public async Task WithElvisOperatorCreatesDiagnostic(string methodName, DiagnosticId diagnosticId)
{
var source = $@"
using System;
using System.Linq;
class TypeSymbol
{{
public System.Collections.Generic.IList<int> AllInterfaces;
}}
class TypeName
{{
void Foo()
{{
var typeSymbol = new TypeSymbol();
var y = typeSymbol?.AllInterfaces.{methodName}(i => i == 1);
}}
}}";
var expected = new DiagnosticResult
{
Id = diagnosticId.ToDiagnosticId(),
Message = diagnosticId == DiagnosticId.ChangeAnyToAll ? ChangeAnyToAllAnalyzer.MessageAny : ChangeAnyToAllAnalyzer.MessageAll,
Severity = DiagnosticSeverity.Hidden,
Locations = new[] { new DiagnosticResultLocation("Test0.cs", 13, 43) }
};
await VerifyCSharpDiagnosticAsync(source, expected);
}
public async Task AnyAndAllWithLinqCreatesDiagnostic(string code, int column, DiagnosticId diagnosticId)
{
var source = code.WrapInCSharpMethod(usings: "\nusing System.Linq;");
var expected = new DiagnosticResult(diagnosticId.ToDiagnosticId(), DiagnosticSeverity.Hidden)
.WithLocation(13, column)
.WithMessage(diagnosticId == DiagnosticId.ChangeAnyToAll ? ChangeAnyToAllAnalyzer.MessageAny : ChangeAnyToAllAnalyzer.MessageAll);
await VerifyCSharpDiagnosticAsync(source, expected);
}
private static DiagnosticResult CreateNameofDiagnosticResult(string nameofArgument, int diagnosticLine, int diagnosticColumn, DiagnosticId id = DiagnosticId.NameOf)
{
return(new DiagnosticResult
{
Id = id.ToDiagnosticId(),
Message = $"Use 'nameof({nameofArgument})' instead of specifying the program element name.",
Severity = DiagnosticSeverity.Warning,
Locations = new[] { new DiagnosticResultLocation("Test0.cs", diagnosticLine, diagnosticColumn) }
});
}
public async Task NegationWithCoalesceExpressionCreatesDiagnostic(string methodName, DiagnosticId diagnosticId)
{
var source = $@"
var ints = new [] {{ 1 }};
var query = !ints?.{methodName}(i => i == 1) ?? true;";
var expected = new DiagnosticResult(diagnosticId.ToDiagnosticId(), DiagnosticSeverity.Hidden)
.WithLocation(13, 20)
.WithMessage(diagnosticId == DiagnosticId.ChangeAnyToAll ? ChangeAnyToAllAnalyzer.MessageAny : ChangeAnyToAllAnalyzer.MessageAll);
await VerifyCSharpDiagnosticAsync(source.WrapInCSharpMethod(usings: "\nusing System.Linq;"), expected);
}
public async Task ExpressionBodiedMemberCreatesDiagnostic(string methodName, DiagnosticId diagnosticId)
{
var source = $@"
using System;
using System.Linq;
class TypeName
{{
private System.Collections.Generic.IList<int> xs;
bool Foo() => xs.{methodName}(i => i == 1);
}}";
var expected = new DiagnosticResult(diagnosticId.ToDiagnosticId(), DiagnosticSeverity.Hidden)
.WithLocation(7, 22)
.WithMessage(diagnosticId == DiagnosticId.ChangeAnyToAll ? ChangeAnyToAllAnalyzer.MessageAny : ChangeAnyToAllAnalyzer.MessageAll);
await VerifyCSharpDiagnosticAsync(source, expected);
}
public static string ForDiagnostic(DiagnosticId diagnosticId) =>
$"https://code-cracker.github.io/diagnostics/{diagnosticId.ToDiagnosticId()}.html";
public static string ForDiagnostic(DiagnosticId diagnosticId) =>
$"https://code-cracker.github.io/diagnostics/{diagnosticId.ToDiagnosticId()}.html";
private static DiagnosticResult CreateNameofDiagnosticResult(string nameofArgument, int diagnosticLine, int diagnosticColumn, DiagnosticId id = DiagnosticId.NameOf)
{
return(new DiagnosticResult(id.ToDiagnosticId(), DiagnosticSeverity.Warning)
.WithLocation(diagnosticLine, diagnosticColumn)
.WithMessage($"Use 'nameof({nameofArgument})' instead of specifying the program element name."));
}