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4537cf2377
* Favor use of strictEqual where possible * Use const as appropriate * Other miscellaneous cleanups PR-URL: https://github.com/nodejs/node/pull/8283 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <mic.besace@gmail.com>
41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const zero = [];
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const one = [ Buffer.from('asdf') ];
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const long = [];
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for (var i = 0; i < 10; i++) long.push(Buffer.from('asdf'));
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const flatZero = Buffer.concat(zero);
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const flatOne = Buffer.concat(one);
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const flatLong = Buffer.concat(long);
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const flatLongLen = Buffer.concat(long, 40);
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assert.strictEqual(flatZero.length, 0);
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assert.strictEqual(flatOne.toString(), 'asdf');
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const check = new Array(10 + 1).join('asdf');
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// A special case where concat used to return the first item,
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// if the length is one. This check is to make sure that we don't do that.
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assert.notStrictEqual(flatOne, one[0]);
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assert.strictEqual(flatLong.toString(), check);
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assert.strictEqual(flatLongLen.toString(), check);
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assertWrongList();
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assertWrongList(null);
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assertWrongList(Buffer.from('hello'));
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assertWrongList([42]);
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assertWrongList(['hello', 'world']);
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assertWrongList(['hello', Buffer.from('world')]);
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function assertWrongList(value) {
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assert.throws(() => {
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Buffer.concat(value);
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}, function(err) {
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return err instanceof TypeError &&
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err.message === '"list" argument must be an Array of Buffers';
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});
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}
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