public void DateTimeMode_DataType()
{
DataColumn col = new DataColumn("col", typeof(int));
Assert.Equal(DataSetDateTime.UnspecifiedLocal, col.DateTimeMode);
try
{
col.DateTimeMode = DataSetDateTime.Local;
Assert.False(true);
}
catch (InvalidOperationException e) { }
col = new DataColumn("col", typeof(DateTime));
col.DateTimeMode = DataSetDateTime.Utc;
Assert.Equal(DataSetDateTime.Utc, col.DateTimeMode);
col.DataType = typeof(int);
Assert.Equal(DataSetDateTime.UnspecifiedLocal, col.DateTimeMode);
}