public void FormatStringShowCommaDelimitedParameters()
{
ITypeInfo type = Reflector.Wrap(typeof(NonGenericClass));
Dictionary <ISlotInfo, object> slotValues = new Dictionary <ISlotInfo, object>();
slotValues.Add(type.GetConstructors(PublicInstance)[1].Parameters[0], 1);
slotValues.Add(type.GetConstructors(PublicInstance)[1].Parameters[1], "abc");
ObjectCreationSpec spec = new ObjectCreationSpec(type, slotValues, NullConverter.Instance);
Assert.AreEqual("Foo(1, \"abc\")", spec.Format("Foo", RuntimeAccessor.ServiceLocator.Resolve <IFormatter>()));
}
protected override ConstructorInfo GetConstructorImpl(BindingFlags bindingAttr, Binder binder,
CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
{
foreach (var constructor in adapter.GetConstructors(bindingAttr))
{
if (ParameterListMatchesTypes(constructor.Parameters, types))
{
return(constructor.Resolve(false));
}
}
return(null);
}
public void AccessorCreatesNewObjectsThroughSlotBinding()
{
DataSource source = new DataSource("data");
source.AddDataSet(new ItemSequenceDataSet(new IDataItem[] { new ListDataItem <object>(new object[] { 42, typeof(int) }, null, false) }, 2));
IDataSourceResolver resolver = Mocks.StrictMock <IDataSourceResolver>();
using (Mocks.Record())
{
Expect.Call(resolver.ResolveDataSource("data")).Repeat.Twice().Return(source);
}
using (Mocks.Playback())
{
ITypeInfo type = Reflector.Wrap(typeof(Holder <>));
IConstructorInfo constructor = type.GetConstructors(BindingFlags.Instance | BindingFlags.Public)[0];
ISlotInfo valueSlot = constructor.Parameters[0];
ISlotInfo typeSlot = (IGenericParameterInfo)type.GenericArguments[0];
DataBindingContext context = new DataBindingContext(new NullConverter());
ObjectDataBinder binder = new ObjectDataBinder(type);
binder.SetSlotBinder(valueSlot, new ScalarDataBinder(new DataBinding(0, null), "data"));
binder.SetSlotBinder(typeSlot, new ScalarDataBinder(new DataBinding(1, null), "data"));
IDataAccessor accessor = binder.Register(context, resolver);
List <IDataItem> items = new List <IDataItem>(context.GetItems(true));
Assert.Count(1, items);
Holder <int> holder = (Holder <int>)accessor.GetValue(items[0]);
Assert.AreEqual(42, holder.Value, "Should have set the value via the constructor parameter.");
}
}
/// <summary>
/// Determines if the type can be instantiated using a public constructor.
/// </summary>
/// <param name="type">The type.</param>
/// <returns>True if the type can be instantiated.</returns>
public static bool CanInstantiate(ITypeInfo type)
{
return type != null
&& (type.TypeAttributes & (TypeAttributes.Abstract | TypeAttributes.Class | TypeAttributes.Public)) == (TypeAttributes.Class | TypeAttributes.Public)
&& type.ElementType == null
&& type.GetConstructors(BindingFlags.Instance | BindingFlags.Public).Count != 0;
}
/// <summary>
/// Determines if the type can be instantiated using a public constructor.
/// </summary>
/// <param name="type">The type.</param>
/// <returns>True if the type can be instantiated.</returns>
public static bool CanInstantiate(ITypeInfo type)
{
return(type != null &&
(type.TypeAttributes & (TypeAttributes.Abstract | TypeAttributes.Class | TypeAttributes.Public)) == (TypeAttributes.Class | TypeAttributes.Public) &&
type.ElementType == null &&
type.GetConstructors(BindingFlags.Instance | BindingFlags.Public).Count != 0);
}
public void FormatDescribesTheObject()
{
ITypeInfo type = Reflector.Wrap(typeof(GenericClass <>));
Dictionary <ISlotInfo, object> slotValues = new Dictionary <ISlotInfo, object>();
slotValues.Add((IGenericParameterInfo)type.GenericArguments[0], typeof(int));
slotValues.Add(type.GetConstructors(PublicInstance)[1].Parameters[0], 1);
slotValues.Add(type.GetFields(PublicInstance)[0], 2);
slotValues.Add(type.GetProperties(PublicInstance)[0], 3);
ObjectCreationSpec spec = new ObjectCreationSpec(type, slotValues, NullConverter.Instance);
Assert.AreEqual("Foo<int>(1): fieldValue=2, Property=3", spec.Format("Foo", RuntimeAccessor.ServiceLocator.Resolve <IFormatter>()));
}
public void CreateInstanceWithGenericStructInstantiation()
{
ITypeInfo type = Reflector.Wrap(typeof(GenericStruct <int>));
Dictionary <ISlotInfo, object> slotValues = new Dictionary <ISlotInfo, object>();
slotValues.Add(type.GetConstructors(PublicInstance)[0].Parameters[0], 1);
slotValues.Add(type.GetFields(PublicInstance)[0], 2);
slotValues.Add(type.GetProperties(PublicInstance)[0], 3);
ObjectCreationSpec spec = new ObjectCreationSpec(type, slotValues, NullConverter.Instance);
GenericStruct <int> instance = (GenericStruct <int>)spec.CreateInstance();
Assert.AreEqual(1, instance.constructorParamValue);
Assert.AreEqual(2, instance.fieldValue);
Assert.AreEqual(3, instance.propertyValue);
}
private static IConstructorInfo GetFirstConstructorWithPreferenceForPublicConsructor(ITypeInfo type)
{
IConstructorInfo result = null;
foreach (IConstructorInfo constructor in type.GetConstructors(ConstructorBindingFlags))
{
if (constructor.IsPublic)
{
return(constructor);
}
if (result == null)
{
result = constructor;
}
}
return(result);
}
/// <summary>
/// Infers whether the type is a test type based on its structure.
