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52 lines
1.8 KiB
52 lines
1.8 KiB
'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 Buffer = require('buffer').Buffer;
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const fs = require('fs');
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const fn = path.join(common.tmpDir, 'write.txt');
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const fn2 = path.join(common.tmpDir, 'write2.txt');
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const expected = 'ümlaut.';
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const constants = fs.constants;
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common.refreshTmpDir();
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fs.open(fn, 'w', 0o644, common.mustCall(function(err, fd) {
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assert.ifError(err);
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console.log('open done');
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fs.write(fd, '', 0, 'utf8', function(err, written) {
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assert.strictEqual(0, written);
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});
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fs.write(fd, expected, 0, 'utf8', common.mustCall(function(err, written) {
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console.log('write done');
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assert.ifError(err);
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assert.strictEqual(Buffer.byteLength(expected), written);
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fs.closeSync(fd);
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const found = fs.readFileSync(fn, 'utf8');
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console.log('expected: "%s"', expected);
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console.log('found: "%s"', found);
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fs.unlinkSync(fn);
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assert.strictEqual(expected, found);
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}));
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}));
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fs.open(fn2, constants.O_CREAT | constants.O_WRONLY | constants.O_TRUNC, 0o644,
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common.mustCall((err, fd) => {
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assert.ifError(err);
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console.log('open done');
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fs.write(fd, '', 0, 'utf8', (err, written) => {
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assert.strictEqual(0, written);
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});
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fs.write(fd, expected, 0, 'utf8', common.mustCall((err, written) => {
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console.log('write done');
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assert.ifError(err);
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assert.strictEqual(Buffer.byteLength(expected), written);
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fs.closeSync(fd);
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const found = fs.readFileSync(fn2, 'utf8');
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console.log('expected: "%s"', expected);
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console.log('found: "%s"', found);
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fs.unlinkSync(fn2);
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assert.strictEqual(expected, found);
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}));
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}));
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