deno.land / std@0.166.0 / node / _tools / test / parallel / test-fs-write-buffer.js
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
// 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 path = require('path');const fs = require('fs');const expected = Buffer.from('hello');
const tmpdir = require('../common/tmpdir');tmpdir.refresh();
// fs.write with all parameters provided:{ const filename = path.join(tmpdir.path, 'write1.txt'); fs.open(filename, 'w', 0o644, common.mustSucceed((fd) => { const cb = common.mustSucceed((written) => { assert.strictEqual(written, expected.length); fs.closeSync(fd);
const found = fs.readFileSync(filename, 'utf8'); assert.strictEqual(found, expected.toString()); });
fs.write(fd, expected, 0, expected.length, null, cb); }));}
// fs.write with a buffer, without the length parameter:{ const filename = path.join(tmpdir.path, 'write2.txt'); fs.open(filename, 'w', 0o644, common.mustSucceed((fd) => { const cb = common.mustSucceed((written) => { assert.strictEqual(written, 2); fs.closeSync(fd);
const found = fs.readFileSync(filename, 'utf8'); assert.strictEqual(found, 'lo'); });
fs.write(fd, Buffer.from('hello'), 3, cb); }));}
// fs.write with a buffer, without the offset and length parameters:{ const filename = path.join(tmpdir.path, 'write3.txt'); fs.open(filename, 'w', 0o644, common.mustSucceed((fd) => { const cb = common.mustSucceed((written) => { assert.strictEqual(written, expected.length); fs.closeSync(fd);
const found = fs.readFileSync(filename, 'utf8'); assert.deepStrictEqual(expected.toString(), found); });
fs.write(fd, expected, cb); }));}
// fs.write with the offset passed as undefined followed by the callback:{ const filename = path.join(tmpdir.path, 'write4.txt'); fs.open(filename, 'w', 0o644, common.mustSucceed((fd) => { const cb = common.mustSucceed((written) => { assert.strictEqual(written, expected.length); fs.closeSync(fd);
const found = fs.readFileSync(filename, 'utf8'); assert.deepStrictEqual(expected.toString(), found); });
fs.write(fd, expected, undefined, cb); }));}
// fs.write with offset and length passed as undefined followed by the callback:{ const filename = path.join(tmpdir.path, 'write5.txt'); fs.open(filename, 'w', 0o644, common.mustSucceed((fd) => { const cb = common.mustSucceed((written) => { assert.strictEqual(written, expected.length); fs.closeSync(fd);
const found = fs.readFileSync(filename, 'utf8'); assert.strictEqual(found, expected.toString()); });
fs.write(fd, expected, undefined, undefined, cb); }));}
// fs.write with a Uint8Array, without the offset and length parameters:{ const filename = path.join(tmpdir.path, 'write6.txt'); fs.open(filename, 'w', 0o644, common.mustSucceed((fd) => { const cb = common.mustSucceed((written) => { assert.strictEqual(written, expected.length); fs.closeSync(fd);
const found = fs.readFileSync(filename, 'utf8'); assert.strictEqual(found, expected.toString()); });
fs.write(fd, Uint8Array.from(expected), cb); }));}
// fs.write with invalid offset type{ const filename = path.join(tmpdir.path, 'write7.txt'); fs.open(filename, 'w', 0o644, common.mustSucceed((fd) => { assert.throws(() => { fs.write(fd, Buffer.from('abcd'), NaN, expected.length, 0, common.mustNotCall()); }, { code: 'ERR_OUT_OF_RANGE', name: 'RangeError', message: 'The value of "offset" is out of range. ' + 'It must be an integer. Received NaN' });
fs.closeSync(fd); }));}
// fs.write with a DataView, without the offset and length parameters:{ const filename = path.join(tmpdir.path, 'write8.txt'); fs.open(filename, 'w', 0o644, common.mustSucceed((fd) => { const cb = common.mustSucceed((written) => { assert.strictEqual(written, expected.length); fs.closeSync(fd);
const found = fs.readFileSync(filename, 'utf8'); assert.strictEqual(found, expected.toString()); });
const uint8 = Uint8Array.from(expected); fs.write(fd, new DataView(uint8.buffer), cb); }));}
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