98 lines
2.4 KiB
JavaScript
98 lines
2.4 KiB
JavaScript
'use strict';
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const common = 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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let cnt = 0;
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const getFileName = () => path.join(tmpdir.path, `readv_${++cnt}.txt`);
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const exptectedBuff = Buffer.from(expected);
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const allocateEmptyBuffers = (combinedLength) => {
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const bufferArr = [];
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// Allocate two buffers, each half the size of exptectedBuff
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bufferArr[0] = Buffer.alloc(Math.floor(combinedLength / 2)),
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bufferArr[1] = Buffer.alloc(combinedLength - bufferArr[0].length);
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return bufferArr;
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};
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const getCallback = (fd, bufferArr) => {
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return common.mustCall((err, bytesRead, buffers) => {
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assert.ifError(err);
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assert.deepStrictEqual(bufferArr, buffers);
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const expectedLength = exptectedBuff.length;
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assert.deepStrictEqual(bytesRead, expectedLength);
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fs.closeSync(fd);
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assert(Buffer.concat(bufferArr).equals(exptectedBuff));
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});
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};
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// fs.readv with array of buffers with all parameters
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{
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const filename = getFileName();
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const fd = fs.openSync(filename, 'w+');
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fs.writeSync(fd, exptectedBuff);
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const bufferArr = allocateEmptyBuffers(exptectedBuff.length);
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const callback = getCallback(fd, bufferArr);
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fs.readv(fd, bufferArr, 0, callback);
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}
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// fs.readv with array of buffers without position
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{
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const filename = getFileName();
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fs.writeFileSync(filename, exptectedBuff);
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const fd = fs.openSync(filename, 'r');
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const bufferArr = allocateEmptyBuffers(exptectedBuff.length);
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const callback = getCallback(fd, bufferArr);
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fs.readv(fd, bufferArr, callback);
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}
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/**
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* Testing with incorrect arguments
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*/
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const wrongInputs = [false, 'test', {}, [{}], ['sdf'], null, undefined];
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{
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const filename = getFileName(2);
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fs.writeFileSync(filename, exptectedBuff);
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const fd = fs.openSync(filename, 'r');
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wrongInputs.forEach((wrongInput) => {
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assert.throws(
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() => fs.readv(fd, wrongInput, null, common.mustNotCall()), {
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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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{
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// fs.readv with wrong fd argument
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wrongInputs.forEach((wrongInput) => {
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assert.throws(
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() => fs.readv(wrongInput, common.mustNotCall()),
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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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}
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