public void MainTest()
{
Xtensive.Tuples.Tuple source = Tuple.Create(1);
MapTransform transform = new MapTransform(true, TupleDescriptor.Create <byte, int, string>(), new[] { -1, 0 });
Xtensive.Tuples.Tuple result = transform.Apply(TupleTransformType.TransformedTuple, source);
Assert.AreEqual(TupleFieldState.Default, result.GetFieldState(0));
Assert.AreEqual(TupleFieldState.Available, result.GetFieldState(1));
Assert.AreEqual(TupleFieldState.Default, result.GetFieldState(2));
}
public void GetFieldStateTest()
{
Xtensive.Tuples.Tuple tuple = Xtensive.Tuples.Tuple.Create(typeof(string));
TupleFieldState fieldState = tuple.GetFieldState(0);
Assert.IsTrue(Enum.IsDefined(typeof(TupleFieldState), fieldState));
}
private static void TestTuple(Xtensive.Tuples.Tuple tuple)
{
Assert.IsFalse(tuple.GetFieldState(0).IsAvailable());
try {
tuple.GetFieldState(0).IsNull();
throw new AssertionException("Value is not available. No one knows if it is null or not.");
} catch (InvalidOperationException) {
}
tuple.SetValue(0, 1);
Assert.IsTrue(tuple.GetFieldState(0).IsAvailable());
Assert.IsFalse(tuple.GetFieldState(0).IsNull());
Assert.IsTrue(tuple.GetFieldState(0).HasValue());
Assert.AreEqual(1, tuple.GetValue(0));
Assert.AreEqual(1, tuple.GetValue <int>(0));
Assert.AreEqual(new int?(1), tuple.GetValue <int?>(0));
tuple.SetValue(0, null);
Assert.IsTrue(tuple.GetFieldState(0).IsAvailable());
Assert.IsTrue(tuple.GetFieldState(0).IsNull());
Assert.IsFalse(tuple.GetFieldState(0).HasValue());
Assert.AreEqual(null, tuple.GetValue(0));
Assert.AreEqual(null, tuple.GetValue <int?>(0));
tuple.SetValue <int?>(0, null);
Assert.IsTrue(tuple.GetFieldState(0).IsAvailable());
Assert.IsTrue(tuple.GetFieldState(0).IsNull());
Assert.IsFalse(tuple.GetFieldState(0).HasValue());
Assert.AreEqual(null, tuple.GetValue(0));
Assert.AreEqual(null, tuple.GetValue <int?>(0));
Assert.AreEqual(null, tuple.GetValueOrDefault(0));
Assert.AreEqual(null, tuple.GetValueOrDefault <int?>(0));
try {
tuple.GetValue(1);
throw new AssertionException("Value should not be available.");
} catch (InvalidOperationException) {
}
try {
tuple.GetValue <string>(2);
throw new AssertionException("Value should not be available.");
} catch (InvalidOperationException) {
}
try {
tuple.GetValue <byte>(0);
throw new AssertionException("Null reference or Invalid cast exception should be thrown.");
}
catch (NullReferenceException) {}
catch (InvalidCastException) {}
Assert.IsTrue(tuple.Equals(tuple));
}