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using Mono.Documentation;
using Mono.Documentation.Updater.Formatters;
using NUnit.Framework;
using System;
using System.Linq;
namespace mdoc.Test
{
public class NullableReferenceTypesTests : BasicFormatterTests<CSharpMemberFormatter>
{
private const string NullableReferenceTypesAssemblyPath = "../../../../external/Test/mdoc.Test.NullableReferenceTypes.dll";
private CSharpMemberFormatter csharpMemberFormatter = new CSharpMemberFormatter();
protected override CSharpMemberFormatter formatter => csharpMemberFormatter;
[TestCase("dynamic", "DynamicType")]
[TestCase("dynamic?", "NullableDynamicType")]
[TestCase("DayOfWeek", "Enumeration")]
[TestCase("DayOfWeek?", "NullableEnumeration")]
[TestCase("int", "ValueType")]
[TestCase("int?", "NullableValueType")]
[TestCase("int[]", "ArrayOfValueType")]
[TestCase("int?[]", "ArrayOfValueTypeNullable")]
[TestCase("int[]?", "NullableArrayOfValueType")]
[TestCase("int?[]?", "NullableArrayOfNullableValueType")]
[TestCase("int[][]", "DimensionalArrayOfValueType")]
[TestCase("int?[][]", "DimensionalArrayOfNullableValueType")]
[TestCase("int?[]?[]", "DimensionalArrayOfNullableValueTypeOfNullableRow")]
[TestCase("int?[]?[]?", "NullableDimensionalArrayOfNullableValueTypeOfNullableRow")]
[TestCase("int?[][]?", "NullableDimensionalArrayOfNullableValueType")]
[TestCase("int[][]?", "NullableDimensionalArrayOfValueType")]
[TestCase("int[][]?[][]?", "NullableFourDimensionalArrayOfValueTypeOfMiddleNullableArray")]
[TestCase("int?[][]?[][]", "FourDimensionalArrayOfNullableValueTypeOfMiddleNullableArray")]
[TestCase("Tuple<int,int>", "TupleOfValueType")]
[TestCase("Tuple<int,int>?", "NullableTupleOfValueType")]
[TestCase("Tuple<int?,int?>", "TupleOfNullableValueType")]
[TestCase("Tuple<int?,int?>?", "NullableTupleOfNullableValueType")]
[TestCase("(int,int)", "ValueTupleOfValueType")]
[TestCase("(int,int)?", "NullableValueTupleOfValueType")]
[TestCase("(int?,int?)", "ValueTupleOfNullableValueType")]
[TestCase("(int?,int?)?", "NullableValueTupleOfNullableValueType")]
[TestCase("ICollection<int>", "InterfaceOfValueType")]
[TestCase("ICollection<int>?", "NullableInterfaceOfValueType")]
[TestCase("ICollection<int?>?", "NullableInterfaceOfNullableValueType")]
[TestCase("Action<int>", "ActionOfValueType")]
[TestCase("Action<int?>", "ActionOfNullableValueType")]
[TestCase("Action<int>?", "NullableActionOfValueType")]
[TestCase("Action<int?>?", "NullableActionOfNullableValueType")]
[TestCase("Dictionary<int,int>", "DictionaryOfValueType")]
[TestCase("Dictionary<int,int>?", "NullableDictionaryOfValueType")]
[TestCase("Dictionary<int?,int?>", "DictionaryOfNullableValueType")]
[TestCase("Dictionary<int?,int?>?", "NullableDictionaryOfNullableValueType")]
[TestCase("Dictionary<int,int?>", "DictionaryOfNullableValueTypeValue")]
[TestCase("Dictionary<int,int?>?", "NullableDictionaryOfNullableValueTypeValue")]
