nodejs/test/parallel/test-fs-write-stream.js

68 lines
2.1 KiB
JavaScript

// 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 file = path.join(tmpdir.path, 'write.txt');
tmpdir.refresh();
{
const stream = fs.WriteStream(file);
const _fs_close = fs.close;
fs.close = function(fd) {
assert.ok(fd, 'fs.close must not be called without an undefined fd.');
fs.close = _fs_close;
};
stream.destroy();
}
{
const stream = fs.createWriteStream(file);
stream.on('drain', function() {
assert.fail('\'drain\' event must not be emitted before ' +
'stream.write() has been called at least once.');
});
stream.destroy();
}
// Throws if data is not of type Buffer.
{
const stream = fs.createWriteStream(file);
stream.on('error', common.expectsError({
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
}));
stream.write(42, null, common.expectsError({
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
}));
stream.destroy();
}