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'use strict';
const common = require('../common');
// The following tests validate base functionality for the fs.promises
// FileHandle.readFile method.
const fs = require('fs');
const { open } = fs.promises;
const path = require('path');
const tmpdir = require('../common/tmpdir');
const assert = require('assert');
const tmpDir = tmpdir.path;
tmpdir.refresh();
async function validateWriteFile() {
const filePathForHandle = path.resolve(tmpDir, 'tmp-write-file2.txt');
const fileHandle = await open(filePathForHandle, 'w+');
const buffer = Buffer.from('Hello world'.repeat(100), 'utf8');
await fileHandle.writeFile(buffer);
const readFileData = fs.readFileSync(filePathForHandle);
assert.deepStrictEqual(buffer, readFileData);
await fileHandle.close();
}
validateWriteFile()
.then(common.mustCall());
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