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2
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var assert = require('assert'); |
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3
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4
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describe('16-bit to bytes', function() { |
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5
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6
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let byteData = require('../../index.js'); |
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// 16-bit / 2 bytes |
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// signed |
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10
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it('should turn 2 signed 16-bit ints to 4 bytes (0s)', function() { |
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assert.deepEqual(byteData.toBytes([0, 0], 16, {"base": 10}), |
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12
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[0, 0, 0, 0]); |
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}); |
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14
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it('should turn 1 signed 16-bit int to 2 bytes (0)', function() { |
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assert.deepEqual(byteData.toBytes([0], 16, {"base": 10}), |
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16
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[0, 0]); |
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17
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}); |
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18
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it('should turn 2 signed 16-bit ints to 4 bytes (max range)', function() { |
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assert.deepEqual(byteData.toBytes([-32768, 32767], 16, {"base": 10}), |
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20
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[0, 128, 255, 127] |
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21
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); |
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}); |
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it('should turn 1 16-bit signed int to 1 byte hex (-1)', function() { |
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assert.deepEqual(byteData.toBytes([-1], 16, {"base": 16}), |
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25
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['ff', 'ff']); |
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}); |
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// unsigned |
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it('should turn 2 unsigned 16-bit ints to 4 bytes (0s)', function() { |
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assert.deepEqual(byteData.toBytes([0, 0], 16, {"base": 10}), |
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[0, 0, 0, 0]); |
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}); |
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it('should turn 1 unsigned 16-bit int to 2 bytes (0)', function() { |
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assert.deepEqual(byteData.toBytes([0], 16, {"base": 10}), |
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35
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[0, 0]); |
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36
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}); |
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it('should turn 2 unsigned 16-bit ints to 4 bytes (max range)', function() { |
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assert.deepEqual(byteData.toBytes([0, 65535], 16, {"base": 10}), |
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[0, 0, 255, 255] |
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40
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); |
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}); |
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42
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it('should turn 1 unsigned 16-bit int to 2 bytes (0)', function() { |
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assert.deepEqual(byteData.toBytes([765], 16, {"base": 16}), |
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44
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["fd", "02"]); |
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45
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}); |
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47
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// 16-bit floats: 0s |
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48
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it('should turn 2 bytes to 1 16-bit float (0)', function() { |
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49
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assert.deepEqual(byteData.toBytes( |
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[0], 16, {"base": 10, "float": true}), |
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[0, 0]); |
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}); |
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it('should turn 2 bytes hex to 1 16-bit float (0)', function() { |
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assert.deepEqual(byteData.toBytes( |
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55
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[0], 16, {"base": 10, "float": true}), |
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56
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["00", "00"]); |
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57
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}); |
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it('should turn 2 bytes bin to 1 16-bit float (0)', function() { |
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59
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assert.deepEqual(byteData.toBytes( |
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60
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[0], 16, {"base": 2, "float": true}), |
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61
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["00000000", "00000000"]); |
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}); |
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63
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it('should turn 2 bytes hex to 1 16-bit float (1)', function() { |
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assert.deepEqual(byteData.toBytes( |
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65
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[1], 16, {"base": 16, "float": true}), |
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["3c", "00"]); |
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}); |
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68
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it('should turn 2 bytes hex to 1 16-bit float (1/3)', function() { |
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69
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assert.deepEqual(byteData.toBytes( |
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[0.33325], 16, {"base": 16, "float": true}), |
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71
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["35", "55"]); |
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}); |
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it('should turn 2 bytes hex to 1 16-bit float (-2)', function() { |
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assert.deepEqual(byteData.toBytes( |
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[-2], 16, {"base": 16, "float": true}), |
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["c0", "00"]); |
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}); |
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it('should turn 2 bytes hex to 1 16-bit float (65504)', function() { |
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assert.deepEqual(byteData.toBytes( |
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80
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[65504], 16, {"base": 16, "float": true}), |
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81
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["7b", "ff"]); |
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82
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}); |
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it('should turn 4 bytes hex to 2 16-bit float (65504, 0.33325, extra byte)', function() { |
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84
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assert.deepEqual(byteData.toBytes( |
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85
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[65504, 0.33325], 16, {"base": 16, "float": true}), |
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86
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["7b", "ff", "35", "55"]); |
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87
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}); |
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}); |
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89
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rochars /
byte-data
