee {
  import sleep;
  export backpressure;
  export sleep;
  export sleep-with-options;
}

world cancel-host {
  export cancel;
}

world intertask-communication {
  import intertask;
  export run;
}

world readiness-guest {
  export readiness;
}