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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assertEquals, assertRejects } from "../assert/mod.ts";import { delay } from "./delay.ts";import { deadline, DeadlineError } from "./deadline.ts";
Deno.test("deadline() returns fulfilled promise", async () => {  const controller = new AbortController();  const { signal } = controller;  const p = delay(100, { signal })    .catch(() => {})    .then(() => "Hello");  const result = await deadline(p, 1000);  assertEquals(result, "Hello");  controller.abort();});
Deno.test("deadline() throws DeadlineError", async () => {  const controller = new AbortController();  const { signal } = controller;  const p = delay(1000, { signal })    .catch(() => {})    .then(() => "Hello");  await assertRejects(async () => {    await deadline(p, 100);  }, DeadlineError);  controller.abort();});
Deno.test("deadline() throws when promise is rejected", async () => {  const controller = new AbortController();  const { signal } = controller;  const p = delay(100, { signal })    .catch(() => {})    .then(() => Promise.reject(new Error("booom")));  await assertRejects(    async () => {      await deadline(p, 1000);    },    Error,    "booom",  );  controller.abort();});
Deno.test("deadline() handles non-aborted signal", async () => {  const controller = new AbortController();  const { signal } = controller;  const p = delay(100, { signal })    .catch(() => {})    .then(() => "Hello");  const abort = new AbortController();  const result = await deadline(p, 1000, { signal: abort.signal });  assertEquals(result, "Hello");  controller.abort();});
Deno.test("deadline() handles aborted signal after delay", async () => {  const controller = new AbortController();  const { signal } = controller;  const p = delay(100, { signal })    .catch(() => {})    .then(() => "Hello");  const abort = new AbortController();  const promise = deadline(p, 100, { signal: abort.signal });  abort.abort();  await assertRejects(async () => {    await promise;  }, DeadlineError);  controller.abort();});
Deno.test("deadline() handles already aborted signal", async () => {  const controller = new AbortController();  const { signal } = controller;  const p = delay(100, { signal })    .catch(() => {})    .then(() => "Hello");  const abort = new AbortController();  abort.abort();  await assertRejects(async () => {    await deadline(p, 100, { signal: abort.signal });  }, DeadlineError);  controller.abort();});