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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>
28 lines
666 B
JavaScript
28 lines
666 B
JavaScript
'use strict';
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const assert = require('assert');
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const common = require('../common');
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const fs = require('fs');
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const path = require('path');
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const dirName = path.resolve(common.fixturesDir, 'test-readfile-unlink');
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const fileName = path.resolve(dirName, 'test.bin');
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var buf = Buffer.alloc(512 * 1024, 42);
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try {
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fs.mkdirSync(dirName);
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} catch (e) {
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// Ignore if the directory already exists.
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if (e.code != 'EEXIST') throw e;
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}
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fs.writeFileSync(fileName, buf);
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fs.readFile(fileName, function(err, data) {
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assert.ifError(err);
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assert(data.length == buf.length);
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assert.strictEqual(buf[0], 42);
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fs.unlinkSync(fileName);
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fs.rmdirSync(dirName);
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});
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