/// </summary>
/// <remarks>
/// <para>
/// Returns true if the type any associated patterns, if it has
/// non-nested type members (subject to <see cref="GetMemberBindingFlags" />)
/// with patterns, if it has generic parameters with patterns, or if any
/// of its nested types satisfy the preceding rules.
/// </para>
/// </remarks>
/// <param name="evaluator">The pattern evaluator.</param>
/// <param name="type">The type.</param>
/// <returns>True if the type is likely a test type.</returns>
protected virtual bool InferTestType(IPatternEvaluator evaluator, ITypeInfo type)
{
if (evaluator.HasPatterns(type))
{
return(true);
}
BindingFlags bindingFlags = GetMemberBindingFlags(type);
if (HasCodeElementWithPattern(evaluator, type.GetMethods(bindingFlags)) ||
HasCodeElementWithPattern(evaluator, type.GetProperties(bindingFlags)) ||
HasCodeElementWithPattern(evaluator, type.GetFields(bindingFlags)) ||
HasCodeElementWithPattern(evaluator, type.GetEvents(bindingFlags)))
{
return(true);
}
if (type.IsGenericTypeDefinition && HasCodeElementWithPattern(evaluator, type.GenericArguments))
{
return(true);
}
if (ShouldConsumeConstructors(type) &&
HasCodeElementWithPattern(evaluator, type.GetConstructors(ConstructorBindingFlags)))
{
return(true);
}
foreach (ITypeInfo nestedType in type.GetNestedTypes(NestedTypeBindingFlags))
{
if (InferTestType(evaluator, nestedType))
{
return(true);
}
}
return(false);
}
public void SpecPropertiesDescribeTheObject()
{
ITypeInfo type = Reflector.Wrap(typeof(GenericClass <>));
IConstructorInfo constructor = type.GetConstructors(PublicInstance)[1];
IParameterInfo constructorParameter = constructor.Parameters[0];
IFieldInfo field = type.GetFields(PublicInstance)[0];
IPropertyInfo property = type.GetProperties(PublicInstance)[0];
Dictionary <ISlotInfo, object> slotValues = new Dictionary <ISlotInfo, object>();
slotValues.Add((IGenericParameterInfo)type.GenericArguments[0], typeof(int));
slotValues.Add(constructorParameter, 1);
slotValues.Add(field, 2);
slotValues.Add(property, 3);
ObjectCreationSpec spec = new ObjectCreationSpec(type, slotValues, NullConverter.Instance);
Assert.AreSame(type, spec.Type);
Assert.AreSame(slotValues, spec.SlotValues);
Assert.AreSame(NullConverter.Instance, spec.Converter);
Assert.AreEqual(typeof(GenericClass <int>), spec.ResolvedType);
Assert.AreEqual(constructor, Reflector.Wrap(spec.ResolvedConstructor));
Assert.AreElementsEqual(new object[] { 1 }, spec.ResolvedConstructorArguments);
List <KeyValuePair <FieldInfo, object> > fieldValues = new List <KeyValuePair <FieldInfo, object> >(spec.ResolvedFieldValues);
Assert.Count(1, fieldValues);
Assert.AreEqual(field, Reflector.Wrap(fieldValues[0].Key));
Assert.AreEqual(2, fieldValues[0].Value);
List <KeyValuePair <PropertyInfo, object> > propertyValues = new List <KeyValuePair <PropertyInfo, object> >(spec.ResolvedPropertyValues);
Assert.Count(1, propertyValues);
Assert.AreEqual(property, Reflector.Wrap(propertyValues[0].Key));
Assert.AreEqual(3, propertyValues[0].Value);
}
