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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../assert/mod.ts";import { writerFromStreamWriter } from "./writer_from_stream_writer.ts";
Deno.test("writerFromStreamWriter()", async function () { const written: string[] = []; const chunks: string[] = ["hello", "deno", "land"]; const writableStream = new WritableStream({ write(chunk) { const decoder = new TextDecoder(); written.push(decoder.decode(chunk)); }, });
const encoder = new TextEncoder(); const writer = writerFromStreamWriter(writableStream.getWriter());
for (const chunk of chunks) { const n = await writer.write(encoder.encode(chunk)); // stream writers always write all the bytes assertEquals(n, chunk.length); }
assertEquals(written, chunks);});