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.
40 lines
1.2 KiB
40 lines
1.2 KiB
'use strict';
|
|
require('../common');
|
|
const assert = require('assert');
|
|
|
|
const zero = [];
|
|
const one = [ Buffer.from('asdf') ];
|
|
const long = [];
|
|
for (var i = 0; i < 10; i++) long.push(Buffer.from('asdf'));
|
|
|
|
const flatZero = Buffer.concat(zero);
|
|
const flatOne = Buffer.concat(one);
|
|
const flatLong = Buffer.concat(long);
|
|
const flatLongLen = Buffer.concat(long, 40);
|
|
|
|
assert.strictEqual(flatZero.length, 0);
|
|
assert.strictEqual(flatOne.toString(), 'asdf');
|
|
|
|
const check = new Array(10 + 1).join('asdf');
|
|
|
|
// A special case where concat used to return the first item,
|
|
// if the length is one. This check is to make sure that we don't do that.
|
|
assert.notStrictEqual(flatOne, one[0]);
|
|
assert.strictEqual(flatLong.toString(), check);
|
|
assert.strictEqual(flatLongLen.toString(), check);
|
|
|
|
assertWrongList();
|
|
assertWrongList(null);
|
|
assertWrongList(Buffer.from('hello'));
|
|
assertWrongList([42]);
|
|
assertWrongList(['hello', 'world']);
|
|
assertWrongList(['hello', Buffer.from('world')]);
|
|
|
|
function assertWrongList(value) {
|
|
assert.throws(() => {
|
|
Buffer.concat(value);
|
|
}, function(err) {
|
|
return err instanceof TypeError &&
|
|
err.message === '"list" argument must be an Array of Buffers';
|
|
});
|
|
}
|
|
|