[TestCase("Dictionary<int?,int>?", "NullableDictionaryOfNullableValueTypeKey")]
[TestCase("Dictionary<int,Dictionary<int,int>>", "DictionaryOfValueTypeKeyAndDictionaryOfValueTypeValue")]
[TestCase("Dictionary<int,Dictionary<int,int>>?", "NullableDictionaryOfValueTypeKeyAndDictionaryOfValueTypeValue")]
[TestCase("Dictionary<int?,Dictionary<int,int>?>?", "NullableDictionaryOfNullableValueTypeKeyAndNullableDictionaryOfValueTypeValue")]
[TestCase("Dictionary<int?,Dictionary<int?,int?>?>?", "NullableDictionaryOfNullableValueTypeKeyAndNullableDictionaryOfNullableValueTypeValue")]
[TestCase("Dictionary<int,Tuple<int,int>>", "DictionaryOfValueTypeKeyAndTupleOfValueTypeValue")]
[TestCase("Dictionary<int,Tuple<int,int>>?", "NullableDictionaryOfValueTypeKeyAndTupleOfValueTypeValue")]
[TestCase("Dictionary<int?,Tuple<int,int>?>?", "NullableDictionaryOfNullableValueTypeKeyAndNullableTupleOfValueTypeValue")]
[TestCase("Dictionary<int?,Tuple<int?,int?>?>?", "NullableDictionaryOfNullableValueTypeKeyAndNullableTupleOfNullableValueTypeValue")]
[TestCase("Dictionary<Dictionary<int,int>,Dictionary<int,int>>", "DictionaryOfDictionaryOfValueType")]
[TestCase("Dictionary<Dictionary<int,int>?,Dictionary<int,int>?>?", "NullableDictionaryOfNullableDictionaryOfValueType")]
[TestCase("Dictionary<Dictionary<int?,int?>?,Dictionary<int?,int?>?>?", "NullableDictionaryOfNullableDictionaryOfNullableValueType")]
[TestCase("string", "ReferenceType")]
[TestCase("string?", "NullableReferenceType")]
[TestCase("string[]", "ArrayOfReferenceType")]
[TestCase("string?[]", "ArrayOfNullableReferenceType")]
[TestCase("string[]?", "NullableArrayOfReferenceType")]
[TestCase("string?[]?", "NullableArrayOfNullableReferenceType")]
[TestCase("string[][]", "DimensionalArrayOfReferenceType")]
[TestCase("string?[][]", "DimensionalArrayOfNullableReferenceType")]
[TestCase("string?[]?[]", "DimensionalArrayOfNullableReferenceTypeOfNullableRow")]
[TestCase("string?[]?[]?", "NullableDimensionalArrayOfNullableReferenceTypeOfNullableRow")]
[TestCase("string?[][]?", "NullableDimensionalArrayOfNullableReferenceType")]
[TestCase("string[][]?", "NullableDimensionalArrayOfReferenceType")]
[TestCase("string[][]?[][]?", "NullableFourDimensionalArrayOfReferenceTypeOfMiddleNullableArray")]
[TestCase("string?[][]?[][]", "FourDimensionalArrayOfNullableReferenceTypeOfMiddleNullableArray")]
[TestCase("Tuple<string,string>", "TupleOfReferenceType")]
[TestCase("Tuple<string,string>?", "NullableTupleOfReferenceType")]
[TestCase("Tuple<string?,string?>", "TupleOfNullableReferenceType")]
[TestCase("Tuple<string?,string?>?", "NullableTupleOfNullableReferenceType")]
[TestCase("(string,string)", "ValueTupleOfReferenceType")]
[TestCase("(string,string)?", "NullableValueTupleOfReferenceType")]
[TestCase("(string?,string?)", "ValueTupleOfNullableReferenceType")]
[TestCase("(string?,string?)?", "NullableValueTupleOfNullableReferenceType")]
[TestCase("ICollection<string>", "InterfaceOfReferenceType")]
