public void CallingOnDeleteSetsOnDeleteOnForeignKeyExpression(Rule rule) { var builder = new CreateTableExpressionBuilder(null, null) { CurrentForeignKey = new ForeignKeyDefinition() }; builder.OnDelete(rule); Assert.That(builder.CurrentForeignKey.OnUpdate, Is.EqualTo(Rule.None)); Assert.That(builder.CurrentForeignKey.OnDelete, Is.EqualTo(rule)); }