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67 lines
1.9 KiB
67 lines
1.9 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 32-bits float numbers', function (t) { |
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var encoder = msgpack() |
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var allNum = [] |
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allNum.push(-222.42) |
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allNum.push(748364.2) |
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allNum.push(2.2) |
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allNum.forEach(function (num) { |
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t.test('encoding ' + num, function (t) { |
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var buf = encoder.encode(num) |
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var dec = buf.readFloatBE(1) |
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t.equal(buf.length, 5, 'must have 5 bytes') |
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t.equal(buf[0], 0xca, 'must have the proper header') |
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t.true(Math.abs(dec - num) < 0.1, 'must decode correctly') |
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t.end() |
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}) |
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t.test('forceFloat64 encoding ' + num, function (t) { |
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var enc = msgpack({ forceFloat64: true }) |
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var buf = enc.encode(num) |
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var dec = buf.readDoubleBE(1) |
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t.equal(buf.length, 9, 'must have 9 bytes') |
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t.equal(buf[0], 0xcb, 'must have the proper header') |
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t.true(Math.abs(dec - num) < 0.1, 'must decode correctly') |
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t.end() |
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}) |
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t.test('decoding ' + num, function (t) { |
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var buf = Buffer.allocUnsafe(5) |
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var dec |
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buf[0] = 0xca |
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buf.writeFloatBE(num, 1) |
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dec = encoder.decode(buf) |
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t.true(Math.abs(dec - num) < 0.1, 'must decode correctly') |
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t.end() |
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}) |
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t.test('mirror test ' + num, function (t) { |
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var dec = encoder.decode(encoder.encode(num)) |
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t.true(Math.abs(dec - num) < 0.1, 'must decode correctly') |
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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 32-bits float numbers', function (t) { |
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var encoder = msgpack() |
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var buf = Buffer.allocUnsafe(4) |
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buf[0] = 0xca |
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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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