public void GetSumType_ExpandFalse()
{
Type GetSumType <T>() => RemoteGroupExpressionCompiler.GetSumType(typeof(T), false);
// Validation: check lambda type in new T[0].Sum(i => i)
Assert.Equal(typeof(int), GetSumType <sbyte>());
Assert.Equal(typeof(int), GetSumType <byte>());
Assert.Equal(typeof(int), GetSumType <short>());
Assert.Equal(typeof(int), GetSumType <ushort>());
Assert.Equal(typeof(int), GetSumType <int>());
Assert.Equal(typeof(long), GetSumType <uint>());
Assert.Equal(typeof(long), GetSumType <long>());
Assert.Equal(typeof(decimal), GetSumType <ulong>());
Assert.Equal(typeof(float), GetSumType <float>());
Assert.Equal(typeof(double), GetSumType <double>());
Assert.Equal(typeof(decimal), GetSumType <decimal>());
}
public void GetSumType_ExpandTrue()
{
Type GetSumType <T>() => RemoteGroupExpressionCompiler.GetSumType(typeof(T), true);
// Don't convert integer types to decimal because SQL decimals have variable precision
// Except for UInt64 for which there is no better choice
Assert.Equal(typeof(long), GetSumType <sbyte>());
Assert.Equal(typeof(long), GetSumType <byte>());
Assert.Equal(typeof(long), GetSumType <short>());
Assert.Equal(typeof(long), GetSumType <ushort>());
Assert.Equal(typeof(long), GetSumType <int>());
Assert.Equal(typeof(long), GetSumType <uint>());
Assert.Equal(typeof(long), GetSumType <long>());
Assert.Equal(typeof(decimal), GetSumType <ulong>());
Assert.Equal(typeof(double), GetSumType <float>());
Assert.Equal(typeof(double), GetSumType <double>());
Assert.Equal(typeof(decimal), GetSumType <decimal>());
}