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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import {  earlyZipReadableStreams,  mergeReadableStreams,  zipReadableStreams,} from "./merge.ts";import { assertEquals } from "../testing/asserts.ts";
Deno.test("[streams] mergeReadableStreams", async () => {  const textStream = new ReadableStream<string>({    start(controller) {      controller.enqueue("qwertzuiopasd");      controller.enqueue("mnbvcxylkjhgfds");      controller.enqueue("apoiuztrewq0987654321");      controller.close();    },  });
  const textStream2 = new ReadableStream<string>({    start(controller) {      controller.enqueue("mnbvcxylkjhgfds");      controller.enqueue("apoiuztrewq0987654321");      controller.enqueue("qwertzuiopasd");      controller.close();    },  });
  const buf = [];  for await (const s of mergeReadableStreams(textStream, textStream2)) {    buf.push(s);  }
  assertEquals(buf.sort(), [    "apoiuztrewq0987654321",    "apoiuztrewq0987654321",    "mnbvcxylkjhgfds",    "mnbvcxylkjhgfds",    "qwertzuiopasd",    "qwertzuiopasd",  ]);});
Deno.test("[streams] zipReadableStreams", async () => {  const textStream = new ReadableStream<string>({    start(controller) {      controller.enqueue("qwertzuiopasd");      controller.enqueue("mnbvcxylkjhgfds");      controller.enqueue("apoiuztrewq0987321");      controller.close();    },  });
  const textStream2 = new ReadableStream<string>({    start(controller) {      controller.enqueue("mnbvcxylkjhgfdsewr");      controller.enqueue("apoiuztrewq0987654321");      controller.enqueue("qwertzuiopasq123d");      controller.close();    },  });
  const buf = [];  for await (const s of zipReadableStreams(textStream, textStream2)) {    buf.push(s);  }
  assertEquals(buf, [    "qwertzuiopasd",    "mnbvcxylkjhgfdsewr",    "mnbvcxylkjhgfds",    "apoiuztrewq0987654321",    "apoiuztrewq0987321",    "qwertzuiopasq123d",  ]);});
Deno.test("[streams] earlyZipReadableStreams short first", async () => {  const textStream = new ReadableStream<string>({    start(controller) {      controller.enqueue("1");      controller.enqueue("2");      controller.enqueue("3");      controller.close();    },  });
  const textStream2 = new ReadableStream<string>({    start(controller) {      controller.enqueue("a");      controller.enqueue("b");      controller.enqueue("c");      controller.enqueue("d");      controller.enqueue("e");      controller.close();    },  });
  const buf = [];  for await (const s of earlyZipReadableStreams(textStream, textStream2)) {    buf.push(s);  }
  assertEquals(buf, [    "1",    "a",    "2",    "b",    "3",    "c",  ]);});
Deno.test("[streams] earlyZipReadableStreams long first", async () => {  const textStream = new ReadableStream<string>({    start(controller) {      controller.enqueue("a");      controller.enqueue("b");      controller.enqueue("c");      controller.enqueue("d");      controller.enqueue("e");      controller.close();    },  });
  const textStream2 = new ReadableStream<string>({    start(controller) {      controller.enqueue("1");      controller.enqueue("2");      controller.enqueue("3");      controller.close();    },  });
  const buf = [];  for await (const s of earlyZipReadableStreams(textStream, textStream2)) {    buf.push(s);  }
  assertEquals(buf, [    "a",    "1",    "b",    "2",    "c",    "3",    "d",  ]);});