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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('48-bit from 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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7
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8
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it('should turn 6 bytes (hex) to 1 unsigned 48-bit int (max range)', |
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9
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function() { |
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10
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assert.deepEqual(byteData.fromBytes( |
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11
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[0,0,0,0,0,0], 48, {"base": 10, "signed": false}), |
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12
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[0]); |
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13
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}); |
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14
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it('should turn 6 bytes (hex) to 1 unsigned 48-bit int (max range)', |
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function() { |
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16
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assert.deepEqual(byteData.fromBytes( |
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17
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["ff","ff","ff","ff","ff","ff"], 48, {"base": 16, "signed": false}), |
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18
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[281474976710655]); |
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}); |
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20
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it('should turn 5 bytes (hex) to 0 unsigned 48-bit int (not enough bytes)', |
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function() { |
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22
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assert.deepEqual(byteData.fromBytes( |
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23
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["ff","ff","ff","ff","ff"], 48, {"base": 16, "signed": false}), |
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24
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[]); |
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25
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}); |
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (max range)', |
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function() { |
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28
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assert.deepEqual(byteData.fromBytes( |
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29
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["ff","ff","ff","ff","ff","7f"], 48, {"base": 16, "signed": true}), |
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30
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[140737488355327]); |
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31
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}); |
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32
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (min range)', |
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33
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function() { |
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34
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assert.deepEqual(byteData.fromBytes( |
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35
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["00","00","00","00","00","80"], 48, {"base": 16, "signed": true}), |
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36
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[-140737488355328]); |
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37
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}); |
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38
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39
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// 40 bit tests should work the same with 48-bit |
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40
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it('should turn 6 bytes (hex) to 1 unsigned 48-bit int (65535)', |
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41
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function() { |
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42
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assert.deepEqual(byteData.fromBytes( |
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43
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["ff","ff","0","0","0","0"], 48, {"base": 16, "signed": false}), |
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44
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[65535]); |
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45
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}); |
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46
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it('should turn 6 bytes (hex) to 1 unsigned 48-bit int (32767)', |
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47
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function() { |
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48
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assert.deepEqual(byteData.fromBytes( |
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49
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["ff","7f","0","0","0", "00"], 48, {"base": 16, "signed": false}), |
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50
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[32767]); |
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51
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}); |
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52
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it('should turn 6 bytes (hex) to 1 unsigned 48-bit int (549755813887)', |
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53
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function() { |
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54
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assert.deepEqual(byteData.fromBytes( |
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55
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["ff","ff","ff","ff","7f", "00"], 48, {"base": 16, "signed": false}), |
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56
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[549755813887]); |
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57
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}); |
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it('should turn 6 bytes (bin) to 1 unsigned 48-bit int (500000000080)', |
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59
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function() { |
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60
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assert.deepEqual(byteData.fromBytes( |
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61
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["01010000", "10001000", "01010010", "01101010", "01110100", "00000000" ], |
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62
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48, |
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63
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{"base": 2, "signed": false}), |
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64
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[500000000080]); |
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}); |
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it('should turn 6 bytes (dec) to 1 unsigned 48-bit int (max 40-bit range)', |
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function() { |
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68
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assert.deepEqual(byteData.fromBytes( |
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69
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["ff","ff","ff","ff","ff","00"], 48, {"base": 16, "signed": false}), |
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70
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[1099511627775]); |
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71
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}); |
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72
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it('should turn 6 bytes (bin) to 1 unsigned 48-bit int (max 40-bit range)', |
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function() { |
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74
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assert.deepEqual(byteData.fromBytes( |
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75
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[255,255,255,255,255, 0], 48, {"base": 10, "signed": false}), |
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76
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[1099511627775]); |
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77
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}); |
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it('should turn 6 bytes (bin) to 1 unsigned 48-bit int (max 48-bit range)', |
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function() { |
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80
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assert.deepEqual(byteData.fromBytes( |
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81
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[255,255,255,255,255, 255], 48, {"base": 10, "signed": false}), |
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82
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[281474976710655]); |
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83
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}); |
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84
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85
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it('should turn 6 bytes (hex) to 1 unsigned 48-bit int (149515627075)', |
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86
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function() { |
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87
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assert.deepEqual(byteData.fromBytes( |
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88
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["43","6a", "d3","cf","22","00"], 48, {"base": 16, "signed": false}), |
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89
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[149515627075]); |
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90
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}); |
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it('should turn 6 bytes (bin) to 1 unsigned 48-bit int (149515627075)', |
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92
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function() { |
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93
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assert.deepEqual(byteData.fromBytes( |
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94
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["01000011","01101010", "11010011","11001111","00100010","00000000"], |
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95
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48, {"base": 2, "signed": false}), |
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96
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[149515627075]); |
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97
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}); |
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98
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it('should turn 6 bytes (bin) to 1 unsigned 48-bit int (149515627075) (padding)', |
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function() { |
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100
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assert.deepEqual(byteData.fromBytes( |
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101
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["1000011","1101010", "11010011","11001111","100010","00000000"], |
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102
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48, {"base": 2, "signed": false}), |
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103
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[149515627075]); |
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}); |
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105
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106
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// 48 bit signed |
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-32768)', |
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function() { |
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109
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assert.deepEqual(byteData.fromBytes( |
