private static void MakeSpanMapperCode()
{
var sb = new StringBuilder();
foreach (var item in IntegerTypeCombinations.GetDoubles())
{
var(item0, item1) = item;
sb.AppendLine("public static ReadOnlySpan<byte> MapSpan(")
.AppendLine($"\tin {GetIntType(item0)} item0,")
.AppendLine($"\tin {GetIntType(item1)} item1)")
.AppendLine($"\t=> GetSpan({GetMapArg(item0, 0)}, {GetMapArg(item1, 1)});")
.AppendLine();
}
foreach (var item in IntegerTypeCombinations.GetTriples())
{
var(item0, item1, item2) = item;
sb.AppendLine("public static ReadOnlySpan<byte> MapSpan(")
.AppendLine($"\tin {GetIntType(item0)} item0,")
.AppendLine($"\tin {GetIntType(item1)} item1,")
.AppendLine($"\tin {GetIntType(item2)} item2)")
.AppendLine($"\t=> GetSpan({GetMapArg(item0, 0)}, {GetMapArg(item1, 1)}, {GetMapArg(item2, 2)});")
.AppendLine();
}
foreach (var item in IntegerTypeCombinations.GetQuadruples())
{
var(item0, item1, item2, item3) = item;
sb.AppendLine("public static ReadOnlySpan<byte> MapSpan(")
.AppendLine($"\tin {GetIntType(item0)} item0,")
.AppendLine($"\tin {GetIntType(item1)} item1,")
.AppendLine($"\tin {GetIntType(item2)} item2,")
.AppendLine($"\tin {GetIntType(item3)} item3)")
.AppendLine($"\t=> GetSpan({GetMapArg(item0, 0)}, {GetMapArg(item1, 1)}, {GetMapArg(item2, 2)}, {GetMapArg(item3, 3)});")
.AppendLine();
}
string GetIntType(IntegerTypes type)
=> type == IntegerTypes.Short ? "Int16"
: type == IntegerTypes.Int ? "Int32"
: type == IntegerTypes.Long ? "Int64" : "byte";
string GetMapArg(IntegerTypes type, byte position)
=> type == IntegerTypes.Byte
? $"in item{position}"
: $"Map(in item{position})";
File.WriteAllText("IntegerReadOnlySpanMapper.cs.txt", sb.ToString().Replace("\r\n,", ",\r\n"));
}
private static void MakeIntegerReadOnlySpanByteMapMapper_GetSpan_Tests()
{
var sb = new StringBuilder()
.AppendLine("using Common.Extensions.Memory;")
.AppendLine("using System;")
.AppendLine("using Tests.Data;")
.AppendLine("using Xunit;")
.AppendLine("using static Common.Extensions.Memory.IntegerReadOnlySpanByteMapMapper;")
.AppendLine("using static Tests.Assertions.ByteArrayEqualityAssertor;")
.AppendLine()
.AppendLine("namespace Tests")
.AppendLine("{")
.AppendLine($"\tpublic class IntegerReadOnlySpanByteMapMapper_GetSpan")
.AppendLine("\t{");
var overloadNumber = 1;
foreach (var item in IntegerTypeCombinations.GetDoubles())
{
var(item0, item1) = item;
var type0 = GetIntType(item0);
var type1 = GetIntType(item1);
var value0 = GetValueType(0, type0);
var value1 = GetValueType(1, type1);
sb.AppendLine("\t\t[Theory]")
.AppendLine($"\t\t[ClassData(typeof(OverloadTestData_{overloadNumber}))]")
.AppendLine($"\t\tpublic void GetSpan_produces_equivalent_array_as_control_{overloadNumber}({type0} value0, {type1} value1, byte[] control)")
.AppendLine($"\t\t\t=> AssertEqual(control, GetSpan({value0}, {value1}).ToArray());")
.AppendLine();
overloadNumber++;
}
foreach (var item in IntegerTypeCombinations.GetTriples())
{
var(item0, item1, item2) = item;
var type0 = GetIntType(item0);
var type1 = GetIntType(item1);
var type2 = GetIntType(item2);
var value0 = GetValueType(0, type0);
var value1 = GetValueType(1, type1);
var value2 = GetValueType(2, type2);
sb.AppendLine("\t\t[Theory]")
.AppendLine($"\t\t[ClassData(typeof(OverloadTestData_{overloadNumber}))]")
.AppendLine($"\t\tpublic void GetSpan_produces_equivalent_array_as_control_{overloadNumber}({type0} value0, {type1} value1, {type2} value2, byte[] control)")
.AppendLine($"\t\t\t=> AssertEqual(control, GetSpan({value0}, {value1}, {value2}).ToArray());")
