denoland-deno/cli/tests/node_compat/test/parallel/test-fs-empty-readStream.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.

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'use strict';
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const fixtures = require('../common/fixtures');

const emptyFile = fixtures.path('empty.txt');

fs.open(emptyFile, 'r', common.mustSucceed((fd) => {
  const read = fs.createReadStream(emptyFile, { fd });

  read.once('data', common.mustNotCall('data event should not emit'));

  read.once('end', common.mustCall());
}));

fs.open(emptyFile, 'r', common.mustSucceed((fd) => {
  const read = fs.createReadStream(emptyFile, { fd });

  read.pause();

  read.once('data', common.mustNotCall('data event should not emit'));

  read.once('end', common.mustNotCall('end event should not emit'));

  setTimeout(common.mustCall(() => {
    assert.strictEqual(read.isPaused(), true);
  }), common.platformTimeout(50));
}));