public static void TestPseudoCustomAttributes()
{
MethodInfo m = typeof(ParametersWithPseudoCustomtAttributes).Project().GetTypeInfo().GetDeclaredMethod("Foo");
ParameterInfo[] pis = m.GetParameters();
{
ParameterInfo p = pis[0];
CustomAttributeData cad = p.CustomAttributes.Single(c => c.AttributeType == typeof(InAttribute).Project());
InAttribute i = cad.UnprojectAndInstantiate <InAttribute>();
}
{
ParameterInfo p = pis[1];
CustomAttributeData cad = p.CustomAttributes.Single(c => c.AttributeType == typeof(OutAttribute).Project());
OutAttribute o = cad.UnprojectAndInstantiate <OutAttribute>();
}
{
ParameterInfo p = pis[2];
CustomAttributeData cad = p.CustomAttributes.Single(c => c.AttributeType == typeof(OptionalAttribute).Project());
OptionalAttribute o = cad.UnprojectAndInstantiate <OptionalAttribute>();
}
{
ParameterInfo p = pis[3];
CustomAttributeData cad = p.CustomAttributes.Single(c => c.AttributeType == typeof(MarshalAsAttribute).Project());
MarshalAsAttribute ma = cad.UnprojectAndInstantiate <MarshalAsAttribute>();
Assert.Equal(UnmanagedType.I4, ma.Value);
}
}
public static void TestMarshalAsPseudoCustomAttribute(string fieldName, MarshalAsAttribute expected)
{
TypeInfo ecmaType = typeof(MarshalAsHolders).Project().GetTypeInfo();
FieldInfo ecmaField = ecmaType.GetDeclaredField(fieldName);
Assert.NotNull(ecmaField);
CustomAttributeData cad = ecmaField.CustomAttributes.Single(c => c.AttributeType.Name == nameof(MarshalAsAttribute));
MarshalAsAttribute actual = cad.UnprojectAndInstantiate <MarshalAsAttribute>();
AssertEqual(expected, actual);
}
public static void TestExplicitOffsetPseudoCustomAttribute()
{
Type t = typeof(ExplicitFieldOffsets).Project();
{
FieldInfo f = t.GetField("X");
CustomAttributeData cad = f.CustomAttributes.Single(c => c.AttributeType == typeof(FieldOffsetAttribute).Project());
FieldOffsetAttribute foa = cad.UnprojectAndInstantiate <FieldOffsetAttribute>();
Assert.Equal(42, foa.Value);
}
{
FieldInfo f = t.GetField("Y");
CustomAttributeData cad = f.CustomAttributes.Single(c => c.AttributeType == typeof(FieldOffsetAttribute).Project());
FieldOffsetAttribute foa = cad.UnprojectAndInstantiate <FieldOffsetAttribute>();
Assert.Equal(65, foa.Value);
}
}
public static void TestDllImportPseudoCustomAttribute()
{
TypeInfo runtimeType = typeof(DllImportHolders).GetTypeInfo(); // Intentionally not projected - using to get expected results.
MethodInfo[] runtimeMethods = runtimeType.DeclaredMethods.OrderBy(m => m.Name).ToArray();
TypeInfo ecmaType = runtimeType.Project().GetTypeInfo();
MethodInfo[] ecmaMethods = ecmaType.DeclaredMethods.OrderBy(m => m.Name).ToArray();
Assert.Equal(runtimeMethods.Length, ecmaMethods.Length);
for (int i = 0; i < runtimeMethods.Length; i++)
{
DllImportAttribute expected = runtimeMethods[i].GetCustomAttribute <DllImportAttribute>();
CustomAttributeData cad = ecmaMethods[i].CustomAttributes.Single(c => c.AttributeType.Name == nameof(DllImportAttribute));
DllImportAttribute actual = cad.UnprojectAndInstantiate <DllImportAttribute>();
AssertEqual(expected, actual);
}
}