.AppendLine();
overloadNumber++;
}
foreach (var item in IntegerTypeCombinations.GetQuadruples())
{
var(item0, item1, item2, item3) = item;
var type0 = GetIntType(item0);
var type1 = GetIntType(item1);
var type2 = GetIntType(item2);
var type3 = GetIntType(item3);
var value0 = GetValueType(0, type0);
var value1 = GetValueType(1, type1);
var value2 = GetValueType(2, type2);
var value3 = GetValueType(3, type3);
sb.AppendLine("\t\t[Theory]")
.AppendLine($"\t\t[ClassData(typeof(OverloadTestData_{overloadNumber}))]")
.AppendLine($"\t\tpublic void GetSpan_produces_equivalent_array_as_control_{overloadNumber}({type0} value0, {type1} value1, {type2} value2, {type3} value3, byte[] control)")
.AppendLine($"\t\t\t=> AssertEqual(control, GetSpan({value0}, {value1}, {value2}, {value3}).ToArray());");
if (new[] { item0, item1, item2, item3 }.Any(type => type != IntegerTypes.Long))
{
sb.AppendLine();
}
overloadNumber++;
}
string GetIntType(IntegerTypes type)
=> type == IntegerTypes.Short ? "Int16"
: type == IntegerTypes.Int ? "Int32"
: type == IntegerTypes.Long ? "Int64" : "byte";
string GetValueType(byte position, string type)
=> type == "byte" ? string.Concat("value", position)
: string.Concat("new ", type, "ByteMap(value", position, ")");
sb.AppendLine("\t}")
.AppendLine("}");
File.WriteAllText("IntegerReadOnlySpanByteMapMapper_GetSpan.cs.txt", sb.ToString());
}
private static void MakeTestData()
{
var sb = new StringBuilder()
.AppendLine("using Common.Extensions.Memory;")
.AppendLine("using System;")
.AppendLine("using System.Collections;")
.AppendLine("using System.Collections.Generic;")
.AppendLine("using static Tests.Data.OverloadTestDataIterations;")
.AppendLine()
.AppendLine("namespace Tests.Data")
.AppendLine("{");
var overloadNumber = 1;
foreach (var item in IntegerTypeCombinations.GetDoubles())
{
var(item0, item1) = item;
var type0 = GetIntType(item0);
var type1 = GetIntType(item1);
sb
.AppendLine("\t/// <summary>")
.AppendLine("\t/// Contains test cases for methods with these arguments:")
.AppendLine($"\t/// ({type0} value0, {type1} value1)")
.AppendLine("\t/// </summary>")
.AppendLine($"\tpublic class OverloadTestData_{overloadNumber} : IEnumerable<object[]>")
.AppendLine("\t{")
.AppendLine("\t\tpublic IEnumerator<object[]> GetEnumerator()")
.AppendLine("\t\t{")
.AppendLine($"\t\t\tvar size = sizeof({type0}) + sizeof({type1});")
.AppendLine("\t\t\tvar random = new Random();")
.AppendLine($"\t\t\tfor (byte i = 0; i < NumberOfTestCases; i++)")
.AppendLine("\t\t\t{")
.AppendLine("\t\t\t\tSpan<byte> control = stackalloc byte[size];");
byte position = 0;
position = AppendByteAssignments(sb, 0, item0, position);
AppendByteAssignments(sb, 1, item1, position);
sb.AppendLine("\t\t\t\tyield return new object[]")
.AppendLine("\t\t\t\t{")
.AppendLine("\t\t\t\t\tvalue0,")
.AppendLine("\t\t\t\t\tvalue1,")
.AppendLine("\t\t\t\t\tcontrol.ToArray()")
.AppendLine("\t\t\t\t};")
.AppendLine("\t\t\t}")
.AppendLine("\t\t}")
.AppendLine()
.AppendLine("\t\tIEnumerator IEnumerable.GetEnumerator() => GetEnumerator();")
.AppendLine("\t}")
.AppendLine();
overloadNumber++;
}
foreach (var item in IntegerTypeCombinations.GetTriples())
{
var(item0, item1, item2) = item;
var type0 = GetIntType(item0);
var type1 = GetIntType(item1);
var type2 = GetIntType(item2);
sb
.AppendLine("\t/// <summary>")
.AppendLine("\t/// Contains test cases for methods with these arguments:")
.AppendLine($"\t/// ({type0} value0, {type1} value1, {type2} value2)")
