denoland-deno/cli/tests/node_compat/test/parallel/test-fs-read-stream-resume.js

// deno-fmt-ignore-file
// deno-lint-ignore-file

// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
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'use strict';
const common = require('../common');
const fixtures = require('../common/fixtures');
const assert = require('assert');

const fs = require('fs');

const file = fixtures.path('x.txt');
let data = '';
let first = true;

const stream = fs.createReadStream(file);
stream.setEncoding('utf8');
stream.on('data', common.mustCallAtLeast(function(chunk) {
  data += chunk;
  if (first) {
    first = false;
    stream.resume();
  }
}));

process.nextTick(function() {
  stream.pause();
  setTimeout(function() {
    stream.resume();
  }, 100);
});

process.on('exit', function() {
  assert.strictEqual(data, 'xyz\n');
});