// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; const common = require('../common'); const assert = require('assert'); const fs = require('fs'); const tmpdir = require('../common/tmpdir'); tmpdir.refresh(); const filename = tmpdir.resolve('test.txt'); const fixtures = require('../common/fixtures'); const s = fixtures.utf8TestText; fs.writeFile(filename, s, common.mustSucceed(() => { fs.readFile(filename, common.mustSucceed((buffer) => { assert.strictEqual(Buffer.byteLength(s), buffer.length); })); })); // Test that writeFile accepts buffers. const filename2 = tmpdir.resolve('test2.txt'); const buf = Buffer.from(s, 'utf8'); fs.writeFile(filename2, buf, common.mustSucceed(() => { fs.readFile(filename2, common.mustSucceed((buffer) => { assert.strictEqual(buf.length, buffer.length); })); })); // Test that writeFile accepts file descriptors. const filename4 = tmpdir.resolve('test4.txt'); fs.open(filename4, 'w+', common.mustSucceed((fd) => { fs.writeFile(fd, s, common.mustSucceed(() => { fs.close(fd, common.mustSucceed(() => { fs.readFile(filename4, common.mustSucceed((buffer) => { assert.strictEqual(Buffer.byteLength(s), buffer.length); })); })); })); })); { // Test that writeFile is cancellable with an AbortSignal. // Before the operation has started const controller = new AbortController(); const signal = controller.signal; const filename3 = tmpdir.resolve('test3.txt'); fs.writeFile(filename3, s, { signal }, common.mustCall((err) => { assert.strictEqual(err.name, 'AbortError'); })); controller.abort(); } { // Test that writeFile is cancellable with an AbortSignal. // After the operation has started const controller = new AbortController(); const signal = controller.signal; const filename4 = tmpdir.resolve('test5.txt'); fs.writeFile(filename4, s, { signal }, common.mustCall((err) => { assert.strictEqual(err.name, 'AbortError'); })); process.nextTick(() => controller.abort()); } { // Test read-only mode const filename = tmpdir.resolve('test6.txt'); fs.writeFileSync(filename, ''); fs.writeFile(filename, s, { flag: 'r' }, common.expectsError(/EBADF/)); }