CodeContracts | Simple Code Contracts for every day

by ialekseev C# Version: Current License: No License

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kandi X-RAY | CodeContracts Summary

CodeContracts is a C# library typically used in Ethereum applications. CodeContracts has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Simple Code Contracts for every day!. Requires - is used to set preconditions for a method. Assumes - is used to make assumptions in method code itself.

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Quality

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Support

CodeContracts has a low active ecosystem.

It has 6 star(s) with 4 fork(s). There are no watchers for this library.

It had no major release in the last 6 months.

CodeContracts has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of CodeContracts is current.

Quality

CodeContracts has no bugs reported.

Security

CodeContracts has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

CodeContracts does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

CodeContracts releases are not available. You will need to build from source code and install.

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CodeContracts Key Features

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CodeContracts Examples and Code Snippets

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Community Discussions

Trending Discussions on CodeContracts

TaskContinuationOptions combinations

Code Contracts is not supported in Visual Studio 2017, How to implement it with PostSharp?

Remove code contracts in Visual Studio 2017

QUESTION

TaskContinuationOptions combinations

Asked 2020-Jan-03 at 13:40

When I was looked at asynchronous pattern PipeTo for Akka.NET I found example where author uses TaskContinuationOptions and operator &. Is it an erorr or may be it is a propper way to use '&' with Akka.NET and a PipeTo?

For better explain: AttachedToParent & ExecuteSynchronously gave 0 and the inner lambda would be invoked as asyncronosly task.

TaskContinuationOptions.cs

/// When no continuation options are specified, specifies that default behavior should be used when executing a continuation. The continuation runs asynchronously when the antecedent task completes, regardless of the antecedent's final property value. It the continuation is a child task, it is created as a detached nested task.

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ANSWER

Answered 2020-Jan-03 at 13:40

TL;DR:

Yes. The author should have used | instead of &.

LONG ANSWER:

Bitwise AND => The resulting bit is 1 only if both compared bits are 1.
Bitwise OR => The resulting bit is 1 if any of the two compared bits is 1.

So you first want to translate the numbers to binary (I'll add some 0's to make the comparison easier):

000000 : 00000000000000000000 (None)
000001 : 00000000000000000001 (PreferFairness)
000002 : 00000000000000000010 (LongRunning)
000004 : 00000000000000000100 (AttachedToParent)
065536 : 00010000000000000000 (NotOnRanToCompletion)
131072 : 00100000000000000000 (NotOnFaulted)
196608 : 00110000000000000000 (OnlyOnCanceled)
262144 : 01000000000000000000 (NotOnCanceled)
327680 : 01010000000000000000 (OnlyOnFaulted)
393216 : 01100000000000000000 (OnlyOnFaulted)
524288 : 10000000000000000000 (ExecuteSynchronously)

Now you know, for example, that OnlyOnCanceled is the same as NotOnFaulted+ NotOnRanToCompletion.
Or, using bitwise operators: NotOnFaulted | NotOnRanToCompletion.

On the other hand NotOnFaulted & NotOnRanToCompletion is equal to 0, that corresponds to None.
While OnlyOnCanceled & NotOnFaulted == NotOnRanToCompletion.

So the answer is: when you want to combine, use |. When you want to get the difference, use &.

I hope this example made it clearer.

Source https://stackoverflow.com/questions/59579200

QUESTION

Code Contracts is not supported in Visual Studio 2017, How to implement it with PostSharp?

Asked 2018-Jan-30 at 14:33

At the time of writing this question CodeContracts by Microsoft, the Visual Studio extension that implements Design by Contract for .NET is not supported in Visual Studio 2017.

Looking at the insights of this project in GitHub here it seems that this project is dead. In the last years, the support for this extension has been always being delayed for all the visual studio releases. In my opinion, it would be dangerous to insist using Microsoft´s Code Contracts for new projects because of the lack of interest and support.

How would you implement Design by Contract using Postsharp's Aspect Oriented Programming Framework using IL Code Weaving? How would look the implementations of the Class Invariants? The validity of the Class Invariants has to be checked at the beginning and at the end of all public methods that interact with the class in question.

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ANSWER

Answered 2018-Jan-30 at 14:33

PostSharp offers code contracts applicable on method parameters, fields and properties. These are documented at http://doc.postsharp.net/contracts.

Class invariants (as described at https://docs.microsoft.com/en-us/dotnet/framework/debug-trace-profile/code-contracts#invariants) are not provided out of the box.

Source https://stackoverflow.com/questions/48489969

QUESTION

Remove code contracts in Visual Studio 2017

Asked 2017-Mar-09 at 21:35

My C# project developed in VS2015 used Code Contracts. This tool has gone stale since being open sourced by Microsoft and I don't plan to use it in VS2017. That said, when I attempt to run my project's unit tests in VS2017 it complains about the assembly needing to be rewritten using CCRewrite because it contains preconditions. When I create a new VS2017 project (as a test) with preconditions I do not get this error.

What do I need to do to get rid of the error message in my legacy project?

...

ANSWER

Answered 2017-Mar-09 at 21:35

I finally found another post stating that Contract.Requires(...) requires a rewriter whereas Contract.Requires(...) does not. After making this change in my project it is now executing without errors in VS2017.

Source https://stackoverflow.com/questions/42703221

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install CodeContracts

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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