public void Methods_NullParameterPassed_ThrowsArgumentNullException()
{
SqlBulkCopyColumnMappingCollection collection = CreateCollection();
collection.Add(new SqlBulkCopyColumnMapping());
Assert.Throws <ArgumentNullException>(() => collection.CopyTo(null, 0));
// Passing null to the public Add method should really throw ArgumentNullException
// (which would be consistent with the explicit implementation of IList.Add), but
// the full framework does not check for null in the public Add method. Instead it
// accesses the parameter without first checking for null, resulting in
// NullReferenceExpcetion being thrown.
Assert.Throws <NullReferenceException>(() => collection.Add(null));
// Passing null to the public Insert and Remove methods should really throw
// ArgumentNullException (which would be consistent with the explicit
// implementations of IList.Insert and IList.Remove), but the full framework
// does not check for null in these methods.
collection.Insert(0, null);
collection.Remove(null);
IList list = collection;
Assert.Throws <ArgumentNullException>(() => list[0] = null);
Assert.Throws <ArgumentNullException>(() => list.Add(null));
Assert.Throws <ArgumentNullException>(() => list.CopyTo(null, 0));
Assert.Throws <ArgumentNullException>(() => list.Insert(0, null));
Assert.Throws <ArgumentNullException>(() => list.Remove(null));
}
public void Insert_BehavesAsExpected()
{
var item1 = new SqlBulkCopyColumnMapping(0, 0);
var item2 = new SqlBulkCopyColumnMapping(1, 1);
var item3 = new SqlBulkCopyColumnMapping(2, 2);
SqlBulkCopyColumnMappingCollection collection = CreateCollection();
collection.Insert(0, item3);
collection.Insert(0, item2);
collection.Insert(0, item1);
Assert.Equal(3, collection.Count);
Assert.Same(item1, collection[0]);
Assert.Same(item2, collection[1]);
Assert.Same(item3, collection[2]);
}
public void Members_InvalidRange_ThrowsArgumentOutOfRangeException()
{
SqlBulkCopyColumnMappingCollection collection = CreateCollection();
var item = new SqlBulkCopyColumnMapping(0, 0);
Assert.Throws <ArgumentOutOfRangeException>(() => collection[-1]);
Assert.Throws <ArgumentOutOfRangeException>(() => collection[collection.Count]);
Assert.Throws <ArgumentOutOfRangeException>(() => collection.Insert(-1, item));
Assert.Throws <ArgumentOutOfRangeException>(() => collection.Insert(collection.Count + 1, item));
Assert.Throws <ArgumentOutOfRangeException>(() => collection.RemoveAt(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => collection.RemoveAt(collection.Count));
IList list = collection;
Assert.Throws <ArgumentOutOfRangeException>(() => list[-1]);
Assert.Throws <ArgumentOutOfRangeException>(() => list[collection.Count]);
Assert.Throws <ArgumentOutOfRangeException>(() => list[-1] = item);
Assert.Throws <ArgumentOutOfRangeException>(() => list[collection.Count] = item);
Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(-1, item));
Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(collection.Count + 1, item));
Assert.Throws <ArgumentOutOfRangeException>(() => list.RemoveAt(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => list.RemoveAt(collection.Count));
}
public void InsertAndClear_BehavesAsExpected()
{
var item1 = new SqlBulkCopyColumnMapping(0, 0);
var item2 = new SqlBulkCopyColumnMapping(1, 1);
var item3 = new SqlBulkCopyColumnMapping(2, 2);
SqlBulkCopyColumnMappingCollection collection = CreateCollection();
collection.Insert(0, item1);
collection.Insert(1, item2);
collection.Insert(2, item3);
Assert.Equal(3, collection.Count);
Assert.Same(item1, collection[0]);
Assert.Same(item2, collection[1]);
Assert.Same(item3, collection[2]);
collection.Clear();
Assert.Equal(0, collection.Count);
collection.Add(item1);
collection.Add(item3);
Assert.Equal(2, collection.Count);
Assert.Same(item1, collection[0]);
Assert.Same(item3, collection[1]);
collection.Insert(1, item2);
Assert.Equal(3, collection.Count);
Assert.Same(item1, collection[0]);
Assert.Same(item2, collection[1]);
Assert.Same(item3, collection[2]);
collection.Clear();
Assert.Equal(0, collection.Count);
IList list = collection;
list.Insert(0, item1);
list.Insert(1, item2);
list.Insert(2, item3);
Assert.Equal(3, list.Count);
Assert.Same(item1, list[0]);
Assert.Same(item2, list[1]);
Assert.Same(item3, list[2]);
list.Clear();
Assert.Equal(0, list.Count);
list.Add(item1);
list.Add(item3);
Assert.Equal(2, list.Count);
Assert.Same(item1, list[0]);
Assert.Same(item3, list[1]);
list.Insert(1, item2);
Assert.Equal(3, list.Count);
Assert.Same(item1, list[0]);
Assert.Same(item2, list[1]);
Assert.Same(item3, list[2]);
list.Clear();
Assert.Equal(0, list.Count);
}