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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { testPerm, assert, assertEquals } from "./test_util.ts";
testPerm({ net: true }, function netTcpListenClose(): void {
const listener = Deno.listen({ hostname: "127.0.0.1", port: 4500 });
assertEquals(listener.addr.transport, "tcp");
assertEquals(listener.addr.hostname, "127.0.0.1");
assertEquals(listener.addr.port, 4500);
listener.close();
});
testPerm({ net: true }, function netUdpListenClose(): void {
if (Deno.build.os === "win") return; // TODO
const socket = Deno.listen({
hostname: "127.0.0.1",
port: 4500,
transport: "udp"
});
assertEquals(socket.addr.transport, "udp");
assertEquals(socket.addr.hostname, "127.0.0.1");
assertEquals(socket.addr.port, 4500);
socket.close();
});
testPerm({ net: true }, async function netTcpCloseWhileAccept(): Promise<void> {
const listener = Deno.listen({ port: 4501 });
const p = listener.accept();
listener.close();
let err;
try {
await p;
} catch (e) {
err = e;
}
assert(!!err);
assert(err instanceof Error);
assertEquals(err.message, "Listener has been closed");
});
testPerm({ net: true }, async function netTcpConcurrentAccept(): Promise<void> {
const listener = Deno.listen({ port: 4502 });
let acceptErrCount = 0;
const checkErr = (e: Error): void => {
if (e.message === "Listener has been closed") {
assertEquals(acceptErrCount, 1);
} else if (e.message === "Another accept task is ongoing") {
acceptErrCount++;
} else {
throw new Error("Unexpected error message");
}
};
const p = listener.accept().catch(checkErr);
const p1 = listener.accept().catch(checkErr);
await Promise.race([p, p1]);
listener.close();
await [p, p1];
assertEquals(acceptErrCount, 1);
});
testPerm({ net: true }, async function netTcpDialListen(): Promise<void> {
const listener = Deno.listen({ port: 4500 });
listener.accept().then(
async (conn): Promise<void> => {
assert(conn.remoteAddr != null);
assertEquals(conn.localAddr.hostname, "127.0.0.1");
assertEquals(conn.localAddr.port, 4500);
await conn.write(new Uint8Array([1, 2, 3]));
conn.close();
}
);
const conn = await Deno.connect({ hostname: "127.0.0.1", port: 4500 });
assertEquals(conn.remoteAddr.hostname, "127.0.0.1");
assertEquals(conn.remoteAddr.port, 4500);
assert(conn.localAddr != null);
const buf = new Uint8Array(1024);
const readResult = await conn.read(buf);
assertEquals(3, readResult);
assertEquals(1, buf[0]);
assertEquals(2, buf[1]);
assertEquals(3, buf[2]);
assert(conn.rid > 0);
assert(readResult !== Deno.EOF);
const readResult2 = await conn.read(buf);
assertEquals(Deno.EOF, readResult2);
listener.close();
conn.close();
});
testPerm({ net: true }, async function netUdpSendReceive(): Promise<void> {
if (Deno.build.os === "win") return; // TODO
const alice = Deno.listen({ port: 4500, transport: "udp" });
assertEquals(alice.addr.port, 4500);
assertEquals(alice.addr.hostname, "0.0.0.0");
assertEquals(alice.addr.transport, "udp");
const bob = Deno.listen({ port: 4501, transport: "udp" });
assertEquals(bob.addr.port, 4501);
assertEquals(bob.addr.hostname, "0.0.0.0");
assertEquals(bob.addr.transport, "udp");
const sent = new Uint8Array([1, 2, 3]);
await alice.send(sent, bob.addr);
const [recvd, remote] = await bob.receive();
assertEquals(remote.port, 4500);
assertEquals(recvd.length, 3);
assertEquals(1, recvd[0]);
assertEquals(2, recvd[1]);
assertEquals(3, recvd[2]);
alice.close();
bob.close();
});
testPerm(
{ net: true },
async function netTcpListenCloseWhileIterating(): Promise<void> {
const listener = Deno.listen({ port: 8000 });
const nextWhileClosing = listener[Symbol.asyncIterator]().next();
listener.close();
assertEquals(await nextWhileClosing, { value: undefined, done: true });
const nextAfterClosing = listener[Symbol.asyncIterator]().next();
assertEquals(await nextAfterClosing, { value: undefined, done: true });
}
);
testPerm(
{ net: true },
async function netUdpListenCloseWhileIterating(): Promise<void> {
if (Deno.build.os === "win") return; // TODO
const socket = Deno.listen({ port: 8000, transport: "udp" });
const nextWhileClosing = socket[Symbol.asyncIterator]().next();
socket.close();
assertEquals(await nextWhileClosing, { value: undefined, done: true });
const nextAfterClosing = socket[Symbol.asyncIterator]().next();
assertEquals(await nextAfterClosing, { value: undefined, done: true });
}
);
/* TODO(ry) Re-enable this test.
