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48 lines
1.6 KiB
48 lines
1.6 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('encoding/decoding 64-bits big-endian signed integers', function (t) { |
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var encoder = msgpack() |
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var table = [ |
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{ num: -9007199254740991, hi: 0xffe00000, lo: 0x00000001 }, |
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{ num: -4294967297, hi: 0xfffffffe, lo: 0xffffffff }, |
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{ num: -4294967296, hi: 0xffffffff, lo: 0x00000000 }, |
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{ num: -4294967295, hi: 0xffffffff, lo: 0x00000001 }, |
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{ num: -214748365, hi: 0xffffffff, lo: 0xf3333333 } |
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] |
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table.forEach(function (testCase) { |
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t.test('encoding ' + testCase.num, function (t) { |
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var buf = encoder.encode(testCase.num) |
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t.equal(buf.length, 9, 'must have 9 bytes') |
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t.equal(buf[0], 0xd3, 'must have the proper header') |
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t.equal(buf.readUInt32BE(1), testCase.hi, 'hi word must be properly written') |
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t.equal(buf.readUInt32BE(5), testCase.lo, 'lo word must be properly written') |
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t.end() |
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}) |
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t.test('mirror test ' + testCase.num, function (t) { |
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t.equal(encoder.decode(encoder.encode(testCase.num)), testCase.num, '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 an incomplete 64-bits big-endian signed integer', function (t) { |
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var encoder = msgpack() |
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var buf = Buffer.allocUnsafe(8) |
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buf[0] = 0xd3 |
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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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