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55 lines
2.1 KiB
55 lines
2.1 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const fixtures = require('../common/fixtures');
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const assert = require('assert');
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const fs = require('fs');
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const filepath = fixtures.path('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, 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, 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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