75 lines
2.4 KiB
JavaScript
75 lines
2.4 KiB
JavaScript
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require('../../helper');
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var assert = require('assert');
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var ArrayBufferSer = require('../../../app/models/bin_encoder')
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suite('ArrayBufferSer', function() {
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test('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*1, 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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test('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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test('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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test('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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test('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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