CDP4Common.Tests.Types.OrderedItemListTestFixture.VerifyThatSameItemCannotBeAddedTwice C# (CSharp) Method

        public void VerifyThatSameItemCannotBeAddedTwice()
        {
            var list = new OrderedItemList<Thing>(this.person, true);
            var email_0 = new EmailAddress(Guid.NewGuid(), null, null);
            
            list.Add(email_0);
            
            Assert.Throws<InvalidOperationException>(() => list.Add(email_0));
        }