System.Data.Tests.DataRowTest2.Indexer4_Column_NotInTable C# (CSharp) Méthode

        public void Indexer4_Column_NotInTable()
        {
            DataTable dtA = new DataTable("TableA");
            DataColumn dcA1 = new DataColumn("Col0", typeof(Address));
            dtA.Columns.Add(dcA1);
            DataColumn dcA2 = new DataColumn("Col1", typeof(Person));
            dtA.Columns.Add(dcA2);

            DataTable dtB = new DataTable("TableB");
            DataColumn dcB1 = new DataColumn("Col0", typeof(Address));
            dtB.Columns.Add(dcB1);
            DataColumn dcB2 = new DataColumn("Col1", typeof(Person));
            dtB.Columns.Add(dcB2);

            Person personA = new Person("Miguel");
            Address addressA = new Address("X", 5);

            dtA.Rows.Add(new object[] { addressA, personA });
            DataRow dr = dtA.Rows[0];

            try
            {
                object value = dr[dcB1, DataRowVersion.Default];
                Assert.False(true);
            }
            catch (ArgumentException ex)
            {
                // Column 'Col0' does not belong to table TableA
                Assert.Equal(typeof(ArgumentException), ex.GetType());
                Assert.Null(ex.InnerException);
                Assert.NotNull(ex.Message);
                Assert.True(ex.Message.IndexOf("'Col0'") != -1);
                Assert.True(ex.Message.IndexOf("TableA") != -1);
            }

            try
            {
                object value = dr[new DataColumn("ZZZ"), DataRowVersion.Default];
                Assert.False(true);
            }
            catch (ArgumentException ex)
            {
                // Column 'Col0' does not belong to table TableA
                Assert.Equal(typeof(ArgumentException), ex.GetType());
                Assert.Null(ex.InnerException);
                Assert.NotNull(ex.Message);
                Assert.True(ex.Message.IndexOf("'ZZZ'") != -1);
                Assert.True(ex.Message.IndexOf("TableA") != -1);
            }

            dtA.Columns.Remove(dcA2);

            try
            {
                object value = dr[dcA2, DataRowVersion.Default];
                Assert.False(true);
            }
            catch (ArgumentException ex)
            {
                // Column 'Col0' does not belong to table TableA
                Assert.Equal(typeof(ArgumentException), ex.GetType());
                Assert.Null(ex.InnerException);
                Assert.NotNull(ex.Message);
                Assert.True(ex.Message.IndexOf("'Col1'") != -1);
                Assert.True(ex.Message.IndexOf("TableA") != -1);
            }
        }