using NUnit.Framework;
using System.Collections.Generic;
using System.Linq;
using UnityEngine.Rendering;
namespace UnityEngine.Rendering.Tests
{
class BitArrayTests
{
BitArray8[] ba8;
BitArray16[] ba16;
BitArray32[] ba32;
BitArray64[] ba64;
BitArray128[] ba128;
BitArray256[] ba256;
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
static readonly uint[] bIndexes = new uint[] { 300, 200, 199, 100, 99, 60, 59, 30, 29, 10, 9, 8, 5, 1, 0 };
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
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";
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";
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";
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";
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";
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";
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";
[SetUp]
public void SetUpBitArray()
{
ba8 = new[] { new BitArray8(), new BitArray8(aIndexes), new BitArray8(bIndexes), new BitArray8(byte.MaxValue) };
ba16 = new[] { new BitArray16(), new BitArray16(aIndexes), new BitArray16(bIndexes), new BitArray16(ushort.MaxValue) };
ba32 = new[] { new BitArray32(), new BitArray32(aIndexes), new BitArray32(bIndexes), new BitArray32(uint.MaxValue) };
ba64 = new[] { new BitArray64(), new BitArray64(aIndexes), new BitArray64(bIndexes), new BitArray64(ulong.MaxValue) };
ba128 = new[] { new BitArray128(), new BitArray128(aIndexes), new BitArray128(bIndexes), new BitArray128(ulong.MaxValue, ulong.MaxValue) };
ba256 = new[] { new BitArray256(), new BitArray256(aIndexes), new BitArray256(bIndexes), new BitArray256(ulong.MaxValue, ulong.MaxValue, ulong.MaxValue, ulong.MaxValue) };
}
//[TearDown]
//nothing to do as they are non static struct
string GetLastHumanizedBits(string a, uint bitNumber) => a.Substring(a.Length - ((int)bitNumber + ((int)bitNumber - 1) / 8)); //handle '.' separators
void TestBitArrayMethods<T>(T[] ba, uint capacity)
where T : IBitArray
{
Assert.AreEqual(capacity, ba[0].capacity);
Assert.AreEqual(true, ba[0].allFalse);
Assert.AreEqual(false, ba[0].allTrue);
var trimmedZeroHumanized = GetLastHumanizedBits(zeroHumanized, capacity);
var humanized = ba[0].humanizedData;
Assert.AreEqual(trimmedZeroHumanized, humanized);
Assert.AreEqual(capacity, ba[1].capacity);
Assert.AreEqual(false, ba[1].allFalse);
Assert.AreEqual(false, ba[1].allTrue);
var trimmedAHumanized = GetLastHumanizedBits(aHumanized, capacity);
humanized = ba[1].humanizedData;
Assert.AreEqual(trimmedAHumanized, humanized);
Assert.AreEqual(capacity, ba[2].capacity);
Assert.AreEqual(false, ba[2].allFalse);
Assert.AreEqual(false, ba[2].allTrue);
var trimmedBHumanized = GetLastHumanizedBits(bHumanized, capacity);
humanized = ba[2].humanizedData;
Assert.AreEqual(trimmedBHumanized, humanized);
Assert.AreEqual(capacity, ba[3].capacity);
Assert.AreEqual(false, ba[3].allFalse);
Assert.AreEqual(true, ba[3].allTrue);
var trimmedMaxHumnized = GetLastHumanizedBits(maxHumanized, capacity);
humanized = ba[3].humanizedData;
Assert.AreEqual(trimmedMaxHumnized, humanized);
}
void TestBitArrayOperator<T>(T[] ba)
where T : IBitArray
{
//ensure we keep value type when refactoring
var ba_4 = ba[1];
Assert.AreEqual(ba_4, ba[1]);
Assert.AreNotSame(ba_4, ba[1]);
ba_4 = ba[2];
Assert.AreNotEqual(ba_4, ba[1]);
//test and
var bAndA = ba[2].BitAnd(ba[1]);
var aAndB = ba[1].BitAnd(ba[2]);
Assert.AreEqual(bAndA, aAndB);
Assert.AreEqual(bAndA.humanizedData, GetLastHumanizedBits(aAndBHumanized, ba[0].capacity));
//test or
var bOrA = ba[2].BitOr(ba[1]);
var aOrB = ba[1].BitOr(ba[2]);
Assert.AreEqual(bOrA, aOrB);
Assert.AreEqual(bOrA.humanizedData, GetLastHumanizedBits(aOrBHumanized, ba[0].capacity));
//test not
var notA = ba[1].BitNot();
Assert.AreEqual(notA.humanizedData, GetLastHumanizedBits(notAHumanized, ba[0].capacity));
//test indexer
foreach (uint index in getSetTestedIndexes.Where(i => i < ba[0].capacity))
{
//test get
Assert.AreEqual(ba[1][index], (index & 1) == 0); //on a, odd value are false and even true
//test set
var bai = ba[1];
bai[index] = ba[1][index];
Assert.AreEqual(ba[1], bai);
bai[index] = !ba[1][index];
Assert.AreNotEqual(ba[1], bai);
Assert.AreEqual(bai[index], !ba[1][index]);
}
}
[Test]
public void TestBitArray8()
{
TestBitArrayMethods(ba8, 8u);
TestBitArrayOperator(ba8);
}
[Test]
public void TestBitArray16()
{
TestBitArrayMethods(ba16, 16u);
TestBitArrayOperator(ba16);
}
[Test]
public void TestBitArray32()
{
TestBitArrayMethods(ba32, 32u);
TestBitArrayOperator(ba32);
}
[Test]
public void TestBitArray64()
{
TestBitArrayMethods(ba64, 64u);
TestBitArrayOperator(ba64);
}
[Test]
public void TestBitArray128()
{
TestBitArrayMethods(ba128, 128u);
TestBitArrayOperator(ba128);
}
[Test]
public void TestBitArray256()
{
TestBitArrayMethods(ba256, 256u);
TestBitArrayOperator(ba256);
}
}
}