public void UsingAddRangeAddsValues()
{
var collection1 = new StubCollection(new List <int> {
1, 2, 3
});
var collection2 = new StubCollection();
collection2.AddRange(collection1);
collection2.Count.Should().Be(3);
}
public void AddRangeThrowsWhenCollectionIsNull()
{
Action act = () =>
{
var collection = new StubCollection();
collection.AddRange(null);
};
act.ShouldThrow <ArgumentNullException>().Where(x => x.Message.Contains("Parameter collection is null"));
}