Questions tagged [code-contracts]
Code Contracts provide a language-agnostic way to express coding assumptions in .NET programs. The contracts take the form of preconditions, postconditions, and object invariants. Contracts act as checked documentation of your external and internal APIs.
12
questions
1
vote
2answers
590 views
Interfaces for CRUD Classes
In an in-house solution I've been working on, I've been unable to understand the benefit of how interfaces are frequently implemented throughout the project. Which is as follows:
Want to do CRUD ...
6
votes
5answers
1k views
Should I assert the preconditions of functions in a public API?
I am writing a library for some data structures in C that will be used in embedded systems. I have had issues designing and coming up with a solid error handling plan. This API is only subject to ...
1
vote
1answer
740 views
Contract decoupling on microservices
I am not trying to launch a Microservices vs SOA debate but I find hard to understand the following statement:
"Microservices architecture does not support contract decoupling, whereas contract
...
9
votes
4answers
2k views
Handling changes in a event-driven microservice architecture
I'm doing an research-project where I'm researching the options to handle changes in an event-driven microservice architecture.
So, let's say we got an application where we got four different ...
19
votes
2answers
10k views
When to use [Pure] on a constructor?
I'm learning about code contracts in .NET, and I'm trying to understand the idea of pure constructors. The code contracts documentation states:
All methods that are called within a contract must be ...
13
votes
6answers
3k views
Contract Based Programming vs Unit Test
I am a somewhat defensive programmer and a big fan of Microsofts Code Contracts.
Now I cannot always use C# and in most languages the only tool I have is assertions. So I usually end up with code ...
26
votes
4answers
6k views
Why would I use code contracts
I recently stumbled upon Microsoft's framework for code contracts.
I read a bit of documentation and found myself constantly asking: "Why would I ever want to do this, as it does not and often cannot ...
3
votes
4answers
375 views
Why must the burden of proof rest with the caller and not the method of the class that is being called?
Michael Perry states in his Pluralsight course on Provable Code (transcript subscription only) that:
[T]he burden of proof rests with the caller
In a code contract, why must the burden of proof ...
6
votes
1answer
757 views
What are the practical examples of code exploration techniques?
Code Exploration (CE) is quite a new term and I wonder if there already any successful examples of implementing this techniques in terms of Continuous Integration principles?
In short, Code ...
10
votes
2answers
627 views
code contracts/asserts: what with duplicate checks?
I'm a huge fan of writing asserts, contracts or whatever type of checks available in the language I'm using. One thing that bothers me a bit is that I'm not sure what the common practice is for ...
4
votes
2answers
2k views
Do .NET 4.0 Code Contracts have a role to play in solo-programmer projects?
I often find myself wondering what programming best practices apply to solo programming, since most of the time, I'm the only programmer on a project. I just started experimenting with C# 4.0 Code ...
53
votes
10answers
33k views
Should a method validate its parameters? [duplicate]
Say you are designing a Square root method sqrt. Do you prefer to validate the parameter passed is not a negative number or do you leave it up to the caller to make sure the param passed is valid. How ...
