public void GetArgumentValue()
{
ConstructorArgumentValues values = new ConstructorArgumentValues();
Assert.IsNull(values.GetArgumentValue(0, typeof(object)), "Mmm... managed to get a non null instance back from an empty instance.");
values.AddGenericArgumentValue(DBNull.Value, typeof(DBNull).FullName);
values.AddNamedArgumentValue("foo", DBNull.Value);
values.AddIndexedArgumentValue(16, DBNull.Value, typeof(DBNull).FullName);
Assert.IsNull(values.GetArgumentValue(100, typeof(string)), "Mmm... managed to get a non null instance back from an instance that should have now't with the specified Type.");
ConstructorArgumentValues.ValueHolder value =
values.GetArgumentValue(-3, typeof(DBNull));
Assert.IsNotNull(value, "Stored a value of a specified Type at a specified index, but got null when retrieving it using the wrong index but the correct Type.");
Assert.AreSame(DBNull.Value, value.Value, "The retrieved value was not the exact same instance as was added.");
value = values.GetArgumentValue("foo", typeof(DBNull));
Assert.IsNotNull(value, "Stored a value of a specified Type under a name, but got null when retrieving it using the wrong name but the correct Type.");
Assert.AreSame(DBNull.Value, value.Value, "The retrieved value was not the exact same instance as was added.");
}
public void GetArgumentValueIgnoresAlreadyUsedValues()
{
ISet used = new ListSet();
ConstructorArgumentValues values = new ConstructorArgumentValues();
values.AddGenericArgumentValue(1);
values.AddNamedArgumentValue("2", 2);
values.AddIndexedArgumentValue(3, 3);
Type intType = typeof(int);
ConstructorArgumentValues.ValueHolder one = values.GetArgumentValue(10, string.Empty, intType, used);
Assert.AreEqual(1, one.Value);
used.Add(one);
ConstructorArgumentValues.ValueHolder two = values.GetArgumentValue(10, "2", intType, used);
Assert.AreEqual(2, two.Value);
used.Add(two);
ConstructorArgumentValues.ValueHolder three = values.GetArgumentValue(3, string.Empty, intType, used);
Assert.AreEqual(3, three.Value);
used.Add(three);
ConstructorArgumentValues.ValueHolder four = values.GetArgumentValue(10, string.Empty, intType, used);
Assert.IsNull(four);
}
