public void Expression_Exceptions()
{
DataTable dt = DataProvider.CreateParentDataTable();
try
{
dt.Columns[0].Unique = true;
dt.Columns[0].Expression = "sum(" + dt.Columns[0].ColumnName + ")";
Assert.Fail("dccee#1: Expression failed to throw ArgmentException");
}
catch (ArgumentException) {}
catch (AssertionException exc) { throw exc; }
catch (Exception exc)
{
Assert.Fail("dccee#2: Expression. Wrong exception type. Got:" + exc);
}
try
{
DataTable dt1 = DataProvider.CreateParentDataTable();
dt1.Columns[0].AutoIncrement = true;
dt1.Columns[0].Expression = "sum(" + dt1.Columns[0].ColumnName + ")";
Assert.Fail("dccee#3: Expression failed to throw ArgmentException");
}
catch (ArgumentException) {}
catch (AssertionException exc) { throw exc; }
catch (Exception exc)
{
Assert.Fail("dccee#4: Expression. Wrong exception type. Got:" + exc);
}
try
{
DataTable dt1 = DataProvider.CreateParentDataTable();
dt1.Constraints.Add(new UniqueConstraint(dt1.Columns[0], false));
dt1.Columns[0].Expression = "count(" + dt1.Columns[0].ColumnName + ")";
Assert.Fail("dccee#5: Expression failed to throw ArgmentException");
}
catch (ArgumentException) {}
catch (AssertionException exc) { throw exc; }
catch (Exception exc)
{
Assert.Fail("dccee#6: Expression. Wrong exception type. Got:" + exc);
}
try
{
DataTable dt1 = DataProvider.CreateParentDataTable();
dt1.Columns[0].Expression = "CONVERT(" + dt1.Columns[1].ColumnName + ",'System.Int32')";
Assert.Fail("dccee#7: Expression failed to throw FormatException");
}
catch (FormatException) {}
catch (AssertionException exc) { throw exc; }
catch (Exception exc)
{
Assert.Fail("dccee#8: Expression. Wrong exception type. Got:" + exc);
}
try
{
DataTable dt1 = DataProvider.CreateParentDataTable();
dt1.Columns[0].Expression = "CONVERT(" + dt1.Columns[0].ColumnName + ",'System.DateTime')";
Assert.Fail("dccee#9: Expression failed to throw ArgmentException");
}
catch (ArgumentException) {}
catch (AssertionException exc) { throw exc; }
catch (Exception exc)
{
Assert.Fail("dccee#10: Expression. Wrong exception type. Got:" + exc);
}
try
{
DataTable dt1 = DataProvider.CreateParentDataTable();
dt1.Columns[1].Expression = "CONVERT(" + dt1.Columns[0].ColumnName + ",'System.DateTime')";
Assert.Fail("dccee#11: Expression failed to throw InvalidCastException");
}
catch (InvalidCastException) {}
catch (AssertionException exc) { throw exc; }
catch (Exception exc)
{
Assert.Fail("dccee#12: Expression. Wrong exception type. Got:" + exc);
}
try
{
DataTable dt1 = DataProvider.CreateParentDataTable();
dt1.Columns[1].Expression = "SUBSTRING(" + dt1.Columns[2].ColumnName + ",60000000000,2)";
Assert.Fail("dccee#13: Expression failed to throw OverflowException");
}
catch (OverflowException) {}
catch (AssertionException exc) { throw exc; }
catch (Exception exc)
{
Assert.Fail("dccee#14: Expression. Wrong exception type. Got:" + exc);
}
}
