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5ded044dea
Repeat writes until data is queued in memory, rather than assuming that it will happen by a certain point. Fixes: https://github.com/nodejs/node/issues/33135 PR-URL: https://github.com/nodejs/node/pull/33329 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
89 lines
2.7 KiB
JavaScript
89 lines
2.7 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 net = require('net');
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const debuglog = require('util').debuglog('test');
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let chars_recved = 0;
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let npauses = 0;
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let totalLength = 0;
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const server = net.createServer((connection) => {
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const body = 'C'.repeat(1024);
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let n = 1;
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debuglog('starting write loop');
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while (connection.write(body)) {
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n++;
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}
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debuglog('ended write loop');
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// Now that we're throttled, do some more writes to make sure the data isn't
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// lost.
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connection.write(body);
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connection.write(body);
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n += 2;
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totalLength = n * body.length;
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assert.ok(connection.bufferSize >= 0, `bufferSize: ${connection.bufferSize}`);
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assert.ok(
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connection.writableLength <= totalLength,
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`writableLength: ${connection.writableLength}, totalLength: ${totalLength}`
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);
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connection.end();
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});
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server.listen(0, () => {
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const port = server.address().port;
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debuglog(`server started on port ${port}`);
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let paused = false;
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const client = net.createConnection(port);
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client.setEncoding('ascii');
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client.on('data', (d) => {
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chars_recved += d.length;
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debuglog(`got ${chars_recved}`);
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if (!paused) {
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client.pause();
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npauses += 1;
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paused = true;
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debuglog('pause');
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const x = chars_recved;
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setTimeout(() => {
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assert.strictEqual(chars_recved, x);
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client.resume();
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debuglog('resume');
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paused = false;
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}, 100);
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}
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});
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client.on('end', () => {
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server.close();
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client.end();
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});
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});
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process.on('exit', () => {
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assert.strictEqual(chars_recved, totalLength);
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assert.strictEqual(npauses > 2, true);
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});
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