[TestCase("ICollection<string>?", "NullableInterfaceOfReferenceType")]
[TestCase("ICollection<string?>?", "NullableInterfaceOfNullableReferenceType")]
[TestCase("ICollection<dynamic>", "InterfaceOfDynamicType")]
[TestCase("ICollection<dynamic>?", "NullableInterfaceOfDynamicType")]
[TestCase("ICollection<dynamic?>?", "NullableInterfaceOfNullableDynamicType")]
[TestCase("Action<string>", "ActionOfReferenceType")]
[TestCase("Action<string?>", "ActionOfNullableReferenceType")]
[TestCase("Action<string>?", "NullableActionOfReferenceType")]
[TestCase("Action<string?>?", "NullableActionOfNullableReferenceType")]
[TestCase("Dictionary<string,string>", "DictionaryOfReferenceType")]
[TestCase("Dictionary<string,string>?", "NullableDictionaryOfReferenceType")]
[TestCase("Dictionary<string?,string?>", "DictionaryOfNullableReferenceType")]
[TestCase("Dictionary<string?,string?>?", "NullableDictionaryOfNullableReferenceType")]
[TestCase("Dictionary<string,string?>", "DictionaryOfNullableReferenceTypeValue")]
[TestCase("Dictionary<string,string?>?", "NullableDictionaryOfNullableReferenceTypeValue")]
[TestCase("Dictionary<string?,string>?", "NullableDictionaryOfNullableReferenceTypeKey")]
[TestCase("Dictionary<Dictionary<string,string>,Dictionary<string,string>>", "DictionaryOfDictionaryOfReferenceType")]
[TestCase("Dictionary<Dictionary<string,string>?,Dictionary<string,string>?>?", "NullableDictionaryOfNullableDictionaryOfReferenceType")]
[TestCase("Dictionary<Dictionary<string?,string?>?,Dictionary<string?,string?>?>?", "NullableDictionaryOfNullableDictionaryOfNullableReferenceType")]
[TestCase("Dictionary<string,Dictionary<string,string>>", "DictionaryOfReferenceTypeKeyAndDictionaryOfReferenceTypeValue")]
[TestCase("Dictionary<string,Dictionary<string,string>>?", "NullableDictionaryOfReferenceTypeKeyAndDictionaryOfReferenceTypeValue")]
[TestCase("Dictionary<string?,Dictionary<string,string>?>?", "NullableDictionaryOfNullableReferenceTypeKeyAndNullableDictionaryOfReferenceTypeValue")]
[TestCase("Dictionary<string?,Dictionary<string?,string?>?>?", "NullableDictionaryOfNullableReferenceTypeKeyAndNullableDictionaryOfNullableReferenceTypeValue")]
[TestCase("Dictionary<string,Tuple<string,string>>", "DictionaryOfReferenceTypeKeyAndTupleOfReferenceTypeValue")]
[TestCase("Dictionary<string,Tuple<string,string>>?", "NullableDictionaryOfReferenceTypeKeyAndTupleOfReferenceTypeValue")]
[TestCase("Dictionary<string?,Tuple<string,string>?>?", "NullableDictionaryOfNullableReferenceTypeKeyAndNullableTupleOfReferenceTypeValue")]
[TestCase("Dictionary<string?,Tuple<string?,string?>?>?", "NullableDictionaryOfNullableReferenceTypeKeyAndNullableTupleOfNullableReferenceTypeValue")]
public void TypeName(string returnType, string methodName)
{
// Test single parameter and return type for method, extension method, property, field, event, delegate.
// They have the same process logic that we just test once the type of them.
