2 using System.Collections.Generic;
5 namespace UnityEngine.Experimental.Rendering.Tests
7 public class BitArrayTests
16 static readonly uint[] aIndexes = new uint[] { 300, 200, 198, 100, 98, 60, 58, 30, 28, 10, 8, 4, 2, 0, 0 }; //double 0 entry to test double entry
17 static readonly uint[] bIndexes = new uint[] { 300, 200, 199, 100, 99, 60, 59, 30, 29, 10, 9, 8, 5, 1, 0 };
18 static readonly uint[] getSetTestedIndexes = new uint[] { 201, 200, 101, 100, 61, 60, 31, 30, 11, 10, 1, 0 }; // on a, odd value are false, even true
19 const string aHumanized = "00000000.00000000.00000000.00000000.00000000.00000000.00000001.01000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00010100.00000000.00000000.00000000.00000000.00010100.00000000.00000000.00000000.01010000.00000000.00000101.00010101";
20 const string bHumanized = "00000000.00000000.00000000.00000000.00000000.00000000.00000001.10000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00011000.00000000.00000000.00000000.00000000.00011000.00000000.00000000.00000000.01100000.00000000.00000111.00100011";
21 const string aAndBHumanized = "00000000.00000000.00000000.00000000.00000000.00000000.00000001.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00010000.00000000.00000000.00000000.00000000.00010000.00000000.00000000.00000000.01000000.00000000.00000101.00000001";
22 const string aOrBHumanized = "00000000.00000000.00000000.00000000.00000000.00000000.00000001.11000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00011100.00000000.00000000.00000000.00000000.00011100.00000000.00000000.00000000.01110000.00000000.00000111.00110111";
23 const string notAHumanized = "11111111.11111111.11111111.11111111.11111111.11111111.11111110.10111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11101011.11111111.11111111.11111111.11111111.11101011.11111111.11111111.11111111.10101111.11111111.11111010.11101010";
24 const string zeroHumanized = "00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000.00000000";
25 const string maxHumanized = "11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111.11111111";
28 public void SetUpBitArray()
30 ba8 = new[] { new BitArray8(), new BitArray8(aIndexes), new BitArray8(bIndexes), new BitArray8(byte.MaxValue) };
31 ba16 = new[] { new BitArray16(), new BitArray16(aIndexes), new BitArray16(bIndexes), new BitArray16(ushort.MaxValue) };
32 ba32 = new[] { new BitArray32(), new BitArray32(aIndexes), new BitArray32(bIndexes), new BitArray32(uint.MaxValue) };
33 ba64 = new[] { new BitArray64(), new BitArray64(aIndexes), new BitArray64(bIndexes), new BitArray64(ulong.MaxValue) };
34 ba128 = new[] { new BitArray128(), new BitArray128(aIndexes), new BitArray128(bIndexes), new BitArray128(ulong.MaxValue, ulong.MaxValue) };
35 ba256 = new[] { new BitArray256(), new BitArray256(aIndexes), new BitArray256(bIndexes), new BitArray256(ulong.MaxValue, ulong.MaxValue, ulong.MaxValue, ulong.MaxValue) };
39 //nothing to do as they are non static struct
41 string GetLastHumanizedBits(string a, uint bitNumber) => a.Substring(a.Length - ((int)bitNumber + ((int)bitNumber - 1) / 8)); //handle '.' separators
43 void TestBitArrayMethods<T>(T[] ba, uint capacity)
46 Assert.AreEqual(capacity, ba[0].capacity);
47 Assert.AreEqual(true, ba[0].allFalse);
48 Assert.AreEqual(false, ba[0].allTrue);
49 var trimmedZeroHumanized = GetLastHumanizedBits(zeroHumanized, capacity);
50 var humanized = ba[0].humanizedData;
51 Assert.AreEqual(trimmedZeroHumanized, humanized);
53 Assert.AreEqual(capacity, ba[1].capacity);
54 Assert.AreEqual(false, ba[1].allFalse);
55 Assert.AreEqual(false, ba[1].allTrue);
56 var trimmedAHumanized = GetLastHumanizedBits(aHumanized, capacity);
57 humanized = ba[1].humanizedData;
58 Assert.AreEqual(trimmedAHumanized, humanized);
60 Assert.AreEqual(capacity, ba[2].capacity);
61 Assert.AreEqual(false, ba[2].allFalse);
62 Assert.AreEqual(false, ba[2].allTrue);
63 var trimmedBHumanized = GetLastHumanizedBits(bHumanized, capacity);
64 humanized = ba[2].humanizedData;
65 Assert.AreEqual(trimmedBHumanized, humanized);
67 Assert.AreEqual(capacity, ba[3].capacity);
68 Assert.AreEqual(false, ba[3].allFalse);
69 Assert.AreEqual(true, ba[3].allTrue);
70 var trimmedMaxHumnized = GetLastHumanizedBits(maxHumanized, capacity);
71 humanized = ba[3].humanizedData;
72 Assert.AreEqual(trimmedMaxHumnized, humanized);
75 void TestBitArrayOperator<T>(T[] ba)
78 //ensure we keep value type when refactoring
80 Assert.AreEqual(ba_4, ba[1]);
81 Assert.AreNotSame(ba_4, ba[1]);
83 Assert.AreNotEqual(ba_4, ba[1]);
86 var bAndA = ba[2].BitAnd(ba[1]);
87 var aAndB = ba[1].BitAnd(ba[2]);
88 Assert.AreEqual(bAndA, aAndB);
89 Assert.AreEqual(bAndA.humanizedData, GetLastHumanizedBits(aAndBHumanized, ba[0].capacity));
92 var bOrA = ba[2].BitOr(ba[1]);
93 var aOrB = ba[1].BitOr(ba[2]);
94 Assert.AreEqual(bOrA, aOrB);
95 Assert.AreEqual(bOrA.humanizedData, GetLastHumanizedBits(aOrBHumanized, ba[0].capacity));
98 var notA = ba[1].BitNot();
99 Assert.AreEqual(notA.humanizedData, GetLastHumanizedBits(notAHumanized, ba[0].capacity));
102 foreach(uint index in getSetTestedIndexes.Where(i => i < ba[0].capacity))
105 Assert.AreEqual(ba[1][index], (index & 1) == 0); //on a, odd value are false and even true
109 bai[index] = ba[1][index];
110 Assert.AreEqual(ba[1], bai);
111 bai[index] = !ba[1][index];
112 Assert.AreNotEqual(ba[1], bai);
113 Assert.AreEqual(bai[index], !ba[1][index]);
118 public void TestBitArray8()
120 TestBitArrayMethods(ba8, 8u);
121 TestBitArrayOperator(ba8);
125 public void TestBitArray16()
127 TestBitArrayMethods(ba16, 16u);
128 TestBitArrayOperator(ba16);
132 public void TestBitArray32()
134 TestBitArrayMethods(ba32, 32u);
135 TestBitArrayOperator(ba32);
139 public void TestBitArray64()
141 TestBitArrayMethods(ba64, 64u);
142 TestBitArrayOperator(ba64);
146 public void TestBitArray128()
148 TestBitArrayMethods(ba128, 128u);
149 TestBitArrayOperator(ba128);
153 public void TestBitArray256()
155 TestBitArrayMethods(ba256, 256u);
156 TestBitArrayOperator(ba256);