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stream: encapsulate buffer-list

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PR-URL: https://github.com/nodejs/node/pull/28974
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
This commit is contained in:
Robert Nagy 2019-08-05 13:26:29 +02:00 • committed by Rich Trott
parent 8fdd634517
commit c15b4969e9
3 changed files with 30 additions and 7 deletions
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18
test/parallel/test-stream-buffer-list.js
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@ -16,11 +16,28 @@ assert.deepStrictEqual(emptyList.concat(0), Buffer.alloc(0));
const buf = Buffer.from('foo');
function testIterator(list, count) {
// test iterator
let len = 0;
// eslint-disable-next-line no-unused-vars
for (const x of list) {
len++;
}
assert.strictEqual(len, count);
}
// Test buffer list with one element.
const list = new BufferList();
testIterator(list, 0);
list.push(buf);
testIterator(list, 1);
for (const x of list) {
assert.strictEqual(x, buf);
}
const copy = list.concat(3);
testIterator(copy, 3);
assert.notStrictEqual(copy, buf);
assert.deepStrictEqual(copy, buf);
@ -28,5 +45,6 @@ assert.deepStrictEqual(copy, buf);
assert.strictEqual(list.join(','), 'foo');
const shifted = list.shift();
testIterator(list, 0);
assert.strictEqual(shifted, buf);
assert.deepStrictEqual(list, new BufferList());