TestMethodSignature(NullableReferenceTypesAssemblyPath, "mdoc.Test.NullableReferenceTypes.CommonType",
methodName, $"public {returnType} {methodName} ();");
}
[TestCase("ParamsArrayOfNullableValueType", "int i, params int?[] array")]
[TestCase("ParamsArrayOfNullableReferenceType", "string s, params object?[] array")]
[TestCase("NullableAndNonNullableValueType", "int i1, int? i2, int i3")]
[TestCase("NullableAndNonNullableReferenceType", "string s1, string? s2, string s3")]
[TestCase("NullableGenericValueTypeOfValueType", "ReadOnlySpan<int> s1, ReadOnlySpan<int?> s2, ReadOnlySpan<int> s3")]
[TestCase("NullableGenericValueTypeOfReferenceType", "ReadOnlySpan<string> s1, ReadOnlySpan<string?> s2, ReadOnlySpan<string> s3")]
[TestCase("NullableAndNonNullableInterfaceOfValueType", "ICollection<int> collection1, ICollection<int>? collection2, ICollection<int> collection3")]
[TestCase("NullableAndNonNullableInterfaceOfReferenceType", "ICollection<string> collection1, ICollection<string>? collection2, ICollection<string> collection3")]
[TestCase("NonNullableValueTypeWithOutModifier", "string? value, out bool result")]
[TestCase("NonNullableValueTypeWithRefModifier", "string? value, ref bool result")]
public void MethodParameter(string methodName, string methodParameter)
{
TestMethodSignature(NullableReferenceTypesAssemblyPath, "mdoc.Test.NullableReferenceTypes.MethodParameter",
methodName, $"public void {methodName} ({methodParameter});");
}
[TestCase("GenericType", "<T> ({0})", "T t")]
[TestCase("GenericReferenceType", "<T> ({0}) where T : class", "T t")]
[TestCase("GenericNullableReferenceType", "<T> ({0}) where T : class", "T? t")]
[TestCase("ActionOfGenericNullableReferenceType", "<T> ({0}) where T : class", "Action<T?> t")]
[TestCase("NullableActionOfGenericNullableReferenceType", "<T> ({0}) where T : class", "Action<T?>? t")]
[TestCase("FuncGenericNullableReferenceType", "<T> ({0}) where T : class", "Func<T?> t")]
[TestCase("NullableFuncGenericNullableReferenceType", "<T> ({0}) where T : class", "Func<T?>? t")]
[TestCase("GenericNonNullableAndNullableReferenceType", "<T1,T2> ({0}) where T2 : class", "T1 t1, T2? t2")]
[TestCase("GenericValueType", "<T> ({0}) where T : struct", "T t")]
[TestCase("GenericNullableValueType", "<T> ({0}) where T : struct", "T? t")]
[TestCase("ActionOfGenericNullableValueType", "<T> ({0}) where T : struct", "Action<T?> action")]
[TestCase("NullableActionOfGenericNullableValueType", "<T> ({0}) where T : struct", "Action<T?>? action")]
[TestCase("FuncGenericNullableValueType", "<T> ({0}) where T : struct", "Func<T?> func")]
[TestCase("NullableFuncGenericNullableValueType", "<T> ({0}) where T : struct", "Func<T?>? func")]
[TestCase("GenericNonNullableAndNullableValueType", "<T1,T2> ({0}) where T2 : struct", "T1 t1, T2? t2")]
[TestCase("GenericTypeWithNullableParameters1", " ({0})", "GenericType<string?,int?,bool?> p")]
[TestCase("GenericTypeWithNullableParameters2", " ({0})", "GenericType<string?,int,bool> p")]
[TestCase("GenericTypeWithNullableParameters3", " ({0})", "GenericType<string,int,bool> p")]
[TestCase("GenericTypeWithNullableParameters4", " ({0})", "GenericType<string?,string> p")]
[TestCase("GenericTypeWithNullableParameters5", " ({0})", "GenericType<int?,int> p")]
[TestCase("GenericTypeWithNullableParameters6", " ({0})", "GenericType<bool?,bool> p")]
