mirror of
https://github.com/idanoo/GoScrobble.git
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41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
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'use strict';
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var Buffer = require('../../').Buffer;
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var assert = require('assert');
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var zero = [];
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var one = [ Buffer.from('asdf') ];
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var long = [];
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for (var i = 0; i < 10; i++) long.push(Buffer.from('asdf'));
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var flatZero = Buffer.concat(zero);
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var flatOne = Buffer.concat(one);
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var flatLong = Buffer.concat(long);
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var flatLongLen = Buffer.concat(long, 40);
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assert(flatZero.length === 0);
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assert(flatOne.toString() === '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(flatOne !== one[0]);
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assert(flatLong.toString() === (new Array(10 + 1).join('asdf')));
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assert(flatLongLen.toString() === (new Array(10 + 1).join('asdf')));
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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(function() {
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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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