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78 lines
2.1 KiB
78 lines
2.1 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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function build (size) { |
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var array = [] |
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for (var i = 0; i < size; i++) { |
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array.push(42) |
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} |
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return array |
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} |
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test('encode/decode arrays up to 0xffffffff elements', function (t) { |
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var encoder = msgpack() |
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function doTest (array) { |
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t.test('encoding an array with ' + array.length + ' elements', function (t) { |
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var buf = encoder.encode(array) |
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// the array is full of 1-byte integers |
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t.equal(buf.length, 5 + array.length, 'must have the right length') |
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t.equal(buf.readUInt8(0), 0xdd, 'must have the proper header') |
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t.equal(buf.readUInt32BE(1), array.length, 'must include the array length') |
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t.end() |
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}) |
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t.test('mirror test for an array of length ' + array.length, function (t) { |
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t.deepEqual(encoder.decode(encoder.encode(array)), array, 'must stay the same') |
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t.end() |
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}) |
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} |
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doTest(build(0xffff + 1)) |
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doTest(build(0xffff + 42)) |
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// unable to test bigger arrays do to out of memory errors |
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t.end() |
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}) |
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test('decoding an incomplete array', function (t) { |
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var encoder = msgpack() |
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var array = build(0xffff + 42) |
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var buf = Buffer.allocUnsafe(5 + array.length) |
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buf[0] = 0xdd |
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buf.writeUInt32BE(array.length + 10, 1) // set bigger size |
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var pos = 5 |
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for (var i = 0; i < array.length; i++) { |
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var obj = encoder.encode(array[i], true) |
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obj.copy(buf, pos) |
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pos += obj.length |
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} |
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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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test('decoding an incomplete header', function (t) { |
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var encoder = msgpack() |
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var buf = Buffer.allocUnsafe(4) |
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buf[0] = 0xdd |
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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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