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));
}
public void FieldAccessTest()
{
const int iterationCount = 10000000;
TupleDescriptor descriptor = TupleDescriptor.Create(shortFieldTypes);
Tuple tuple = Tuple.Create(descriptor);
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, (object)i);
}
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue(0, out state);
}
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, i);
}
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValue <int>(0);
}
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue <int>(0, out state);
}
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue <int?>(0, out state);
}
using (new Measurement("Tuple.SetValue?", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, null);
}
using (new Measurement("Tuple.SetValue", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, (object)i);
}
using (new Measurement("Tuple.GetValue", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValue(0);
}
using (new Measurement("Tuple.GetValue(_,_)", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue(0, out state);
}
using (new Measurement("Tuple.GetValueOrDefault", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValueOrDefault(0);
}
using (new Measurement("Tuple.SetValue<T>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, i);
}
using (new Measurement("Tuple.GetValue<T>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValue <int>(0);
}
using (new Measurement("Tuple.GetValue<T>(_,_)", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue <int>(0, out state);
}
using (new Measurement("Tuple.GetValueOrDefault<T>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValueOrDefault <int>(0);
}
using (new Measurement("Tuple.SetValue<T?>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, new int?(i));
}
using (new Measurement("Tuple.GetValue<T?>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValue <int?>(0);
}
using (new Measurement("Tuple.GetValue<T?>(_,_)", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue <int?>(0, out state);
}
using (new Measurement("Tuple.GetValueOrDefault<T?>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValueOrDefault <int?>(0);
}
}