private static object CallCtorDelegate(XamlTypeInvoker type)
{
object uninitializedObject = FormatterServices.GetUninitializedObject(type._xamlType.UnderlyingType);
InvokeDelegate(type._constructorDelegate, uninitializedObject);
return uninitializedObject;
}
public void DefaultValues ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (object), sctx));
Assert.IsNull (i.SetMarkupExtensionHandler, "#1");
Assert.IsNull (i.SetTypeConverterHandler, "#2");
}
public void SetHandleMarkupExtensionInvalid3 ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (TestClassMarkupExtension3), sctx));
Assert.IsNull (i.SetMarkupExtensionHandler, "#1");
}
public void CreateInstanceList_ArgumentMismatch ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (List<int>), sctx));
i.CreateInstance (new object [] {"foo"});
}
public void CreateInstanceList ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (List<int>), sctx));
i.CreateInstance (new object [0]);
}
public void AddToCollectionNoUnderlyingType ()
{
var i = new XamlTypeInvoker (new XamlType ("urn:foo", "FooType", null, sctx));
i.AddToCollection (new List<int> (), 5); // ... passes.
}
public void CreateInstanceArray ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (int []), sctx));
i.CreateInstance (new object [0]); // no default constructor.
}
public void AddToCollectionList ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (List<int>), sctx));
var l = new List<int> ();
i.AddToCollection (l, 5);
i.AddToCollection (l, 3);
i.AddToCollection (l, -12);
Assert.AreEqual (3, l.Count, "#1");
Assert.AreEqual (-12, l [2], "#2");
}
public void AddToCollectionTypeMismatch ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (List<int>), sctx));
var l = new List<int> ();
i.AddToCollection (l, "5");
}
public void AddToCollectionList_ObjectTypeMismatch4 ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (List<Uri>), sctx));
i.AddToCollection (new List<TimeSpan> (), TimeSpan.Zero); // it is allowed too.
}
public void AddToCollectionList_NonCollectionType ()
{
// so, the source collection type is not checked at all.
var i = new XamlTypeInvoker (new XamlType (typeof (Uri), sctx));
i.AddToCollection (new List<TimeSpan> (), TimeSpan.Zero); // it is allowed too.
}
public void AddToCollectionList_ObjectTypeMismatch3 ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (List<object>), sctx));
i.AddToCollection (new List<int> (), 5); // it is allowed too.
}
public void AddToCollectionList_ObjectTypeMismatch ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (List<int>), sctx));
try {
i.AddToCollection (new ArrayExtension (), 5);
Assert.Fail ("not supported operation.");
} catch (NotSupportedException) {
} catch (TargetException) {
// .NET throws this, but the difference should not really matter.
}
}
public void AddToCollectionArrayInstance ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (int []), sctx));
var ax = new ArrayExtension ();
i.AddToCollection (ax, 5);
}
public static object CreateInstance(XamlTypeInvoker type)
{
if (!EnsureConstructorDelegate(type))
{
return null;
}
return CallCtorDelegate(type);
}
public void CreateInstanceNoUnderlyingType ()
{
var i = new XamlTypeInvoker (new XamlType ("urn:foo", "FooType", null, sctx));
i.CreateInstance (new object [0]); // unkown type is not supported
}
private static bool EnsureConstructorDelegate(XamlTypeInvoker type)
{
if (type._constructorDelegate != null)
{
return true;
}
if (!type.IsPublic)
{
return false;
}
if (s_securityFailureWithCtorDelegate == ThreeValuedBool.NotSet)
{
s_securityFailureWithCtorDelegate = !AppDomain.CurrentDomain.PermissionSet.IsUnrestricted() ? ThreeValuedBool.True : ThreeValuedBool.False;
}
if (s_securityFailureWithCtorDelegate == ThreeValuedBool.True)
{
return false;
}
try
{
Type underlyingSystemType = type._xamlType.UnderlyingType.UnderlyingSystemType;
ConstructorInfo constructor = underlyingSystemType.GetConstructor(Type.EmptyTypes);
if (constructor == null)
{
throw new MissingMethodException(System.Xaml.SR.Get("NoDefaultConstructor", new object[] { underlyingSystemType.FullName }));
}
if ((constructor.IsSecurityCritical && !constructor.IsSecuritySafeCritical) || (((constructor.Attributes & MethodAttributes.HasSecurity) == MethodAttributes.HasSecurity) || ((underlyingSystemType.Attributes & TypeAttributes.HasSecurity) == TypeAttributes.HasSecurity)))
{
type._isPublic = ThreeValuedBool.False;
return false;
}
IntPtr functionPointer = constructor.MethodHandle.GetFunctionPointer();
object[] parameters = new object[2];
parameters[1] = functionPointer;
type._constructorDelegate = (Action<object>) s_actionCtor.Invoke(parameters);
return true;
}
catch (SecurityException)
{
s_securityFailureWithCtorDelegate = ThreeValuedBool.True;
return false;
}
}
public void SetHandleTypeConverter ()
{
var i = new XamlTypeInvoker (new XamlType (typeof (TestClassTypeConverter4), sctx));
Assert.IsNotNull (i.SetTypeConverterHandler, "#1");
}