|
1 | | -import BitArray from "../src/bit-typedarray"; |
| 1 | +import BitArray from '../src/bit-typedarray.js'; |
2 | 2 |
|
3 | 3 | // whatever value >=4 |
4 | 4 | // Some test cases are not accounting for a zero length (and would appear as failures) |
5 | 5 | // (but, in general, it is obviously allowed to have a zero-size bit array) |
6 | 6 | const length = 48; |
7 | 7 |
|
8 | | -const bits = new BitArray( length ); |
9 | | - |
| 8 | +const bits = new BitArray(length); |
10 | 9 |
|
11 | 10 | /** suite 1 */ |
12 | 11 | const instantiating = { |
13 | | - "new BitArray( length )": bits instanceof BitArray, |
14 | | - "length is set": bits.length === length, |
15 | | - "empty bit array has length 0": new BitArray(0) .length === 0, |
16 | | - "new BitArray( iterable )": new BitArray("011010") instanceof BitArray |
17 | | - && new BitArray("011010") .length === 6 |
| 12 | + 'new BitArray( length )': bits instanceof BitArray, |
| 13 | + 'length is set': bits.length === length, |
| 14 | + 'empty bit array has length 0': new BitArray(0).length === 0, |
| 15 | + 'new BitArray( iterable )': |
| 16 | + new BitArray('011010') instanceof BitArray && |
| 17 | + new BitArray('011010').length === 6, |
18 | 18 | }; |
19 | 19 |
|
20 | | - |
21 | 20 | /** suite 2 */ |
22 | 21 | const reading_writing = { |
23 | | - "default value set to 0": bits[0] === 0 && bits[length-1] === 0, |
24 | | - // @ts-ignore |
25 | | - "bits[n] = true sets bit value to 1": (bits[length-1] = true, bits[length-1] === 1), |
26 | | - "bits[n] = 1 sets bit value to 1": (bits[length-1] = 1, bits[length-1] === 1), |
27 | | - ".at(n)": bits.at(length-1) === 1, |
| 22 | + 'default value set to 0': bits[0] === 0 && bits[length - 1] === 0, |
| 23 | + 'bits[n] = true sets bit value to 1': |
| 24 | + // @ts-ignore true type as bit |
| 25 | + ((bits[length - 1] = true), bits[length - 1] === 1), |
| 26 | + 'bits[n] = 1 sets bit value to 1': |
| 27 | + ((bits[length - 1] = 1), bits[length - 1] === 1), |
| 28 | + '.at(n)': bits.at(length - 1) === 1, |
28 | 29 | // this test assumes a minimal length, otherwise we don't run and simply return "pass ok". |
29 | | - ".set([true,false], 2)": length < 4 ? true : (bits.set([true,false], 2), bits[2]===1 && bits[3]===0), |
30 | | - ".set([1,1], 2)": length < 4 ? true : (bits.set([1,1], 2), bits[2]===1 && bits[3]===1) |
| 30 | + '.set([true,false], 2)': |
| 31 | + length < 4 |
| 32 | + ? true |
| 33 | + : (bits.set([true, false], 2), bits[2] === 1 && bits[3] === 0), |
| 34 | + '.set([1,1], 2)': |
| 35 | + length < 4 ? true : (bits.set([1, 1], 2), bits[2] === 1 && bits[3] === 1), |
31 | 36 | }; |
32 | 37 |
|
33 | | - |
34 | 38 | /** suite 3 */ |
35 | 39 | // we check only that the last value is as expected, |
36 | 40 | // and assume this is enough evidence to consider the loop was okay |
37 | 41 | const iterating = { |
38 | | - |
39 | | - "for loop": (()=>{ |
| 42 | + 'for loop': (() => { |
40 | 43 | let item, index; |
