74 lines
2.6 KiB
JavaScript
74 lines
2.6 KiB
JavaScript
'use strict';
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require('../../helper');
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var assert = require('assert');
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var ArrayBufferSer = require('../../../lib/models/bin-encoder');
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describe('ArrayBufferSer', function () {
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it('calculate size for basic types', function () {
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var b = new ArrayBufferSer(ArrayBufferSer.INT16, [1, 2, 3, 4]);
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assert.equal(4 * 2, b.getDataSize());
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b = new ArrayBufferSer(ArrayBufferSer.INT8, [1, 2, 3, 4]);
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assert.equal(4, b.getDataSize());
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b = new ArrayBufferSer(ArrayBufferSer.INT32, [1, 2, 3, 4]);
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assert.equal(4 * 4, b.getDataSize());
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});
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it('calculate size for arrays', function () {
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var b = new ArrayBufferSer(ArrayBufferSer.STRING, ['test', 'kease']);
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assert.equal((b.headerSize + 4 + 5) * 2, b.getDataSize());
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var ba = new ArrayBufferSer(ArrayBufferSer.INT16, [1, 2, 3, 4]);
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var bc = new ArrayBufferSer(ArrayBufferSer.INT16, [1, 4]);
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b = new ArrayBufferSer(ArrayBufferSer.BUFFER, [ba, bc]);
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assert.equal((b.headerSize + 4 + 2) * 2, b.getDataSize());
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assert.equal(b.type, ArrayBufferSer.BUFFER);
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});
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function assert_buffer_equals (a, b) {
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assert.equal(a.length, b.length);
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for (var i = 0; i < a.length; ++i) {
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assert.equal(a[i], b[i], 'byte i ' + i + ' is different: ' + a[i] + ' != ' + b[i]);
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}
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}
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it('binary data is ok', function () {
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var b = new ArrayBufferSer(ArrayBufferSer.INT16, [1, 2, 3, 4]);
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var bf = new Buffer([0, 0, 0, ArrayBufferSer.INT16, 0, 0, 0, 8, 1, 0, 2, 0, 3, 0, 4, 0]);
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assert_buffer_equals(bf, b.buffer);
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});
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it('binary data is ok with arrays', function () {
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var ba = new ArrayBufferSer(ArrayBufferSer.INT16, [1, 2, 3, 4]);
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var bc = new ArrayBufferSer(ArrayBufferSer.INT16, [1, 4]);
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var b = new ArrayBufferSer(ArrayBufferSer.BUFFER, [ba, bc]);
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var bf = new Buffer([
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0, 0, 0, ArrayBufferSer.BUFFER, // type
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0, 0, 0, 28,
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0, 0, 0, ArrayBufferSer.INT16, 0, 0, 0, 8, 1, 0, 2, 0, 3, 0, 4, 0,
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0, 0, 0, ArrayBufferSer.INT16, 0, 0, 0, 4, 1, 0, 4, 0]);
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assert_buffer_equals(bf, b.buffer);
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});
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it('binary data is ok with strings', function () {
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var s = 'test';
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var b = new ArrayBufferSer(ArrayBufferSer.STRING, [s]);
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var bf = new Buffer([
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0, 0, 0, ArrayBufferSer.STRING, // type
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0, 0, 0, 16,
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0, 0, 0, ArrayBufferSer.UINT16,
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0, 0, 0, 8,
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s.charCodeAt(0), 0,
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s.charCodeAt(1), 0,
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s.charCodeAt(2), 0,
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s.charCodeAt(3), 0
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]);
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assert_buffer_equals(bf, b.buffer);
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});
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});
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