public void IsAssignableFromTest()
{
// | Fruit : IFruit (abstract)
// |-> Apple : Fruit, IFruit, IRedSkinned -> GrannySmith
// |-> Banana : Fruit, IFruit
var reference = "Insert initialization of parameter ´reference´ here";
object targetOfAssignment = new Apple();
Guard.IsAssignableFrom <Apple>(() => reference, targetOfAssignment);
targetOfAssignment = new Apple();
Guard.IsAssignableFrom <GrannySmith>(() => reference, targetOfAssignment);
targetOfAssignment = new Banana();
Assert.Throws <ArgumentException>(() => Guard.IsAssignableFrom <IFruit>(() => reference, targetOfAssignment));
targetOfAssignment = new AndNowToSomethingCompletelyDifferent();
Assert.Throws <ArgumentException>(() => Guard.IsAssignableFrom <Fruit>(() => reference, targetOfAssignment));
}
public void CanBeAssignedToTest()
{
// | Fruit : IFruit (abstract)
// |-> Apple : Fruit, IFruit, IRedSkinned
// |-> Banana : Fruit, IFruit
var reference = "Insert initialization of parameter ´reference´ here";
object targetType = new Apple();
Guard.CanBeAssignedTo<Apple>(() => reference, targetType);
targetType = new Apple();
Guard.CanBeAssignedTo<Fruit>(() => reference, targetType);
targetType = new Apple();
Guard.CanBeAssignedTo<IRedSkinned>(() => reference, targetType);
targetType = new Banana();
Assert.Throws<ArgumentException>(() => Guard.CanBeAssignedTo<IRedSkinned>(() => reference, targetType));
targetType = new AndNowToSomethingCompletelyDifferent();
Assert.Throws<ArgumentException>(() => Guard.CanBeAssignedTo<IFruit>(() => reference, targetType));
}
public void CanBeAssignedToTest()
{
// | Fruit : IFruit (abstract)
// |-> Apple : Fruit, IFruit, IRedSkinned
// |-> Banana : Fruit, IFruit
var reference = "Insert initialization of parameter ´reference´ here";
object targetType = new Apple();
Guard.CanBeAssignedTo <Apple>(() => reference, targetType);
targetType = new Apple();
Guard.CanBeAssignedTo <Fruit>(() => reference, targetType);
targetType = new Apple();
Guard.CanBeAssignedTo <IRedSkinned>(() => reference, targetType);
targetType = new Banana();
Assert.Throws <ArgumentException>(() => Guard.CanBeAssignedTo <IRedSkinned>(() => reference, targetType));
targetType = new AndNowToSomethingCompletelyDifferent();
Assert.Throws <ArgumentException>(() => Guard.CanBeAssignedTo <IFruit>(() => reference, targetType));
}
public void IsAssignableFromTest()
{
// | Fruit : IFruit (abstract)
// |-> Apple : Fruit, IFruit, IRedSkinned -> GrannySmith
// |-> Banana : Fruit, IFruit
var reference = "Insert initialization of parameter ´reference´ here";
object targetOfAssignment = new Apple();
Guard.IsAssignableFrom<Apple>(() => reference, targetOfAssignment);
targetOfAssignment = new Apple();
Guard.IsAssignableFrom<GrannySmith>(() => reference, targetOfAssignment);
targetOfAssignment = new Banana();
Assert.Throws<ArgumentException>(() => Guard.IsAssignableFrom<IFruit>(() => reference, targetOfAssignment));
targetOfAssignment = new AndNowToSomethingCompletelyDifferent();
Assert.Throws<ArgumentException>(() => Guard.IsAssignableFrom<Fruit>(() => reference, targetOfAssignment));
}