In the unit test project, add a reference to the project you want to test by right-clicking on References or Dependencies and then choosing Add Reference or Add Project Reference. For example, you might use the following code by selecting the correct documentation tab that matches your test framework: MSTest, NUnit, or xUnit supported on.
Open Test Explorer. After the tests have completed, a green check mark indicates that a test passed. A red "x" icon indicates that a test failed. You can use Test Explorer to run unit tests from the built-in test framework MSTest or from third-party test frameworks. You can group tests into categories, filter the test list, and create, save, and run playlists of tests. You can also debug tests and analyze test performance and code coverage. To follow these steps, Visual Studio Enterprise is required, along with.
Click a test result indicator to see more information, such as the names of the tests that cover that method. For more information about live unit testing, see Live unit testing. To use a third-party framework:. You can extract source files that are embedded in a symbol file using the Extract Source Code command in the context menu of the Modules window. The extracted source files are added to the solution as miscellaneous files.
The miscellaneous files feature is off by default in Visual Studio. Without enabling this feature, you won't be able to open the extracted source code. Generating source code using decompilation is only possible when the debugger is in break mode and the application is paused.
For example, Visual Studio enters break mode when it hits a breakpoint or an exception. You can easily trigger Visual Studio to break the next time your code runs by using the Break All command. Generating source code from the intermediate format IL that is used in. NET assemblies has some inherent limitations. As such, the generated source code doesn't look like the original source code.
Most of the differences are in places where the information in the original source code isn't needed at runtime. For example, information such as whitespace, comments, and the names of local variables aren't needed at runtime. We recommend that you use the generated source to understand how the program is executing and not as a replacement for the original source code. If you publish a library as a NuGet package, others can install and use it.
Install and use a package in Visual Studio. A library doesn't have to be distributed as a package. It can be bundled with a console app that uses it. To learn how to publish a console app, see the earlier tutorial in this series:. Publish a. NET console application using Visual Studio. NET 5.
This tutorial is only available for. NET 5 and. NET 6. Select one of those options at the top of the page. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Tutorial: Test a. NET class library with. Is this page helpful? Please rate your experience Yes No. Any additional feedback? This tutorial shows how to automate unit testing by adding a test project to a solution.
Prerequisites This tutorial works with the solution that you create in Create a. Create a unit test project Unit tests provide automated software testing during your development and publishing. Start Visual Studio. Add a new unit test project named "StringLibraryTest" to the solution. UnitTesting namespace, which contains the types used for unit testing.
Add a project reference For the test project to work with the StringLibrary class, add a reference in the StringLibraryTest project to the StringLibrary project. Select OK. Now property, which contains the current local time, and assigns it to a variable named currentDate.
And it displays these values in the console window. Finally, it displays a prompt in the console window and calls the Console. ReadKey Boolean method to wait for user input. NewLine is a platform-independent and language-independent way to represent a line break. The expression value is inserted into the string in place of the expression. This syntax is referred to as interpolated strings. In this tutorial, you created a. NET console application.
In the next tutorial, you debug the app. Debug a. NET console application using Visual Studio. NET Core cross-platform development workload installed. NET 5. The template creates a simple "Hello World" application. It calls the Console. The template code defines a class, Program , with a single method, Main , that takes a String array as an argument:. This tutorial is only available for. NET 5 and.
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