public void GenericMethodParameter(string methodName, string otherPartOfMethodSignature, string genericParameter)
{
TestMethodSignature(NullableReferenceTypesAssemblyPath, "mdoc.Test.NullableReferenceTypes.GenericMethodParameter",
methodName, $"public void {methodName}{string.Format(otherPartOfMethodSignature, genericParameter)};");
}
[TestCase("T", "GenericType", "<T> ()")]
[TestCase("T", "GenericReferenceType", "<T> () where T : class")]
[TestCase("T?", "GenericNullableReferenceType", "<T> () where T : class")]
[TestCase("T", "GenericValueType", "<T> () where T : struct")]
[TestCase("T?", "GenericNullableValueType", "<T> () where T : struct")]
[TestCase("GenericType<string?,int?,bool?>", "GenericReturnValueWithNullableParameters1", " ()")]
[TestCase("GenericType<string?,int,bool>", "GenericReturnValueWithNullableParameters2", " ()")]
[TestCase("GenericType<string,int,bool>", "GenericReturnValueWithNullableParameters3", " ()")]
[TestCase("GenericType<string?,string>", "GenericReturnValueWithNullableParameters4", " ()")]
[TestCase("GenericType<int?,int>", "GenericReturnValueWithNullableParameters5", " ()")]
[TestCase("GenericType<bool?,bool>", "GenericReturnValueWithNullableParameters6", " ()")]
public void GenericMethodReturnType(string returnType, string methodName, string otherPartOfMethodSignature)
{
TestMethodSignature(NullableReferenceTypesAssemblyPath, "mdoc.Test.NullableReferenceTypes.GenericMethodReturnType",
methodName, $"public {returnType} {methodName}{otherPartOfMethodSignature};");
}
[TestCase("T", "GenericType")]
[TestCase("TClass", "GenericReferenceType")]
[TestCase("TClass?", "GenericNullableReferenceType")]
[TestCase("TStruct", "GenericValueType")]
[TestCase("TStruct?", "GenericNullableValueType")]
public void GenericPropertyReturnType(string returnType, string propertyName)
{
TestPropertySignature(NullableReferenceTypesAssemblyPath, $"mdoc.Test.NullableReferenceTypes.{GetGenericTypeILName("GenericPropertyReturnType<T, TClass, TStruct>")}",
propertyName, $"public {returnType} {propertyName} {{ get; }}");
}
[TestCase("EventHandler", "EventHandler")]
[TestCase("EventHandler?", "NullableEventHandler")]
[TestCase("EventHandler<EventArgs>", "GenericEventHandler")]
[TestCase("EventHandler<EventArgs?>", "GenericEventHandlerOfNullableEventArgs")]
[TestCase("EventHandler<EventArgs>?", "NullableGenericEventHandler")]
[TestCase("EventHandler<EventArgs?>?", "NullableGenericEventHandlerOfNullableEventArgs")]
public void EventDelegateType(string delegateType, string eventName)
{
TestEventSignature(NullableReferenceTypesAssemblyPath, "mdoc.Test.NullableReferenceTypes.Event",
eventName, $"public event {delegateType} {eventName};");
}
[TestCase("Handler", "object sender, EventArgs args")]
[TestCase("NullableSender", "object? sender, EventArgs args")]
[TestCase("NullableSenderAndEventArgs", "object? sender, EventArgs? args")]
public void DelegateTypeParameter(string delegateName, string delegateParameter)
{
TestTypeSignature(NullableReferenceTypesAssemblyPath, $"mdoc.Test.NullableReferenceTypes.Delegate.{delegateName}",
$"public delegate void {delegateName}({delegateParameter});");
}
[TestCase("GenericHandler<TEventArgs>", "object sender, TEventArgs args", "{0}")]
[TestCase("NullableSender<TEventArgs>", "object? sender, TEventArgs args", "{0}")]
[TestCase("NullableSenderAndEventArgs<TEventArgs>", "object? sender, TEventArgs? args", "{0} where TEventArgs : class")]