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110
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["0","80","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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111
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[-32768]); |
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112
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}); |
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113
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-65535)', |
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114
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function() { |
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115
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assert.deepEqual(byteData.fromBytes( |
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116
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["1","0","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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117
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[-65535]); |
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118
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}); |
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119
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120
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-1)', |
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function() { |
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122
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assert.deepEqual(byteData.fromBytes( |
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123
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["ff","ff","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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124
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[-1]); |
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125
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}); |
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-2)', |
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function() { |
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128
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assert.deepEqual(byteData.fromBytes( |
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129
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["fe","ff","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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130
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[-2]); |
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131
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}); |
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it('should turn 5 bytes (hex) to 1 signed 48-bit int (-3)', |
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function() { |
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134
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assert.deepEqual(byteData.fromBytes( |
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135
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["fd","ff","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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136
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[-3]); |
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137
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}); |
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138
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-10)', |
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139
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function() { |
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140
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assert.deepEqual(byteData.fromBytes( |
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141
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["f6","ff","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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142
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[-10]); |
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143
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}); |
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144
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-100)', |
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145
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function() { |
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146
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assert.deepEqual(byteData.fromBytes( |
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147
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["9c","ff","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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148
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[-100]); |
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149
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}); |
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150
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-1000)', |
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151
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function() { |
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152
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assert.deepEqual(byteData.fromBytes( |
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153
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["18","fc","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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154
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[-1000]); |
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155
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}); |
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156
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-10000)', |
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157
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function() { |
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158
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assert.deepEqual(byteData.fromBytes( |
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159
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["f0","d8","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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160
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[-10000]); |
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161
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}); |
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162
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-100000)', |
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163
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function() { |
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164
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assert.deepEqual(byteData.fromBytes( |
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165
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["60", "79","fe","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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166
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[-100000]); |
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167
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}); |
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168
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-1000000)', |
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169
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function() { |
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170
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assert.deepEqual(byteData.fromBytes( |
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171
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["c0", "bd","f0","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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172
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[-1000000]); |
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173
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}); |
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174
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-32768)', |
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175
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function() { |
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176
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assert.deepEqual(byteData.fromBytes( |
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177
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["0","80","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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178
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[-32768]); |
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179
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}); |
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180
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-32768)', |
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181
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function() { |
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182
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assert.deepEqual(byteData.fromBytes( |
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183
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["8","80","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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184
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[-32760]); |
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185
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}); |
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186
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-12345)', |
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187
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function() { |
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188
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assert.deepEqual(byteData.fromBytes( |
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189
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["c7","cf","ff","ff","ff","ff"], 48, {"base": 16, "signed": true}), |
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190
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[-12345]); |
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191
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}); |
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192
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it('should turn 6 bytes (hex) to 1 signed 48-bit int (-12345)', |
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193
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function() { |
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194
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assert.deepEqual(byteData.fromBytes( |
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195
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["00","00","00","00","80","ff"], 48, {"base": 16, "signed": true}), |
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196
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[-549755813888]); |
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197
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}); |
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198
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it('should turn 6 bytes (bin) to 1 signed 48-bit int (65535)', |
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199
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function() { |
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200
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assert.deepEqual(byteData.fromBytes( |
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201
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["ff","ff","0","0","0","0"], 48, {"base": 16, "signed": false}), |
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202
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[65535]); |
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203
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}); |
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204
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it('should turn 6 bytes (hex) to 1 unsigned 48-bit int (32767)', |
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205
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function() { |
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206
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assert.deepEqual(byteData.fromBytes( |
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207
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["ff","7f","0","0","0","0"], 48, {"base": 16, "signed": false}), |
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208
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[32767]); |
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209
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}); |
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210
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}); |
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211
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rochars /
byte-data
