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denoland-deno/cli/tests/node_compat/test/parallel/test-fs-writev-sync.js
2023-06-02 15:05:32 +09:00

104 lines
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JavaScript

// 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.
'use strict';
require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const expected = 'ümlaut. Лорем 運務ホソモ指及 आपको करने विकास 紙読決多密所 أضف';
const getFileName = (i) => path.join(tmpdir.path, `writev_sync_${i}.txt`);
/**
* Testing with a array of buffers input
*/
// fs.writevSync with array of buffers with all parameters
{
const filename = getFileName(1);
const fd = fs.openSync(filename, 'w');
const buffer = Buffer.from(expected);
const bufferArr = [buffer, buffer];
const expectedLength = bufferArr.length * buffer.byteLength;
let written = fs.writevSync(fd, [Buffer.from('')], null);
assert.strictEqual(written, 0);
written = fs.writevSync(fd, bufferArr, null);
assert.strictEqual(written, expectedLength);
fs.closeSync(fd);
assert(Buffer.concat(bufferArr).equals(fs.readFileSync(filename)));
}
// fs.writevSync with array of buffers without position
{
const filename = getFileName(2);
const fd = fs.openSync(filename, 'w');
const buffer = Buffer.from(expected);
const bufferArr = [buffer, buffer, buffer];
const expectedLength = bufferArr.length * buffer.byteLength;
let written = fs.writevSync(fd, [Buffer.from('')]);
assert.strictEqual(written, 0);
written = fs.writevSync(fd, bufferArr);
assert.strictEqual(written, expectedLength);
fs.closeSync(fd);
assert(Buffer.concat(bufferArr).equals(fs.readFileSync(filename)));
}
// fs.writevSync with empty array of buffers
{
const filename = getFileName(3);
const fd = fs.openSync(filename, 'w');
const written = fs.writevSync(fd, []);
assert.strictEqual(written, 0);
fs.closeSync(fd);
}
/**
* Testing with wrong input types
*/
{
const filename = getFileName(4);
const fd = fs.openSync(filename, 'w');
[false, 'test', {}, [{}], ['sdf'], null, undefined].forEach((i) => {
assert.throws(
() => fs.writevSync(fd, i, null), {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
}
);
});
fs.closeSync(fd);
}
// fs.writevSync with wrong fd types
[false, 'test', {}, [{}], null, undefined].forEach((i) => {
assert.throws(
() => fs.writevSync(i),
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
}
);
});