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'use strict';
const common = 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_${i}.txt`);
/**
* Testing with a array of buffers input
*/
// fs.writev 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 done = common.mustSucceed((written, buffers) => {
assert.deepStrictEqual(bufferArr, buffers);
const expectedLength = bufferArr.length * buffer.byteLength;
assert.deepStrictEqual(written, expectedLength);
fs.closeSync(fd);
assert(Buffer.concat(bufferArr).equals(fs.readFileSync(filename)));
});
fs.writev(fd, bufferArr, null, done);
}
// fs.writev 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];
const done = common.mustSucceed((written, buffers) => {
assert.deepStrictEqual(bufferArr, buffers);
const expectedLength = bufferArr.length * buffer.byteLength;
assert.deepStrictEqual(written, expectedLength);
fs.closeSync(fd);
assert(Buffer.concat(bufferArr).equals(fs.readFileSync(filename)));
});
fs.writev(fd, bufferArr, done);
}
// fs.writev with empty array of buffers
{
const filename = getFileName(3);
const fd = fs.openSync(filename, 'w');
const bufferArr = [];
let afterSyncCall = false;
const done = common.mustSucceed((written, buffers) => {
assert.strictEqual(buffers.length, 0);
assert.strictEqual(written, 0);
assert(afterSyncCall);
fs.closeSync(fd);
});
fs.writev(fd, bufferArr, done);
afterSyncCall = true;
}
/**
* 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.writev(fd, i, null, common.mustNotCall()), {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
}
);
});
fs.closeSync(fd);
}
// fs.writev with wrong fd types
[false, 'test', {}, [{}], null, undefined].forEach((i) => {
assert.throws(
() => fs.writev(i, common.mustNotCall()),
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
}
);
});
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