nodejs/test/parallel/test-stream-duplex-end.js

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);
}