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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const tmpdir = require('../common/tmpdir');
const fn = path.join(tmpdir.path, 'write.txt');
tmpdir.refresh();
const file = fs.createWriteStream(fn, {
highWaterMark: 10
});
const EXPECTED = '012345678910';
const callbacks = {
open: -1,
drain: -2,
close: -1
};
file
.on('open', function(fd) {
console.error('open!');
callbacks.open++;
assert.strictEqual(typeof fd, 'number');
})
.on('error', function(err) {
throw err;
})
.on('drain', function() {
console.error('drain!', callbacks.drain);
callbacks.drain++;
if (callbacks.drain === -1) {
assert.strictEqual(fs.readFileSync(fn, 'utf8'), EXPECTED);
file.write(EXPECTED);
} else if (callbacks.drain === 0) {
assert.strictEqual(fs.readFileSync(fn, 'utf8'), EXPECTED + EXPECTED);
file.end();
}
})
.on('close', function() {
console.error('close!');
assert.strictEqual(file.bytesWritten, EXPECTED.length * 2);
callbacks.close++;
common.expectsError(
() => {
console.error('write after end should not be allowed');
file.write('should not work anymore');
},
{
code: 'ERR_STREAM_WRITE_AFTER_END',
type: Error,
message: 'write after end'
}
);
fs.unlinkSync(fn);
});
for (let i = 0; i < 11; i++) {
file.write(`${i}`);
}
process.on('exit', function() {
for (const k in callbacks) {
assert.strictEqual(callbacks[k], 0, `${k} count off by ${callbacks[k]}`);
}
console.log('ok');
});