41 | | - for( let i=0; i<length; i++ ) item = bits[ index=i ]; |
42 | | - return (index === length-1) && (item === 1); |
| 44 | + for (let i = 0; i < length; i++) item = bits[(index = i)]; |
| 45 | + return index === length - 1 && item === 1; |
43 | 46 | })(), |
44 | 47 |
|
45 | | - "for..in loop": (()=>{ |
| 48 | + 'for..in loop': (() => { |
46 | 49 | let item, index; |
47 | | - for( let i in bits ) item = bits[index=i]; |
48 | | - return (index === ""+(length-1)) && (item === 1); |
| 50 | + for (let i in bits) item = bits[(index = i)]; |
| 51 | + return index === '' + (length - 1) && item === 1; |
49 | 52 | })(), |
50 | 53 |
|
51 | | - ".forEach()": (()=>{ |
| 54 | + '.forEach()': (() => { |
52 | 55 | let res, index; |
53 | | - bits.forEach( (val, i, arr) => { index=i; res = arr[i]===val; } ); |
54 | | - return (index === length-1) && (res === true); |
| 56 | + bits.forEach((val, i, arr) => { |
| 57 | + index = i; |
| 58 | + res = arr[i] === val; |
| 59 | + }); |
| 60 | + return index === length - 1 && res === true; |
55 | 61 | })(), |
56 | 62 |
|
57 | | - "for..of loop": (()=>{ |
58 | | - let item, index=0; |
59 | | - for( item of bits ) index++; |
60 | | - return (item===1) && (index===length); |
61 | | - })() |
62 | | - |
| 63 | + 'for..of loop': (() => { |
| 64 | + let item, |
| 65 | + index = 0; |
| 66 | + for (item of bits) index++; |
| 67 | + return item === 1 && index === length; |
| 68 | + })(), |
63 | 69 | }; |
64 | 70 |
|
65 | | - |
66 | 71 | /** suite 4 */ |
67 | 72 | const formatting = { |
68 | | - ".toString()": bits.toString() === new Array(length) |
69 | | - .fill(0) |
70 | | - .map((c,i)=>(i+1)%8?c:c+" ").join("").trim() |
71 | | - // bits 2 and 3 have been set to 1 in my test cases |
72 | | - .replace(/0000/,"0011") |
73 | | - // last bit have been set to 1 in my test cases |
74 | | - .replace(/.$/,"1") |
75 | | -} |
| 73 | + '.toString()': |
| 74 | + bits.toString() === |
| 75 | + new Array(length) |
| 76 | + .fill(0) |
| 77 | + .map((c, i) => ((i + 1) % 8 ? c : c + ' ')) |
| 78 | + .join('') |
| 79 | + .trim() |
| 80 | + // bits 2 and 3 have been set to 1 in my test cases |
| 81 | + .replace(/0000/, '0011') |
| 82 | + // last bit have been set to 1 in my test cases |
| 83 | + .replace(/.$/, '1'), |
| 84 | +}; |
76 | 85 |
|
77 | 86 | /** suite 5 */ |
78 | 87 | const static_metods = { |
79 | | - |
80 | | - "BitArray.from( boolean[] )": (()=>{ |
81 | | - let arr = BitArray.from( [true,true,false,false,true] ); |
82 | | - return arr instanceof BitArray |
83 | | - && arr.length === 5 |
84 | | - && arr[0]===1 && arr[1]===1 && arr[2]===0 && arr[3]===0 && arr[4]===1 |
| 88 | + 'BitArray.from( boolean[] )': (() => { |
| 89 | + let arr = BitArray.from([true, true, false, false, true]); |
| 90 | + return ( |
| 91 | + arr instanceof BitArray && |
| 92 | + arr.length === 5 && |
| 93 | + arr[0] === 1 && |
| 94 | + arr[1] === 1 && |
| 95 | + arr[2] === 0 && |
