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test: added coverage for fs/promises API #20219

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test: added coverage for fs/promises API #20219

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test: added coverage for fs/promises API
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@mithunsasidharan
mithunsasidharan committed Apr 23, 2018
commit c2e10618086868d9054d6bf92ea2d5ee35d55ae1
18 changes: 15 additions & 3 deletions test/parallel/test-fs-promises-file-handle-write.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,18 @@ async function validateEmptyWrite() {
assert.deepStrictEqual(buffer, readFileData);
}

validateWrite()
.then(validateEmptyWrite)
.then(common.mustCall());
async function validateNonUint8ArrayWrite() {
const filePathForHandle = path.resolve(tmpDir, 'tmp-data-write.txt');
const fileHandle = await open(filePathForHandle, 'w+');
const buffer = Buffer.from('Hello world', 'utf8').toString('base64');

await fileHandle.write(buffer, 0, buffer.length);
const readFileData = fs.readFileSync(filePathForHandle);
assert.deepStrictEqual(Buffer.from(buffer, 'utf8'), readFileData);
}

Promise.all([
validateWrite(),
validateEmptyWrite(),
validateNonUint8ArrayWrite()
]).then(common.mustCall());