test: use correct size in test-stream-buffer-list

The `n` argument of `BufferList.prototype.concat()` is not the number
of `Buffer` instances in the list, but their total length when
concatenated.

PR-URL: https://github.com/nodejs/node/pull/18239
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
This commit is contained in:
Luigi Pinca 2018-01-18 18:51:09 +01:00
parent 80b3acca07
commit 2313424abc

View File

@ -15,16 +15,21 @@ assert.strictEqual(emptyList.join(','), '');
assert.deepStrictEqual(emptyList.concat(0), Buffer.alloc(0));
const buf = Buffer.from('foo');
// Test buffer list with one element.
const list = new BufferList();
list.push('foo');
list.push(buf);
assert.strictEqual(list.concat(1), 'foo');
const copy = list.concat(3);
assert.notStrictEqual(copy, buf);
assert.deepStrictEqual(copy, buf);
assert.strictEqual(list.join(','), 'foo');
const shifted = list.shift();
assert.strictEqual(shifted, 'foo');
assert.strictEqual(shifted, buf);
assert.deepStrictEqual(list, new BufferList());
const tmp = util.inspect.defaultOptions.colors;