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35 lines
1.0 KiB
35 lines
1.0 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 filepath = path.join(common.fixturesDir, 'x.txt');
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const fd = fs.openSync(filepath, 'r');
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const expected = Buffer.from('xyz\n');
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function test(bufferAsync, bufferSync, expected) {
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fs.read(fd,
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bufferAsync,
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0,
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expected.length,
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0,
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common.mustCall((err, bytesRead) => {
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assert.ifError(err);
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assert.strictEqual(bytesRead, expected.length);
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assert.deepStrictEqual(bufferAsync, Buffer.from(expected));
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}));
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const r = fs.readSync(fd, bufferSync, 0, expected.length, 0);
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assert.deepStrictEqual(bufferSync, Buffer.from(expected));
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assert.strictEqual(r, expected.length);
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}
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test(Buffer.allocUnsafe(expected.length),
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Buffer.allocUnsafe(expected.length),
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expected);
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test(new Uint8Array(expected.length),
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new Uint8Array(expected.length),
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Uint8Array.from(expected));
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