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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assertEquals, assertRejects } from "../assert/mod.ts";import { abortable } from "./abortable.ts";
Deno.test("abortable() handles promise", async () => {  const c = new AbortController();  const { promise, resolve } = Promise.withResolvers<string>();  const t = setTimeout(() => resolve("Hello"), 100);  const result = await abortable(promise, c.signal);  assertEquals(result, "Hello");  clearTimeout(t);});
Deno.test("abortable() handles promise with aborted signal after delay", async () => {  const c = new AbortController();  const { promise, resolve } = Promise.withResolvers<string>();  const t = setTimeout(() => resolve("Hello"), 100);  setTimeout(() => c.abort(), 50);  await assertRejects(    async () => {      await abortable(promise, c.signal);    },    DOMException,    "AbortError",  );  clearTimeout(t);});
Deno.test("abortable() handles promise with already aborted signal", async () => {  const c = new AbortController();  const { promise, resolve } = Promise.withResolvers<string>();  const t = setTimeout(() => resolve("Hello"), 100);  c.abort();  await assertRejects(    async () => {      await abortable(promise, c.signal);    },    DOMException,    "AbortError",  );  clearTimeout(t);});
Deno.test("abortable.AsyncIterable()", async () => {  const c = new AbortController();  const { promise, resolve } = Promise.withResolvers<string>();  const t = setTimeout(() => resolve("Hello"), 100);  const a = async function* () {    yield "Hello";    await promise;    yield "World";  };  const items = await Array.fromAsync(abortable(a(), c.signal));  assertEquals(items, ["Hello", "World"]);  clearTimeout(t);});
Deno.test("abortable.AsyncIterable() handles aborted signal after delay", async () => {  const c = new AbortController();  const { promise, resolve } = Promise.withResolvers<string>();  const t = setTimeout(() => resolve("Hello"), 100);  const a = async function* () {    yield "Hello";    await promise;    yield "World";  };  setTimeout(() => c.abort(), 50);  const items: string[] = [];  await assertRejects(    async () => {      for await (const item of abortable(a(), c.signal)) {        items.push(item);      }    },    DOMException,    "AbortError",  );  assertEquals(items, ["Hello"]);  clearTimeout(t);});
Deno.test("abortable.AsyncIterable() handles already aborted signal", async () => {  const c = new AbortController();  const { promise, resolve } = Promise.withResolvers<string>();  const t = setTimeout(() => resolve("Hello"), 100);  const a = async function* () {    yield "Hello";    await promise;    yield "World";  };  c.abort();  const items: string[] = [];  await assertRejects(    async () => {      for await (const item of abortable(a(), c.signal)) {        items.push(item);      }    },    DOMException,    "AbortError",  );  assertEquals(items, []);  clearTimeout(t);});