/// <summary>
/// Checks to ensure that the dataset is not null, has the specified number of tables
/// and whether or not each table MUST have rows in it.
/// </summary>
/// <param name="requiredNumberOfTables">
/// The number of tables that dataset must contain
/// </param>
/// <param name="tableMustHaveRowsFlags">
/// A list of boolean flags denoting whether each table in the set MUST have some rows in it.
/// e.g.
///
/// DataSet ds = GetSomeDataSet();
/// ds.IsPopulated(3, true, false, true);
///
/// means that the dataset MUST have 3 tables. The first and third tables MUST have rows in them,
/// the second table may or may not have rows in it.
/// </param>
/// <returns>
/// True if the the tables required to be populated actually are, otherwise false.
/// </returns>
public static bool IsPopulated(this DataSet ds, int requiredNumberOfTables, params bool[] tableMustHaveRowsFlags)
{
_logger.DebugMethodCalled(ds, requiredNumberOfTables, tableMustHaveRowsFlags);
#region Input validation
Insist.IsAtLeast(requiredNumberOfTables, 1, "requiredNumberOfTables");
Insist.IsNotNull(tableMustHaveRowsFlags, "tableMustHaveRowsFlags");
Insist.Equality(tableMustHaveRowsFlags.Length, requiredNumberOfTables, "tableMustHaveRowsFlags", "The number of tableMustHaveRowsFlags must match the number of tables");
#endregion
if (ds == null ||
ds.Tables == null ||
ds.Tables.Count != requiredNumberOfTables)
{
return(false);
}
else
{
for (int i = 0; i < requiredNumberOfTables; i++)
{
if (tableMustHaveRowsFlags[i] == true &&
(
ds.Tables[i].Rows == null ||
ds.Tables[i].Rows.Count == 0
))
{
return(false);
}
}
return(true);
}
}
public void Equality_Thrown_Exception_Has_Correct_Argument_Name()
{
try {
Insist.Equality("ABC123", "DEF456", ARGUMENT_NAME);
} catch (ArgumentException e) {
Assert.AreEqual(ARGUMENT_NAME, e.ParamName);
}
}
public void Equality_Thrown_Exception_Has_Correct_Message()
{
try
{
Insist.Equality("ABC123", "DEF456", ARGUMENT_NAME, MESSAGE);
}
catch (ArgumentException e)
{
Assert.IsTrue(e.Message.Contains(MESSAGE));
}
}
public void Equality_Matching_Values_Does_Not_Throw_Exception(Object expected)
{
Insist.Equality(expected, expected, ARGUMENT_NAME);
}
public void Equality_Non_Matching_Values_Throws_Exception()
{
Insist.Equality("ABC123", "DEF456", ARGUMENT_NAME);
}