mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.2 KiB
54 lines
1.2 KiB
'use strict';
|
|
const common = require('../common');
|
|
var assert = require('assert');
|
|
|
|
// If everything aligns so that you do a read(n) of exactly the
|
|
// remaining buffer, then make sure that 'end' still emits.
|
|
|
|
var READSIZE = 100;
|
|
var PUSHSIZE = 20;
|
|
var PUSHCOUNT = 1000;
|
|
var HWM = 50;
|
|
|
|
var Readable = require('stream').Readable;
|
|
var r = new Readable({
|
|
highWaterMark: HWM
|
|
});
|
|
var rs = r._readableState;
|
|
|
|
r._read = push;
|
|
|
|
r.on('readable', function() {
|
|
console.error('>> readable');
|
|
do {
|
|
console.error(' > read(%d)', READSIZE);
|
|
var ret = r.read(READSIZE);
|
|
console.error(' < %j (%d remain)', ret && ret.length, rs.length);
|
|
} while (ret && ret.length === READSIZE);
|
|
|
|
console.error('<< after read()',
|
|
ret && ret.length,
|
|
rs.needReadable,
|
|
rs.length);
|
|
});
|
|
|
|
r.on('end', common.mustCall(function() {}));
|
|
|
|
var pushes = 0;
|
|
function push() {
|
|
if (pushes > PUSHCOUNT)
|
|
return;
|
|
|
|
if (pushes++ === PUSHCOUNT) {
|
|
console.error(' push(EOF)');
|
|
return r.push(null);
|
|
}
|
|
|
|
console.error(' push #%d', pushes);
|
|
if (r.push(Buffer.allocUnsafe(PUSHSIZE)))
|
|
setTimeout(push);
|
|
}
|
|
|
|
process.on('exit', function() {
|
|
assert.equal(pushes, PUSHCOUNT + 1);
|
|
});
|
|
|