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327c6734cb
Refactor the code for the test-fs-write-sync to avoid code repetition and to make it simpler. PR-URL: https://github.com/nodejs/node/pull/28371 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
57 lines
2.1 KiB
JavaScript
57 lines
2.1 KiB
JavaScript
// 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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require('../common');
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const assert = require('assert');
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const path = require('path');
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const fs = require('fs');
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const tmpdir = require('../common/tmpdir');
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const filename = path.join(tmpdir.path, 'write.txt');
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tmpdir.refresh();
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{
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const parameters = [Buffer.from('bár'), 0, Buffer.byteLength('bár')];
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// The first time fs.writeSync is called with all parameters provided.
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// After that, each pop in the cycle removes the final parameter. So:
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// - The 2nd time fs.writeSync with a buffer, without the length parameter.
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// - The 3rd time fs.writeSync with a buffer, without the offset and length
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// parameters.
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while (parameters.length > 0) {
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const fd = fs.openSync(filename, 'w');
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let written = fs.writeSync(fd, '');
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assert.strictEqual(written, 0);
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fs.writeSync(fd, 'foo');
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written = fs.writeSync(fd, ...parameters);
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assert.ok(written > 3);
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fs.closeSync(fd);
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assert.strictEqual(fs.readFileSync(filename, 'utf-8'), 'foobár');
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parameters.pop();
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}
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}
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