testPerm({ net: true }, async function netListenAsyncIterator(): Promise<void> {
const listener = Deno.listen(":4500");
const runAsyncIterator = async (): Promise<void> => {
for await (let conn of listener) {
await conn.write(new Uint8Array([1, 2, 3]));
conn.close();
}
};
runAsyncIterator();
const conn = await Deno.connect("127.0.0.1:4500");
const buf = new Uint8Array(1024);
const readResult = await conn.read(buf);
assertEquals(3, readResult);
assertEquals(1, buf[0]);
assertEquals(2, buf[1]);
assertEquals(3, buf[2]);
assert(conn.rid > 0);
assert(readResult !== Deno.EOF);
const readResult2 = await conn.read(buf);
assertEquals(Deno.EOF, readResult2);
listener.close();
conn.close();
});
*/
/* TODO Fix broken test.
testPerm({ net: true }, async function netCloseReadSuccess() {
const addr = "127.0.0.1:4500";
const listener = Deno.listen(addr);
const closeDeferred = deferred();
const closeReadDeferred = deferred();
listener.accept().then(async conn => {
await closeReadDeferred.promise;
await conn.write(new Uint8Array([1, 2, 3]));
const buf = new Uint8Array(1024);
const readResult = await conn.read(buf);
assertEquals(3, readResult);
assertEquals(4, buf[0]);
assertEquals(5, buf[1]);
assertEquals(6, buf[2]);
conn.close();
closeDeferred.resolve();
});
const conn = await Deno.connect(addr);
conn.closeRead(); // closing read
closeReadDeferred.resolve();
const buf = new Uint8Array(1024);
const readResult = await conn.read(buf);
assertEquals(Deno.EOF, readResult); // with immediate EOF
// Ensure closeRead does not impact write
await conn.write(new Uint8Array([4, 5, 6]));
await closeDeferred.promise;
listener.close();
conn.close();
});
*/
/* TODO Fix broken test.
testPerm({ net: true }, async function netDoubleCloseRead() {
const addr = "127.0.0.1:4500";
const listener = Deno.listen(addr);
const closeDeferred = deferred();
listener.accept().then(async conn => {
await conn.write(new Uint8Array([1, 2, 3]));
await closeDeferred.promise;
conn.close();
});
const conn = await Deno.connect(addr);
conn.closeRead(); // closing read
let err;
try {
// Duplicated close should throw error
conn.closeRead();
} catch (e) {
err = e;
}
assert(!!err);
assert(err instanceof Deno.errors.NotConnected);
closeDeferred.resolve();
listener.close();
conn.close();
});
*/
/* TODO Fix broken test.
testPerm({ net: true }, async function netCloseWriteSuccess() {
const addr = "127.0.0.1:4500";
const listener = Deno.listen(addr);
const closeDeferred = deferred();
listener.accept().then(async conn => {
await conn.write(new Uint8Array([1, 2, 3]));
await closeDeferred.promise;
conn.close();
});
const conn = await Deno.connect(addr);
conn.closeWrite(); // closing write
const buf = new Uint8Array(1024);
// Check read not impacted
const readResult = await conn.read(buf);
assertEquals(3, readResult);
assertEquals(1, buf[0]);
assertEquals(2, buf[1]);
assertEquals(3, buf[2]);
// Check write should be closed
let err;
try {
await conn.write(new Uint8Array([1, 2, 3]));
} catch (e) {
err = e;
}
assert(!!err);
assert(err instanceof Deno.errors.BrokenPipe);
closeDeferred.resolve();
listener.close();
conn.close();
});
*/
/* TODO Fix broken test.
testPerm({ net: true }, async function netDoubleCloseWrite() {
const addr = "127.0.0.1:4500";
const listener = Deno.listen(addr);
const closeDeferred = deferred();
listener.accept().then(async conn => {
await closeDeferred.promise;
conn.close();
});
const conn = await Deno.connect(addr);
conn.closeWrite(); // closing write
let err;
try {
// Duplicated close should throw error
conn.closeWrite();
} catch (e) {
err = e;
}
assert(!!err);
assert(err instanceof Deno.errors.NotConnected);
closeDeferred.resolve();
listener.close();
conn.close();
});
*/
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