denoland-deno/cli/tests/node_compat/test/parallel/test-fs-write-stream.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.
//
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'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');

const tmpdir = require('../common/tmpdir');

const file = path.join(tmpdir.path, 'write.txt');

tmpdir.refresh();

{
  const stream = fs.WriteStream(file);
  const _fs_close = fs.close;

  fs.close = function(fd) {
    assert.ok(fd, 'fs.close must not be called without an undefined fd.');
    fs.close = _fs_close;
    fs.closeSync(fd);
  };
  stream.destroy();
}

{
  const stream = fs.createWriteStream(file);

  stream.on('drain', function() {
    assert.fail('\'drain\' event must not be emitted before ' +
                'stream.write() has been called at least once.');
  });
  stream.destroy();
}

// Throws if data is not of type Buffer.
{
  const stream = fs.createWriteStream(file);
  stream.on('error', common.mustNotCall());
  assert.throws(() => {
    stream.write(42);
  }, {
    code: 'ERR_INVALID_ARG_TYPE',
    name: 'TypeError'
  });
  stream.destroy();
}