public void DataRepository_InvalidDeletion_DoesNotDecreaseCollectionSize()
{
//Arrange: Initialise a data repository
MockSqlRepository collection = new MockSqlRepository();
int Collection_Size = collection.Count;
//Act: a deletion is targeted for non existing entry
collection.Delete(new MockDataUnit { key = 0, attrTwo = "Entry 1" });
//Assert: The size of the collection has not changed
Assert.AreEqual(Collection_Size, collection.Count);
}
public void DataRepository_ValidDeletion_DecreasesCollectionSize()
{
//Arrange: Initialise a data repository
MockSqlRepository collection = new MockSqlRepository();
int Collection_Size = collection.Count;
//Act: a deletion is targeted for existing entry
collection.Delete(new MockDataUnit { key=0, attrTwo="Entry 0"});
//Assert: The size of the collection has decreased by one.
Assert.AreEqual(Collection_Size-1, collection.Count);
}