.AppendLine("\t/// </summary>")
.AppendLine($"\tpublic class OverloadTestData_{overloadNumber} : IEnumerable<object[]>")
.AppendLine("\t{")
.AppendLine("\t\tpublic IEnumerator<object[]> GetEnumerator()")
.AppendLine("\t\t{")
.AppendLine($"\t\t\tvar size = sizeof({type0}) + sizeof({type1}) + sizeof({type2});")
.AppendLine("\t\t\tvar random = new Random();")
.AppendLine($"\t\t\tfor (byte i = 0; i < NumberOfTestCases; i++)")
.AppendLine("\t\t\t{")
.AppendLine("\t\t\t\tSpan<byte> control = stackalloc byte[size];");
byte position = 0;
position = AppendByteAssignments(sb, 0, item0, position);
position = AppendByteAssignments(sb, 1, item1, position);
AppendByteAssignments(sb, 2, item2, position);
sb.AppendLine("\t\t\t\tyield return new object[]")
.AppendLine("\t\t\t\t{")
.AppendLine("\t\t\t\t\tvalue0,")
.AppendLine("\t\t\t\t\tvalue1,")
.AppendLine("\t\t\t\t\tvalue2,")
.AppendLine("\t\t\t\t\tcontrol.ToArray()")
.AppendLine("\t\t\t\t};")
.AppendLine("\t\t\t}")
.AppendLine("\t\t}")
.AppendLine()
.AppendLine("\t\tIEnumerator IEnumerable.GetEnumerator() => GetEnumerator();")
.AppendLine("\t}")
.AppendLine();
overloadNumber++;
}
foreach (var item in IntegerTypeCombinations.GetQuadruples())
{
var(item0, item1, item2, item3) = item;
var type0 = GetIntType(item0);
var type1 = GetIntType(item1);
var type2 = GetIntType(item2);
var type3 = GetIntType(item3);
sb
.AppendLine("\t/// <summary>")
.AppendLine("\t/// Contains test cases for methods with these arguments:")
.AppendLine($"\t/// ({type0} value0, {type1} value1, {type2} value2, {type3} value3)")
.AppendLine("\t/// </summary>")
.AppendLine($"\tpublic class OverloadTestData_{overloadNumber} : IEnumerable<object[]>")
.AppendLine("\t{")
.AppendLine("\t\tpublic IEnumerator<object[]> GetEnumerator()")
.AppendLine("\t\t{")
.AppendLine($"\t\t\tvar size = sizeof({GetIntType(item0)}) + sizeof({GetIntType(item1)}) + sizeof({GetIntType(item2)}) + sizeof({GetIntType(item3)});")
.AppendLine("\t\t\tvar random = new Random();")
.AppendLine($"\t\t\tfor (byte i = 0; i < NumberOfTestCases; i++)")
.AppendLine("\t\t\t{")
.AppendLine("\t\t\t\tSpan<byte> control = stackalloc byte[size];");
byte position = 0;
position = AppendByteAssignments(sb, 0, item0, position);
position = AppendByteAssignments(sb, 1, item1, position);
position = AppendByteAssignments(sb, 2, item2, position);
AppendByteAssignments(sb, 3, item3, position);
sb.AppendLine("\t\t\t\tyield return new object[]")
.AppendLine("\t\t\t\t{")
.AppendLine("\t\t\t\t\tvalue0,")
.AppendLine("\t\t\t\t\tvalue1,")
.AppendLine("\t\t\t\t\tvalue2,")
.AppendLine("\t\t\t\t\tcontrol.ToArray()")
.AppendLine("\t\t\t\t};")
.AppendLine("\t\t\t}")
.AppendLine("\t\t}")
.AppendLine()
.AppendLine("\t\tIEnumerator IEnumerable.GetEnumerator() => GetEnumerator();")
.AppendLine("\t}");
if (new[] { item0, item1, item2, item3 }.Any(type => type != IntegerTypes.Long))
{
sb.AppendLine();
}
overloadNumber++;
}
byte AppendByteAssignments(StringBuilder builder, byte valuePosition, IntegerTypes type, byte nextIndex)
{
var intType = GetIntType(type);
var value = string.Concat("value", valuePosition);
var cast = type == IntegerTypes.Int ? string.Empty : string.Concat("(", intType, ")");
intType = intType == "Int64" ? "Int32" : intType;
builder.AppendLine($"\t\t\t\tvar {value} = {cast}random.Next({intType}.MinValue, {intType}.MaxValue);");
if (type == IntegerTypes.Byte)
{
AppendByteAssignmentStatement(builder, nextIndex, value);
nextIndex++;
}
else
{
var valueBytes = string.Concat(value, "bytes");
