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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
// Flags: --expose-internals'use strict';const common = require('../common');const fixtures = require('../common/fixtures');const tmpdir = require('../common/tmpdir');const assert = require('assert');const fs = require('fs');const { internalBinding } = require('internal/test/binding');const {  UV_ENOENT,  UV_EEXIST} = internalBinding('uv');const path = require('path');const src = fixtures.path('a.js');const dest = path.join(tmpdir.path, 'copyfile.out');const {  COPYFILE_EXCL,  COPYFILE_FICLONE,  COPYFILE_FICLONE_FORCE,  UV_FS_COPYFILE_EXCL,  UV_FS_COPYFILE_FICLONE,  UV_FS_COPYFILE_FICLONE_FORCE} = fs.constants;
function verify(src, dest) {  const srcData = fs.readFileSync(src, 'utf8');  const srcStat = fs.statSync(src);  const destData = fs.readFileSync(dest, 'utf8');  const destStat = fs.statSync(dest);
  assert.strictEqual(srcData, destData);  assert.strictEqual(srcStat.mode, destStat.mode);  assert.strictEqual(srcStat.size, destStat.size);}
tmpdir.refresh();
// Verify that flags are defined.assert.strictEqual(typeof COPYFILE_EXCL, 'number');assert.strictEqual(typeof COPYFILE_FICLONE, 'number');assert.strictEqual(typeof COPYFILE_FICLONE_FORCE, 'number');assert.strictEqual(typeof UV_FS_COPYFILE_EXCL, 'number');assert.strictEqual(typeof UV_FS_COPYFILE_FICLONE, 'number');assert.strictEqual(typeof UV_FS_COPYFILE_FICLONE_FORCE, 'number');assert.strictEqual(COPYFILE_EXCL, UV_FS_COPYFILE_EXCL);assert.strictEqual(COPYFILE_FICLONE, UV_FS_COPYFILE_FICLONE);assert.strictEqual(COPYFILE_FICLONE_FORCE, UV_FS_COPYFILE_FICLONE_FORCE);
// Verify that files are overwritten when no flags are provided.fs.writeFileSync(dest, '', 'utf8');const result = fs.copyFileSync(src, dest);assert.strictEqual(result, undefined);verify(src, dest);
// Verify that files are overwritten with default flags.fs.copyFileSync(src, dest, 0);verify(src, dest);
// Verify that UV_FS_COPYFILE_FICLONE can be used.fs.unlinkSync(dest);fs.copyFileSync(src, dest, UV_FS_COPYFILE_FICLONE);verify(src, dest);
// Verify that COPYFILE_FICLONE_FORCE can be used.try {  fs.unlinkSync(dest);  fs.copyFileSync(src, dest, COPYFILE_FICLONE_FORCE);  verify(src, dest);} catch (err) {  assert.strictEqual(err.syscall, 'copyfile');  assert(err.code === 'ENOTSUP' || err.code === 'ENOTTY' ||    err.code === 'ENOSYS' || err.code === 'EXDEV');  assert.strictEqual(err.path, src);  assert.strictEqual(err.dest, dest);}
// Copies asynchronously.tmpdir.refresh(); // Don't use unlinkSync() since the last test may fail.fs.copyFile(src, dest, common.mustSucceed(() => {  verify(src, dest);
  // Copy asynchronously with flags.  fs.copyFile(src, dest, COPYFILE_EXCL, common.mustCall((err) => {    if (err.code === 'ENOENT') {  // Could be ENOENT or EEXIST      assert.strictEqual(err.message,                         'ENOENT: no such file or directory, copyfile ' +                         `'${src}' -> '${dest}'`);      assert.strictEqual(err.errno, UV_ENOENT);      assert.strictEqual(err.code, 'ENOENT');      assert.strictEqual(err.syscall, 'copyfile');    } else {      assert.strictEqual(err.message,                         'EEXIST: file already exists, copyfile ' +                         `'${src}' -> '${dest}'`);      assert.strictEqual(err.errno, UV_EEXIST);      assert.strictEqual(err.code, 'EEXIST');      assert.strictEqual(err.syscall, 'copyfile');    }  }));}));
// Throws if callback is not a function.assert.throws(() => {  fs.copyFile(src, dest, 0, 0);}, {  code: 'ERR_INVALID_ARG_TYPE',  name: 'TypeError'});
// Throws if the source path is not a string.[false, 1, {}, [], null, undefined].forEach((i) => {  assert.throws(    () => fs.copyFile(i, dest, common.mustNotCall()),    {      code: 'ERR_INVALID_ARG_TYPE',      name: 'TypeError',      message: /src/    }  );  assert.throws(    () => fs.copyFile(src, i, common.mustNotCall()),    {      code: 'ERR_INVALID_ARG_TYPE',      name: 'TypeError',      message: /dest/    }  );  assert.throws(    () => fs.copyFileSync(i, dest),    {      code: 'ERR_INVALID_ARG_TYPE',      name: 'TypeError',      message: /src/    }  );  assert.throws(    () => fs.copyFileSync(src, i),    {      code: 'ERR_INVALID_ARG_TYPE',      name: 'TypeError',      message: /dest/    }  );});
assert.throws(() => {  fs.copyFileSync(src, dest, 'r');}, {  code: 'ERR_INVALID_ARG_TYPE',  name: 'TypeError',  message: /mode/});
assert.throws(() => {  fs.copyFileSync(src, dest, 8);}, {  code: 'ERR_OUT_OF_RANGE',  name: 'RangeError',  message: 'The value of "mode" is out of range. It must be an integer ' +           '>= 0 && <= 7. Received 8'});
assert.throws(() => {  fs.copyFile(src, dest, 'r', common.mustNotCall());}, {  code: 'ERR_INVALID_ARG_TYPE',  name: 'TypeError',  message: /mode/});