[TestCase("ActionHandler<TClass,TStruct>", "TClass t1, TStruct t2", "{0} where TClass : class where TStruct : struct")]
[TestCase("NullableActionHandler<TClass,TStruct>", "TClass? t1, TStruct? t2", "{0} where TClass : class where TStruct : struct")]
public void GenericDelegateTypeParameter(string delegateName, string delegateParameter, string otherPartOfMethodSignature)
{
TestTypeSignature(NullableReferenceTypesAssemblyPath, $"mdoc.Test.NullableReferenceTypes.Delegate.{GetGenericTypeILName(delegateName)}",
$"public delegate void {delegateName}{string.Format(otherPartOfMethodSignature, $"({delegateParameter})")};");
}
[TestCase("TReturn", "FuncHandler<TReturn>", "()")]
[TestCase("TReturn?", "NullableReferenceType<TReturn>", "() where TReturn : class")]
[TestCase("TReturn?", "NullableValueType<TReturn>", "() where TReturn : struct")]
public void GenericDelegateTypeReturnType(string returnType, string delegateName, string otherPartOfMethodSignature)
{
TestTypeSignature(NullableReferenceTypesAssemblyPath, $"mdoc.Test.NullableReferenceTypes.Delegate.{GetGenericTypeILName(delegateName)}",
$"public delegate {returnType} {delegateName}{otherPartOfMethodSignature};");
}
[TestCase("NonNullableAndNullableValueType", "int i1, int? i2, int i3")]
[TestCase("NonNullableAndNullableReferenceType", "string s1, string? s2, string s3")]
[TestCase("InterfaceOfValueType", "ICollection<int> collection1, ICollection<int>? collection2, ICollection<int> collection3")]
[TestCase("InterfaceOfReferenceType", "ICollection<string> collection1, ICollection<string>? collection2, ICollection<string> collection3")]
public void ConstructorParameter(string typeName, string constructorParameter)
{
TestMethodSignature(NullableReferenceTypesAssemblyPath, $"mdoc.Test.NullableReferenceTypes.Constructor.{typeName}",
".ctor", $"public {typeName} ({constructorParameter});");
}
[TestCase("GenericFieldType<T>", "T", "GenericType")]
[TestCase("GenericFieldTypeOfValueType<T>", "T", "GenericType")]
[TestCase("GenericFieldTypeOfValueType<T>", "T?", "NullableGenericType")]
[TestCase("GenericFieldTypeOfValueType<T>", "ICollection<T>", "InterfaceOfGenericType")]
[TestCase("GenericFieldTypeOfValueType<T>", "ICollection<T?>", "InterfaceOfNullableGenericType")]
[TestCase("GenericFieldTypeOfValueType<T>", "ICollection<T>?", "NullableInterfaceOfGenericType")]
[TestCase("GenericFieldTypeOfValueType<T>", "ICollection<T?>?", "NullableInterfaceOfNullableGenericType")]
[TestCase("GenericFieldTypeOfValueType<T>", "Dictionary<Dictionary<T,string>,string>", "DictionaryOfDictionary")]
[TestCase("GenericFieldTypeOfValueType<T>", "Dictionary<Dictionary<T?,string>,string>", "DictionaryOfDictionaryOfNullableGenericTypeKey")]
[TestCase("GenericFieldTypeOfValueType<T>", "Dictionary<Dictionary<T?,string>,string>?", "NullableDictionaryOfDictionaryOfNullableGenericTypeKey")]
[TestCase("GenericFieldTypeOfReferenceType<T>", "T", "GenericType")]
[TestCase("GenericFieldTypeOfReferenceType<T>", "T?", "NullableGenericType")]
[TestCase("GenericFieldTypeOfReferenceType<T>", "ICollection<T>", "InterfaceOfGenericType")]
[TestCase("GenericFieldTypeOfReferenceType<T>", "ICollection<T?>", "InterfaceOfNullableGenericType")]
[TestCase("GenericFieldTypeOfReferenceType<T>", "ICollection<T>?", "NullableInterfaceOfGenericType")]
[TestCase("GenericFieldTypeOfReferenceType<T>", "ICollection<T?>?", "NullableInterfaceOfNullableGenericType")]
