public void GetDelegate_ValueType_DefaultCtor_Boxing()
{
var info = new ConstructorLookupInfo(typeof(int));
var actual = (Func <object>)info.GetDelegate(typeof(Func <object>));
var instance = actual();
Assert.That(instance, Is.EqualTo(new int()));
}
public static T Create <T> (ParamList ctorArgs)
{
var info = new ConstructorLookupInfo(typeof(T));
var funcDelegate = info.GetDelegate(ctorArgs.FuncType);
return((T)ctorArgs.InvokeFunc(funcDelegate));
}
public void DynamicInvoke_ValueType_NonDefaultCtor()
{
var info = new ConstructorLookupInfo(typeof(DateTime));
var instance = info.DynamicInvoke(new[] { typeof(int), typeof(int), typeof(int) }, new object[] { 2012, 01, 02 });
Assert.That(instance, Is.EqualTo(new DateTime(2012, 01, 02)));
}
public void DynamicInvoke_ValueType_DefaultCtor()
{
var info = new ConstructorLookupInfo(typeof(int));
var instance = info.DynamicInvoke(new Type[0], new object[0]);
Assert.That(instance, Is.EqualTo(new int()));
}
public void GetDelegate_ValueType_NonDefaultCtor_BoxingInterface()
{
var info = new ConstructorLookupInfo(typeof(DateTime));
var actual = (Func <int, int, int, IComparable>)info.GetDelegate(typeof(Func <int, int, int, IComparable>));
var instance = actual(2012, 01, 02);
Assert.That(instance, Is.EqualTo(new DateTime(2012, 01, 02)));
}
public void GetDelegate_ImplicitConversion()
{
ConstructorLookupInfo lookupInfo = new ConstructorLookupInfo(typeof(TestClass));
var actual = (Func <Base, object>)lookupInfo.GetDelegate(typeof(Func <Base, object>));
var instance = actual(null);
Assert.That(instance, Is.TypeOf <TestClass>());
}
public void GetDelegate_WithAbstractType_Throws()
{
var info = new ConstructorLookupInfo(typeof(AbstractClass), BindingFlags.NonPublic | BindingFlags.Instance);
Assert.That(
() => info.GetDelegate(typeof(Func <AbstractClass>)),
Throws.InvalidOperationException.With.Message.EqualTo(
"Cannot create an instance of 'Remotion.Extensions.UnitTests.Reflection.TestDomain.AbstractClass' because it is an abstract type."));
}
public void GetDelegate_WithExactMatchFromDerivedDerived()
{
ConstructorLookupInfo lookupInfo = new ConstructorLookupInfo(typeof(TestClass));
var actual = (Func <DerivedDerived, TestClass>)lookupInfo.GetDelegate(typeof(Func <DerivedDerived, TestClass>));
TestClass instance = actual(null);
Assert.That(instance.InvocationType, Is.SameAs(typeof(Derived)));
}
public void DynamicInvoke()
{
var info = new ConstructorLookupInfo(typeof(AbstractClass), BindingFlags.NonPublic | BindingFlags.Instance);
Assert.That(
() => info.DynamicInvoke(new Type[0], new object[0]),
Throws.InvalidOperationException.With.Message.EqualTo(
"Cannot create an instance of 'Remotion.Extensions.UnitTests.Reflection.TestDomain.AbstractClass' because it is an abstract type."));
}