builder.AppendLine($"\t\t\t\tvar {valueBytes} = {value}.ToSpan();");
for (int i = 0; i < (byte)type; i++)
{
AppendByteAssignmentStatement(builder, nextIndex, $"{valueBytes}[{i}]");
nextIndex++;
}
}
return(nextIndex);
}
void AppendByteAssignmentStatement(StringBuilder builder, byte index, string value)
=> builder.AppendLine($"\t\t\t\tcontrol[{index}] = {value};");
string GetIntType(IntegerTypes type)
=> type == IntegerTypes.Short ? "Int16"
: type == IntegerTypes.Int ? "Int32"
: type == IntegerTypes.Long ? "Int64" : "byte";
sb.AppendLine("}");
File.WriteAllText("OverloadTestData.cs.txt", sb.ToString().Replace("\r\n,", ",\r\n"));
}
private static void MakeMemoryByteMapMapperCode()
{
var sb = new StringBuilder();
foreach (var item in IntegerTypeCombinations.GetDoubles())
{
var(item0, item1) = item;
sb.AppendLine("public static ReadOnlyMemory<byte> GetMemory(")
.AppendLine($"\tin {GetIntMapType(item0)} item0,")
.AppendLine($"\tin {GetIntMapType(item1)} item1)")
.AppendLine("\t=> new[]")
.AppendLine("\t{");
AppendBytes(sb, item0, 0);
AppendBytes(sb, item1, 1, false);
sb.AppendLine("\t};")
.AppendLine();
}
foreach (var item in IntegerTypeCombinations.GetTriples())
{
var(item0, item1, item2) = item;
sb.AppendLine("public static ReadOnlyMemory<byte> GetMemory(")
.AppendLine($"\tin {GetIntMapType(item0)} item0,")
.AppendLine($"\tin {GetIntMapType(item1)} item1,")
.AppendLine($"\tin {GetIntMapType(item2)} item2)")
.AppendLine("\t=> new[]")
.AppendLine("\t{");
AppendBytes(sb, item0, 0);
AppendBytes(sb, item1, 1);
AppendBytes(sb, item2, 2, false);
sb.AppendLine("\t};")
.AppendLine();
}
foreach (var item in IntegerTypeCombinations.GetQuadruples())
{
var(item0, item1, item2, item3) = item;
sb.AppendLine("public static ReadOnlyMemory<byte> GetMemory(")
.AppendLine($"\tin {GetIntMapType(item0)} item0,")
.AppendLine($"\tin {GetIntMapType(item1)} item1,")
.AppendLine($"\tin {GetIntMapType(item2)} item2,")
.AppendLine($"\tin {GetIntMapType(item3)} item3)")
.AppendLine("\t=> new[]")
.AppendLine("\t{");
AppendBytes(sb, item0, 0);
AppendBytes(sb, item1, 1);
AppendBytes(sb, item2, 2);
AppendBytes(sb, item3, 3, false);
sb.AppendLine("\t};")
.AppendLine();
}
File.WriteAllText("IntegerReadOnlyMemoryByteMapMapper.cs.txt", sb.ToString().Replace("\r\n,", ",\r\n"));
void AppendBytes(in StringBuilder builder, in IntegerTypes type, in byte position, in bool appendComma = true, in byte tabCount = 4)
{
var tabs = new string('\t', tabCount);
var prefix = string.Concat(tabs, "item", position);
if (type == IntegerTypes.Byte)
{
sb.AppendLine(prefix);
if (appendComma)
{
sb.Append(",");
}
}
else
{
AppendByteLine(sb, prefix, 0);
AppendByteLine(sb, prefix, 1, appendComma);
if (type != IntegerTypes.Short)
{
if (!appendComma)
{
sb.Append(",");
}
AppendByteLine(sb, prefix, 2);
AppendByteLine(sb, prefix, 3, appendComma);
if (type == IntegerTypes.Long)
{
if (!appendComma)
{
sb.Append(",");
}
AppendByteLine(sb, prefix, 4);
AppendByteLine(sb, prefix, 5);
AppendByteLine(sb, prefix, 6);
AppendByteLine(sb, prefix, 7, appendComma);
}
}
}
}
void AppendByteLine(in StringBuilder builder, in string prefix, in byte position, in bool appendComma = true)
=> sb.AppendLine(string.Concat(prefix, Byte(position), appendComma ? "," : string.Empty));
string Byte(in byte position) => string.Concat(".Byte", position);
string GetIntMapType(in IntegerTypes type)
=> type == IntegerTypes.Short ? "Int16ByteMap"
: type == IntegerTypes.Int ? "Int32ByteMap"
: type == IntegerTypes.Long ? "Int64ByteMap" : "byte";
}