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38 lines
1020 B
38 lines
1020 B
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fs = require('fs');
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const path = require('path');
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const { promisify } = require('util');
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common.crashOnUnhandledRejection();
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const read = promisify(fs.read);
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const write = promisify(fs.write);
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const exists = promisify(fs.exists);
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{
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const fd = fs.openSync(__filename, 'r');
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read(fd, Buffer.alloc(1024), 0, 1024, null).then(common.mustCall((obj) => {
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assert.strictEqual(typeof obj.bytesRead, 'number');
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assert(obj.buffer instanceof Buffer);
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fs.closeSync(fd);
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}));
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}
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common.refreshTmpDir();
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{
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const filename = path.join(common.tmpDir, 'write-promise.txt');
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const fd = fs.openSync(filename, 'w');
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write(fd, Buffer.from('foobar')).then(common.mustCall((obj) => {
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assert.strictEqual(typeof obj.bytesWritten, 'number');
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assert.strictEqual(obj.buffer.toString(), 'foobar');
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fs.closeSync(fd);
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}));
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}
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{
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exists(__filename).then(common.mustCall((x) => {
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assert.strictEqual(x, true);
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}));
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}
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