// deno-fmt-ignore-file // deno-lint-ignore-file // Copyright Joyent and Node contributors. All rights reserved. MIT license. // Taken from Node 20.11.1 // This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually. 'use strict'; const common = require('../common'); const { Readable } = require('stream'); const assert = require('assert'); const { strictEqual } = require('assert'); { // Strategy 2 const streamData = ['a', 'b', 'c', null]; // Fulfill a Readable object const readable = new Readable({ read: common.mustCall(() => { process.nextTick(() => { readable.push(streamData.shift()); }); }, streamData.length), }); // Use helper to convert it to a Web ReadableStream using ByteLength strategy const readableStream = Readable.toWeb(readable, { strategy: new ByteLengthQueuingStrategy({ highWaterMark: 1 }), }); assert(!readableStream.locked); readableStream.getReader().read().then(common.mustCall()); } { // Strategy 2 const streamData = ['a', 'b', 'c', null]; // Fulfill a Readable object const readable = new Readable({ read: common.mustCall(() => { process.nextTick(() => { readable.push(streamData.shift()); }); }, streamData.length), }); // Use helper to convert it to a Web ReadableStream using Count strategy const readableStream = Readable.toWeb(readable, { strategy: new CountQueuingStrategy({ highWaterMark: 1 }), }); assert(!readableStream.locked); readableStream.getReader().read().then(common.mustCall()); } { const desireSizeExpected = 2; const stringStream = new ReadableStream( { start(controller) { // Check if the strategy is being assigned on the init of the ReadableStream strictEqual(controller.desiredSize, desireSizeExpected); controller.enqueue('a'); controller.enqueue('b'); controller.close(); }, }, new CountQueuingStrategy({ highWaterMark: desireSizeExpected }) ); const reader = stringStream.getReader(); reader.read().then(common.mustCall()); reader.read().then(common.mustCall()); reader.read().then(({ value, done }) => { strictEqual(value, undefined); strictEqual(done, true); }); }