What are three test cases you should go through in unit testing?

C# Interview Questions and Answers

(Continued from previous question...)

191. What are three test cases you should go through in unit testing?

1. Positive test cases (correct data, correct output).
2. Negative test cases (broken or missing data, proper handling).
3. Exception test cases (exceptions are thrown and caught properly).

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Other Interview Questions

• What's C#
• Is it possible to inline assembly or IL in C# code?
• Is it possible to have different access modifiers on the get/set methods of a property?
• Is it possible to have a static indexer in C#? allowed in C#.
• If I return out of a try/finally in C#, does the code in the finally-clause run?
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• How do you specify a custom attribute for the entire assembly (rather than for a class)?
• How do you mark a method obsolete?
• How do you implement thread synchronization (Object.Wait, Notify,and CriticalSection) in C#?
• How do you directly call a native function exported from a DLL?
• How do I simulate optional parameters to COM calls?
• The C# keyword .int. maps to which .NET type?
• Which of these string definitions will prevent escaping on backslashes in C#?
• Which of these statements correctly declares a two-dimensional array in C#?
• If a method is marked as protected internal who can access it?
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• What compiler switch creates an xml file from the xml comments in the files in an assembly?
• What is a satellite Assembly?
• What is a delegate?
• How does assembly versioning in .NET prevent DLL Hell?
• Which .Gang of Four. design pattern is shown below?
• In the NUnit test framework, which attribute must adorn a test class in order for it to be picked up by the NUnit GUI?
• Which of the following operations can you NOT perform on an ADO.NET DataSet?
• In Object Oriented Programming, how would you describe encapsulation?
• What do you know about .NET assemblies?
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• How can you debug failed assembly binds?
• Where are shared assemblies stored?
• How can you create a strong name for a .NET assembly?
• Where’s global assembly cache located on the system?
• Can you have two files with the same file name in GAC?
• So let’s say I have an application that uses MyApp.dll assembly ...
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• If a base class has a bunch of overloaded constructors ...
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• How do I make a DLL in C#?
• How do I simulate optional parameters to COM calls?
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• Is there regular expression (regex) support available to C# developers?
• Is there a way to force garbage collection?
• Does C# support properties of array types?
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• Why would you use untrusted verificaion?
• What is the implicit name of the parameter that gets passed into the class set method?
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• How do I do implement a trace and assert?
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• What does the keyword virtual mean in the method definition?
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• Why do I get a security exception when I try to run my C# app?
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• How do you inherit from a class in C#?
• How do I port "synchronized" functions from Visual J++ to C#?
• Can I define a type that is an alias of another type (like typedef in C++)?
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• Is it possible to have a static indexer in C#?
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• Does C# support parameterized properties?
• Does C# support C type macros?
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• Is it possible to inline assembly or IL in C# code?
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• Does C# support multiple inheritance?
• Can multiple catch blocks be executed?
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• What is a multicast delegate?
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