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59 lines
1.8 KiB
59 lines
1.8 KiB
'use strict' |
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var Buffer = require('safe-buffer').Buffer |
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var test = require('tape').test |
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var msgpack = require('../') |
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var bl = require('bl') |
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test('encode/decode strings with max 31 of length', function (t) { |
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var encoder = msgpack() |
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var all = [] |
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// build base |
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for (var i = ''; i.length < 32; i += 'a') { |
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all.push(i) |
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} |
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all.forEach(function (str) { |
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t.test('encoding a string of length ' + str.length, function (t) { |
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var buf = encoder.encode(str) |
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t.equal(buf.length, 1 + Buffer.byteLength(str), 'must be the proper length') |
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t.equal(buf.readUInt8(0) & 0xe0, 0xa0, 'must have the proper header') |
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t.equal(buf.readUInt8(0) & 0x1f, Buffer.byteLength(str), 'must include the str length') |
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t.equal(buf.toString('utf8', 1, Buffer.byteLength(str) + 2), str, 'must decode correctly') |
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t.end() |
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}) |
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t.test('decoding a string of length ' + str.length, function (t) { |
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var buf = Buffer.allocUnsafe(1 + Buffer.byteLength(str)) |
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buf[0] = 0xa0 | Buffer.byteLength(str) |
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if (str.length > 0) { |
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buf.write(str, 1) |
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} |
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t.equal(encoder.decode(buf), str, 'must decode correctly') |
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t.end() |
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}) |
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t.test('mirror test a string of length ' + str.length, function (t) { |
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t.equal(encoder.decode(encoder.encode(str)), str, 'must stay the same') |
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t.end() |
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}) |
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}) |
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t.end() |
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}) |
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test('decoding a chopped string', function (t) { |
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var encoder = msgpack() |
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var str = 'aaa' |
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var buf = Buffer.allocUnsafe(1 + Buffer.byteLength(str)) |
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buf[0] = 0xa0 | Buffer.byteLength(str) + 2 // set bigger size |
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buf.write(str, 1) |
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buf = bl().append(buf) |
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var origLength = buf.length |
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t.throws(function () { |
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encoder.decode(buf) |
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}, encoder.IncompleteBufferError, 'must throw IncompleteBufferError') |
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t.equals(buf.length, origLength, 'must not consume any byte') |
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t.end() |
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})
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