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85ab4a5f12
Several changes:
* Soft-Deprecate Buffer() constructors
* Add `Buffer.from()`, `Buffer.alloc()`, and `Buffer.allocUnsafe()`
* Add `--zero-fill-buffers` command line option
* Add byteOffset and length to `new Buffer(arrayBuffer)` constructor
* buffer.fill('') previously had no effect, now zero-fills
* Update the docs
PR-URL: https://github.com/nodejs/node/pull/4682
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
24 lines
529 B
JavaScript
24 lines
529 B
JavaScript
'use strict';
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var common = require('../common');
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var assert = require('assert');
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var path = require('path');
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var fs = require('fs');
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var fn = path.join(common.tmpDir, 'write.txt');
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common.refreshTmpDir();
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var foo = 'foo';
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var fd = fs.openSync(fn, 'w');
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var written = fs.writeSync(fd, '');
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assert.strictEqual(0, written);
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fs.writeSync(fd, foo);
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var bar = 'bár';
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written = fs.writeSync(fd, Buffer.from(bar), 0, Buffer.byteLength(bar));
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assert.ok(written > 3);
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fs.closeSync(fd);
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assert.equal(fs.readFileSync(fn), 'foobár');
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