public static void TupleRestTypeConstructionTest()
{
var builder = new ValueTupleBuilder();
Equal(typeof(ValueTuple), builder.Build());
builder.Add <DateTime>();
Equal(typeof(ValueTuple <DateTime>), builder.Build());
builder.Add <string>();
Equal(typeof(ValueTuple <DateTime, string>), builder.Build());
builder.Add <int>();
Equal(typeof(ValueTuple <DateTime, string, int>), builder.Build());
for (int i = 0; i < 5; i++)
{
builder.Add <bool>();
}
Equal(8, builder.Count);
var tupleType = builder.Build();
Equal(typeof(ValueTuple <bool>), tupleType.GetField("Rest")?.FieldType);
var members = builder.Build(Expression.New, out _);
Equal(typeof(DateTime), members[0].Type);
Equal(typeof(bool), members[7].Type);
}
/// <summary>
/// Adds a new component into tuple.
/// </summary>
/// <param name="itemType">The type of the tuple component.</param>
public void Add(Type itemType)
{
if (Count < 7)
{
items.Add(itemType);
}
else if (Rest is null)
{
Rest = new ValueTupleBuilder()
{
itemType
}
}
;
else
{
Rest.Add(itemType);
}
}
public static void TupleTypeConstructionTest()
{
var builder = new ValueTupleBuilder();
Equal(typeof(ValueTuple), builder.Build());
builder.Add <DateTime>();
Equal(typeof(ValueTuple <DateTime>), builder.Build());
builder.Add <string>();
Equal(typeof(ValueTuple <DateTime, string>), builder.Build());
builder.Add <int>();
Equal(typeof(ValueTuple <DateTime, string, int>), builder.Build());
for (int i = 0; i < 16; i++)
{
builder.Add <bool>();
}
Equal(19, builder.Count);
var tupleType = builder.Build();
Equal(typeof(ValueTuple <, , , , , , ,>), tupleType.GetGenericTypeDefinition());
}