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'use strict';
require('../common');
var assert = require('assert');
var Readable = require('_stream_readable');
var len = 0;
var chunks = new Array(10);
for (var i = 1; i <= 10; i++) {
chunks[i - 1] = Buffer.allocUnsafe(i);
len += i;
}
var test = new Readable();
var n = 0;
test._read = function(size) {
var chunk = chunks[n++];
setTimeout(function() {
test.push(chunk === undefined ? null : chunk);
});
};
test.on('end', thrower);
function thrower() {
throw new Error('this should not happen!');
}
var bytesread = 0;
test.on('readable', function() {
var b = len - bytesread - 1;
var res = test.read(b);
if (res) {
bytesread += res.length;
console.error('br=%d len=%d', bytesread, len);
setTimeout(next);
}
test.read(0);
});
test.read(0);
function next() {
// now let's make 'end' happen
test.removeListener('end', thrower);
var endEmitted = false;
process.on('exit', function() {
assert(endEmitted, 'end should be emitted by now');
});
test.on('end', function() {
endEmitted = true;
});
// one to get the last byte
var r = test.read();
assert(r);
assert.equal(r.length, 1);
r = test.read();
assert.equal(r, null);
}
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