public void PropertyAnnotator_WithInitializedAutoProperty_DoesNotAnnotateNullable(string classContent)
{
var(semantic, syntax) = CompiledSourceFileProvider.CompileInClass("TestClass", classContent);
var annotator = new PropertyNullAnnotator(semantic);
var annotated = annotator.Visit(syntax);
Assert.That(annotated, Is.EqualTo(syntax));
}
public void PropertyAnnotator_WithReadonlyPropertyInInterface_DoesNotAnnotateNullable()
{
var(semantic, syntax) = CompiledSourceFileProvider.CompileInNameSpace("TestNamespace",
@"public interface ITest
{
string Property { get; }
}");
var annotator = new PropertyNullAnnotator(semantic);
var annotated = annotator.Visit(syntax);
Assert.That(annotated, Is.EqualTo(syntax));
}
public void PropertyAnnotator_WithBlockGetterReturnsNull_AnnotatesNullable(string classContent)
{
var(semantic, syntax) = CompiledSourceFileProvider.CompileInClass("TestClass", classContent);
var annotator = new PropertyNullAnnotator(semantic);
var annotated = annotator.Visit(syntax);
Assert.That(annotated.DescendantNodesAndSelf().OfType <PropertyDeclarationSyntax>(), Has.One.Items);
var property = annotated.DescendantNodesAndSelf().OfType <PropertyDeclarationSyntax>().Single();
Assert.That(property.Type, Is.InstanceOf <NullableTypeSyntax>());
Assert.That(((NullableTypeSyntax)property.Type).ElementType.ToString(), Is.EqualTo("string"));
}
public void PropertyAnnotator_WithInitializedInMultipleCtorsAutoProperty_DoesNotAnnotateNullable()
{
var(semantic, syntax) = CompiledSourceFileProvider.CompileInClass(
"TestClass",
@"public TestClass () { A = """";}
public TestClass (string s) { A = s; }
public TestClass (string s, int i): this(s) { }
public string A {get;}");
var annotator = new PropertyNullAnnotator(semantic);
var annotated = annotator.Visit(syntax);
Assert.That(annotated, Is.EqualTo(syntax));
}
public void PropertyAnnotator_WithUninitializedAutoProperty_AnnotatesNullable()
{
var(semantic, syntax) = CompiledSourceFileProvider.CompileInClass(
"TestClass",
@"public TestClass () {}
public TestClass (string s) { A = s; }
public string A {get;}");
var annotator = new PropertyNullAnnotator(semantic);
var annotated = annotator.Visit(syntax);
Assert.That(annotated.DescendantNodesAndSelf().OfType <PropertyDeclarationSyntax>(), Has.One.Items);
var property = annotated.DescendantNodesAndSelf().OfType <PropertyDeclarationSyntax>().Single();
Assert.That(property.Type, Is.InstanceOf <NullableTypeSyntax>());
Assert.That(((NullableTypeSyntax)property.Type).ElementType.ToString(), Is.EqualTo("string"));
}