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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';const common = require('../common');
if (common.isIBMi)  common.skip('IBMi does not support `fs.watch()`');
// Tests if `filename` is provided to watcher on supported platforms
const fs = require('fs');const assert = require('assert');const { join } = require('path');
class WatchTestCase {  constructor(shouldInclude, dirName, fileName, field) {    this.dirName = dirName;    this.fileName = fileName;    this.field = field;    this.shouldSkip = !shouldInclude;  }  get dirPath() { return join(tmpdir.path, this.dirName); }  get filePath() { return join(this.dirPath, this.fileName); }}
const cases = [  // Watch on a file should callback with a filename on supported systems  new WatchTestCase(    common.isLinux || common.isOSX || common.isWindows || common.isAIX,    'watch1',    'foo',    'filePath'  ),  // Watch on a directory should callback with a filename on supported systems  new WatchTestCase(    common.isLinux || common.isOSX || common.isWindows,    'watch2',    'bar',    'dirPath'  ),];
const tmpdir = require('../common/tmpdir');tmpdir.refresh();
for (const testCase of cases) {  if (testCase.shouldSkip) continue;  fs.mkdirSync(testCase.dirPath);  // Long content so it's actually flushed.  const content1 = Date.now() + testCase.fileName.toLowerCase().repeat(1e4);  fs.writeFileSync(testCase.filePath, content1);
  let interval;  const pathToWatch = testCase[testCase.field];  const watcher = fs.watch(pathToWatch);  watcher.on('error', (err) => {    if (interval) {      clearInterval(interval);      interval = null;    }    assert.fail(err);  });  watcher.on('close', common.mustCall(() => {    watcher.close(); // Closing a closed watcher should be a noop  }));  watcher.on('change', common.mustCall(function(eventType, argFilename) {    if (interval) {      clearInterval(interval);      interval = null;    }    if (common.isOSX)      assert.strictEqual(['rename', 'change'].includes(eventType), true);    else      assert.strictEqual(eventType, 'change');    assert.strictEqual(argFilename, testCase.fileName);
    watcher.close();
    // We document that watchers cannot be used anymore when it's closed,    // here we turn the methods into noops instead of throwing    watcher.close(); // Closing a closed watcher should be a noop  }));
  // Long content so it's actually flushed. toUpperCase so there's real change.  const content2 = Date.now() + testCase.fileName.toUpperCase().repeat(1e4);  interval = setInterval(() => {    fs.writeFileSync(testCase.filePath, '');    fs.writeFileSync(testCase.filePath, content2);  }, 100);}
[false, 1, {}, [], null, undefined].forEach((input) => {  assert.throws(    () => fs.watch(input, common.mustNotCall()),    {      code: 'ERR_INVALID_ARG_TYPE',      name: 'TypeError'    }  );});