'use strict';const common = require('../common');
const assert = require('assert');const stream = require('stream');const { inspect } = require('util');
{
const ovfl = Number.MAX_SAFE_INTEGER;
const readable = stream.Readable({ highWaterMark: ovfl }); assert.strictEqual(readable._readableState.highWaterMark, ovfl);
const writable = stream.Writable({ highWaterMark: ovfl }); assert.strictEqual(writable._writableState.highWaterMark, ovfl);
for (const invalidHwm of [true, false, '5', {}, -5, NaN]) { for (const type of [stream.Readable, stream.Writable]) { assert.throws(() => { type({ highWaterMark: invalidHwm }); }, { name: 'TypeError', code: 'ERR_INVALID_ARG_VALUE', message: "The property 'options.highWaterMark' is invalid. " + `Received ${inspect(invalidHwm)}` }); } }}
{
const readable = stream.Readable({ highWaterMark: 0 });
for (let i = 0; i < 3; i++) { const needMoreData = readable.push(); assert.strictEqual(needMoreData, true); }}
{
const readable = stream.Readable({ highWaterMark: 0 });
readable._read = common.mustCall(); readable.read(0);}
{ ['1', '1.0', 1].forEach((size) => { const readable = new stream.Readable({ read: common.mustCall(), highWaterMark: 0, }); readable.read(size);
assert.strictEqual(readable._readableState.highWaterMark, Number(size)); });}