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| Current File : //home/ubuntu/node-v16.18.1/test/parallel/test-fs-stream-construct-compat-error-write.js |
'use strict';
const common = require('../common');
const fs = require('fs');
const assert = require('assert');
const debuglog = (arg) => {
console.log(new Date().toLocaleString(), arg);
};
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
{
// Compat error.
debuglog('start test');
function WriteStream(...args) {
debuglog('WriteStream constructor');
fs.WriteStream.call(this, ...args);
}
Object.setPrototypeOf(WriteStream.prototype, fs.WriteStream.prototype);
Object.setPrototypeOf(WriteStream, fs.WriteStream);
WriteStream.prototype.open = common.mustCall(function WriteStream$open() {
debuglog('WriteStream open() callback');
const that = this;
fs.open(that.path, that.flags, that.mode, (err, fd) => {
debuglog('inner fs open() callback');
that.emit('error', err);
});
});
fs.open(`${tmpdir.path}/dummy`, 'wx+', common.mustCall((err, fd) => {
debuglog('fs open() callback');
assert.ifError(err);
fs.close(fd, () => { debuglog(`closed ${fd}`); });
const w = new WriteStream(`${tmpdir.path}/dummy`,
{ flags: 'wx+', emitClose: true })
.on('error', common.mustCall((err) => {
debuglog('error event callback');
assert.strictEqual(err.code, 'EEXIST');
w.destroy();
w.on('close', common.mustCall(() => {
debuglog('close event callback');
}));
}));
}));
debuglog('waiting for callbacks');
}
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