public void NullableStateLocalFunctions()
{
const int nFunctions = 2000;
var builder = new StringBuilder();
builder.AppendLine("#nullable enable");
builder.AppendLine("class Program");
builder.AppendLine("{");
builder.AppendLine(" static void F(object arg)");
builder.AppendLine(" {");
for (int i = 0; i < nFunctions; i++)
{
builder.AppendLine($" _ = F{i}(arg);");
builder.AppendLine($" static object F{i}(object arg{i}) => arg{i};");
}
builder.AppendLine(" }");
builder.AppendLine("}");
var source = builder.ToString();
var comp = CreateCompilation(source);
var nullableAnalysisData = new NullableWalker.NullableAnalysisData();
comp.TestOnlyCompilationData = nullableAnalysisData;
comp.VerifyDiagnostics();
var method = comp.GetMember("Program.F");
Assert.Equal(1, nullableAnalysisData.Data[method].TrackedEntries);
}
public void AnalyzeMethodsInEnabledContextOnly()
{
const int nMethods = 10000;
var builder = new StringBuilder();
builder.AppendLine("static class Program");
builder.AppendLine("{");
for (int i = 0; i < nMethods; i++)
{
builder.AppendLine(i % 2 == 0 ? "#nullable enable" : "#nullable disable");
builder.AppendLine($" static object F{i}(object arg{i}) => arg{i};");
}
builder.AppendLine("}");
var source = builder.ToString();
var comp = CreateCompilation(source);
var nullableAnalysisData = new NullableWalker.NullableAnalysisData();
comp.TestOnlyCompilationData = nullableAnalysisData;
comp.VerifyDiagnostics();
int analyzed = nullableAnalysisData.Data.Where(pair => pair.Value.RequiredAnalysis).Count();
Assert.Equal(nMethods / 2, analyzed);
}