[TestCase("GenericFieldTypeOfReferenceType<T>", "Dictionary<Dictionary<T,string>,string>", "DictionaryOfDictionary")]
[TestCase("GenericFieldTypeOfReferenceType<T>", "Dictionary<Dictionary<T?,string>,string>", "DictionaryOfDictionaryOfNullableGenericTypeKey")]
[TestCase("GenericFieldTypeOfReferenceType<T>", "Dictionary<Dictionary<T?,string>,string>?", "NullableDictionaryOfDictionaryOfNullableGenericTypeKey")]
public void GenericFieldReturnType(string typeName, string returnType, string fieldName)
{
TestFieldSignature(NullableReferenceTypesAssemblyPath, $"mdoc.Test.NullableReferenceTypes.{GetGenericTypeILName(typeName)}",
fieldName, $"public {returnType} {fieldName};");
}
[TestCase("NullableAndNonNullableValueType", "this int? type, int? i1, int i2, int? i3")]
[TestCase("NullableAndNonNullableNullableReferenceType", "this string? type, string? s1, string s2, string? s3")]
[TestCase("NullableAndNonNullableNullableReferenceTypeAndValueType", "this string? type, string? s1, int? i1, int i2, string s2, string? s3")]
public void ExtensionMethodParameter(string methodName, string methodParameter)
{
TestMethodSignature(NullableReferenceTypesAssemblyPath, "mdoc.Test.NullableReferenceTypes.ExtensionMethod",
methodName, $"public static void {methodName} ({methodParameter});");
}
[TestCase("Student", "op_Addition", "Student operator +", "Student s1, Student s2")]
[TestCase("Student", "op_Subtraction", "Student? operator -", "Student? s1, Student? s2")]
[TestCase("Student", "op_Multiply", "Student operator *", "Student s1, Student? s2")]
[TestCase("Student", "op_Division", "Student operator /", "Student? s1, Student s2")]
[TestCase("Student", "op_Implicit", "implicit operator ExamScore", "Student? s")]
[TestCase("Student", "op_Explicit", "explicit operator Student?", "ExamScore? s")]
[TestCase("ExamScore", "op_Addition", "ExamScore operator +", "ExamScore s1, ExamScore s2")]
[TestCase("ExamScore", "op_Subtraction", "ExamScore? operator -", "ExamScore? s1, ExamScore? s2")]
[TestCase("ExamScore", "op_Multiply", "ExamScore operator *", "ExamScore s1, ExamScore? s2")]
[TestCase("ExamScore", "op_Division", "ExamScore operator /", "ExamScore? s1, ExamScore s2")]
[TestCase("ExamScore", "op_Implicit", "implicit operator ExamScore", "Student? s")]
[TestCase("ExamScore", "op_Explicit", "explicit operator Student?", "ExamScore? s")]
public void OperatorOverloading(string typeName, string methodName, string operatorName, string methodParameter)
{
TestMethodSignature(NullableReferenceTypesAssemblyPath, $"mdoc.Test.NullableReferenceTypes.OperatorOverloading.{typeName}",
methodName, $"public static {operatorName} ({methodParameter});");
}
private string GetGenericTypeILName(string genericTypeName)
{
var startParameterIndex = genericTypeName.IndexOf('<');
var endParameterIndex = genericTypeName.IndexOf('>');
if (startParameterIndex != -1 && endParameterIndex != -1 && endParameterIndex == genericTypeName.Length - 1)
{
var parameterList = genericTypeName.Substring(startParameterIndex + 1, endParameterIndex - startParameterIndex - 1);
var parameterCount = parameterList.Split(',').Count();
var genericTypeNameWithoutParameter = genericTypeName.Substring(0, startParameterIndex);
return $"{genericTypeNameWithoutParameter}`{parameterCount}";
}
throw new ArgumentException("The generic type name is not a valid value.", nameof(genericTypeName));
}
}
}
|
