test: stream readableListening internal state

PR-URL: https://github.com/nodejs/node/pull/9864
Refs: https://github.com/nodejs/node/issues/8683
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
This commit is contained in:
Italo A. Casas 2016-11-30 20:48:58 -05:00
parent aa77b767b6
commit 8dbf1aff3a

View File

@ -0,0 +1,34 @@
'use strict';
const common = require('../common');
const assert = require('assert');
const stream = require('stream');
const r = new stream.Readable({
read: () => {}
});
// readableListening state should start in `false`.
assert.strictEqual(r._readableState.readableListening, false);
r.on('readable', common.mustCall(() => {
// Inside the readable event this state should be true.
assert.strictEqual(r._readableState.readableListening, true);
}));
r.push(Buffer.from('Testing readableListening state'));
const r2 = new stream.Readable({
read: () => {}
});
// readableListening state should start in `false`.
assert.strictEqual(r2._readableState.readableListening, false);
r2.on('data', common.mustCall((chunk) => {
// readableListening should be false because we don't have
// a `readable` listener
assert.strictEqual(r2._readableState.readableListening, false);
}));
r2.push(Buffer.from('Testing readableListening state'));