public static void TestThatAllPossibleOperandTypesAreSupported(Dictionary <DataType, HashSet <DataType> > supportedOperandTypes, Func <InternalDataTypeBase, InternalDataTypeBase, InternalDataTypeBase> operation, string operationDescription)
{
var allTypePairs = (new[] { EnumExtensions.GetEnumCollection <DataType>(), EnumExtensions.GetEnumCollection <DataType>() })
.CartesianProduct()
.Select(r => new DataTypePair <DataType>(r.First(), r.Last()))
.Distinct();
var supportedTypes = allTypePairs
.Where(p => supportedOperandTypes.ContainsKey(p.Left) && supportedOperandTypes[p.Left].Contains(p.Right))
.ToList();
foreach (var pair in allTypePairs)
{
var valuePair = new DataTypeValuePair <DataType>(MakeDataType(pair.Left), MakeDataType(pair.Right));
var act = new Action(() => _ = operation(valuePair.Left as InternalDataTypeBase, valuePair.Right as InternalDataTypeBase));
if (supportedTypes.Contains(pair))
{
act.Should().NotThrow($"a {pair.Left} and {pair.Right} should be able to be {operationDescription}");
}
else
{
act.Should().Throw <Exception>($"a {pair.Left} and {pair.Right} should not be able to be {operationDescription}");
}
}
}
