public void IsNullOrEmptyIEnumerable()
{
IEnumerable<int> sourceA = new int[0].ToIEnumerable();
IEnumerable<int> sourceB = null;
IEnumerable<int> sourceC = new[] {1,2,3}.ToIEnumerable();
Assert.IsTrue(sourceA.IsNullOrEmpty());
Assert.IsTrue(sourceB.IsNullOrEmpty());
Assert.IsFalse(sourceC.IsNullOrEmpty());
}
public void IsNullOrEmptyIList()
{
IList<int> sourceA = new int[0].ToIList();
IList<int> sourceB = null;
IList<int> sourceC = new[] {1,2,3}.ToIList();
Assert.IsTrue(sourceA.IsNullOrEmpty());
Assert.IsTrue(sourceB.IsNullOrEmpty());
Assert.IsFalse(sourceC.IsNullOrEmpty());
}
public void IsNullOrEmptyICollection()
{
ICollection<int> sourceA = new int[0].ToICollection();
ICollection<int> sourceB = null;
ICollection<int> sourceC = new[] {1,2,3}.ToICollection();
Assert.IsTrue(sourceA.IsNullOrEmpty());
Assert.IsTrue(sourceB.IsNullOrEmpty());
Assert.IsFalse(sourceC.IsNullOrEmpty());
}
public void IsNullOrEmptyArray()
{
int[] sourceA = new int[0].ToArray();
int[] sourceB = null;
int[] sourceC = new[] {1,2,3}.ToArray();
Assert.IsTrue(sourceA.IsNullOrEmpty());
Assert.IsTrue(sourceB.IsNullOrEmpty());
Assert.IsFalse(sourceC.IsNullOrEmpty());
}