| 96 | + arr[3] === 0 && |
| 97 | + arr[4] === 1 |
| 98 | + ); |
85 | 99 | })(), |
86 | 100 |
|
87 | | - "BitArray.from( number[] )": (()=>{ |
88 | | - let arr = BitArray.from( [1,1,0,0,1] ); |
89 | | - return arr instanceof BitArray |
90 | | - && arr.length === 5 |
91 | | - && arr[0]===1 && arr[1]===1 && arr[2]===0 && arr[3]===0 && arr[4]===1 |
| 101 | + 'BitArray.from( number[] )': (() => { |
| 102 | + let arr = BitArray.from([1, 1, 0, 0, 1]); |
| 103 | + return ( |
| 104 | + arr instanceof BitArray && |
| 105 | + arr.length === 5 && |
| 106 | + arr[0] === 1 && |
| 107 | + arr[1] === 1 && |
| 108 | + arr[2] === 0 && |
| 109 | + arr[3] === 0 && |
| 110 | + arr[4] === 1 |
| 111 | + ); |
92 | 112 | })(), |
93 | 113 |
|
94 | | - "BitArray.from( string )": (()=>{ |
95 | | - let arr = BitArray.from("11001"); |
96 | | - return arr instanceof BitArray |
97 | | - && arr.length === 5 |
98 | | - && arr[0]===1 && arr[1]===1 && arr[2]===0 && arr[3]===0 && arr[4]===1 |
| 114 | + 'BitArray.from( string )': (() => { |
| 115 | + let arr = BitArray.from('11001'); |
| 116 | + return ( |
| 117 | + arr instanceof BitArray && |
| 118 | + arr.length === 5 && |
| 119 | + arr[0] === 1 && |
| 120 | + arr[1] === 1 && |
| 121 | + arr[2] === 0 && |
| 122 | + arr[3] === 0 && |
| 123 | + arr[4] === 1 |
| 124 | + ); |
99 | 125 | })(), |
100 | 126 |
|
101 | | - "BitArray.of( ...booleans )": (()=>{ |
102 | | - let arr = BitArray.of(true,true,false,false,true); |
103 | | - return arr instanceof BitArray |
104 | | - && arr.length === 5 |
105 | | - && arr[0]===1 && arr[1]===1 && arr[2]===0 && arr[3]===0 && arr[4]===1 |
| 127 | + 'BitArray.of( ...booleans )': (() => { |
| 128 | + let arr = BitArray.of(true, true, false, false, true); |
| 129 | + return ( |
| 130 | + arr instanceof BitArray && |
| 131 | + arr.length === 5 && |
| 132 | + arr[0] === 1 && |
| 133 | + arr[1] === 1 && |
| 134 | + arr[2] === 0 && |
| 135 | + arr[3] === 0 && |
| 136 | + arr[4] === 1 |
| 137 | + ); |
106 | 138 | })(), |
107 | 139 |
|
108 | | - "BitArray.of( ...numbers )": (()=>{ |
109 | | - let arr = BitArray.of(1,1,0,0,1); |
110 | | - return arr instanceof BitArray |
111 | | - && arr.length === 5 |
112 | | - && arr[0]===1 && arr[1]===1 && arr[2]===0 && arr[3]===0 && arr[4]===1 |
113 | | - })() |
114 | | - |
115 | | -} |
| 140 | + 'BitArray.of( ...numbers )': (() => { |
| 141 | + let arr = BitArray.of(1, 1, 0, 0, 1); |
| 142 | + return ( |
| 143 | + arr instanceof BitArray && |
| 144 | + arr.length === 5 && |
| 145 | + arr[0] === 1 && |
| 146 | + arr[1] === 1 && |
| 147 | + arr[2] === 0 && |
| 148 | + arr[3] === 0 && |
| 149 | + arr[4] === 1 |
| 150 | + ); |
| 151 | + })(), |
| 152 | +}; |
116 | 153 |
|
117 | 154 | export default { |
118 | 155 | instantiating, |
119 | 156 | reading_writing, |
120 | 157 | iterating, |
121 | 158 | formatting, |
122 | | - static_metods |
| 159 | + static_metods, |
123 | 160 | }; |
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