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