node/test/parallel/test-stream-duplex-end.js
Masashi Hirano 383b1b6d3c test: add tests for end event of stream.Duplex
Added tests to check the stream will automatically end the writable side
when readable side ends when allowHalfOpen option is false.

PR-URL: https://github.com/nodejs/node/pull/21325
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
2018-06-22 13:25:48 -07:00

42 lines
948 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const Duplex = require('stream').Duplex;
{
const stream = new Duplex({
read() {}
});
assert.strictEqual(stream.allowHalfOpen, true);
stream.on('finish', common.mustNotCall());
assert.strictEqual(stream.listenerCount('end'), 0);
stream.resume();
stream.push(null);
}
{
const stream = new Duplex({
read() {},
allowHalfOpen: false
});
assert.strictEqual(stream.allowHalfOpen, false);
stream.on('finish', common.mustCall());
assert.strictEqual(stream.listenerCount('end'), 1);
stream.resume();
stream.push(null);
}
{
const stream = new Duplex({
read() {},
allowHalfOpen: false
});
assert.strictEqual(stream.allowHalfOpen, false);
stream._writableState.ended = true;
stream.on('finish', common.mustNotCall());
assert.strictEqual(stream.listenerCount('end'), 1);
stream.resume();
stream.push(null);
}