mirror of https://gitee.com/openkylin/nodejs.git
112 lines
4.0 KiB
JavaScript
112 lines
4.0 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fs = require('fs');
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const join = require('path').join;
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const tmpdir = require('../common/tmpdir');
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tmpdir.refresh();
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const filename = join(tmpdir.path, 'test.txt');
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const n = 220;
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const s = '南越国是前203年至前111年存在于岭南地区的一个国家，国都位于番禺，疆域包括今天中国的广东、' +
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'广西两省区的大部份地区，福建省、湖南、贵州、云南的一小部份地区和越南的北部。' +
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'南越国是秦朝灭亡后，由南海郡尉赵佗于前203年起兵兼并桂林郡和象郡后建立。' +
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'前196年和前179年，南越国曾先后两次名义上臣属于西汉，成为西汉的“外臣”。前112年，' +
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'南越国末代君主赵建德与西汉发生战争，被汉武帝于前111年所灭。南越国共存在93年，' +
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'历经五代君主。南越国是岭南地区的第一个有记载的政权国家，采用封建制和郡县制并存的制度，' +
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'它的建立保证了秦末乱世岭南地区社会秩序的稳定，有效的改善了岭南地区落后的政治、##济现状。\n';
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fs.writeFile(filename, s, common.mustCall(function(e) {
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assert.ifError(e);
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fs.readFile(filename, common.mustCall(function(e, buffer) {
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assert.ifError(e);
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assert.strictEqual(Buffer.byteLength(s), buffer.length);
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}));
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}));
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// Test that writeFile accepts buffers.
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const filename2 = join(tmpdir.path, 'test2.txt');
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const buf = Buffer.from(s, 'utf8');
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fs.writeFile(filename2, buf, common.mustCall(function(e) {
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assert.ifError(e);
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fs.readFile(filename2, common.mustCall(function(e, buffer) {
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assert.ifError(e);
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assert.strictEqual(buf.length, buffer.length);
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}));
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}));
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// Test that writeFile accepts numbers.
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const filename3 = join(tmpdir.path, 'test3.txt');
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const m = 0o600;
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fs.writeFile(filename3, n, { mode: m }, common.mustCall(function(e) {
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assert.ifError(e);
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// Windows permissions aren't Unix.
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if (!common.isWindows) {
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const st = fs.statSync(filename3);
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assert.strictEqual(st.mode & 0o700, m);
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}
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fs.readFile(filename3, common.mustCall(function(e, buffer) {
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assert.ifError(e);
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assert.strictEqual(Buffer.byteLength(String(n)), buffer.length);
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}));
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}));
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// Test that writeFile accepts file descriptors.
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const filename4 = join(tmpdir.path, 'test4.txt');
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fs.open(filename4, 'w+', common.mustCall(function(e, fd) {
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assert.ifError(e);
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fs.writeFile(fd, s, common.mustCall(function(e) {
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assert.ifError(e);
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fs.close(fd, common.mustCall(function(e) {
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assert.ifError(e);
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fs.readFile(filename4, common.mustCall(function(e, buffer) {
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assert.ifError(e);
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assert.strictEqual(Buffer.byteLength(s), buffer.length);
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}));
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}));
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}));
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}));
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process.on('exit', function() {
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fs.unlinkSync(filename);
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fs.unlinkSync(filename2);
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fs.unlinkSync(filename3);
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fs.unlinkSync(filename4);
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});
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