CppUnit is a unit testing framework module for the C++ programming language. It allows “CppUnit Documentation”. ^ Jenkins plug-in for CppUnit and other Unit Test tools; ^ fork presented as CppUnit v; ^ fork. This document gives a simple example of CppUnit. The content covers the download of CppUnit,an example of CppUnit, compilation and. Easy refactoring of code. The unit test is a form of documentation in cppunit. C++ framework. Derived from jUnit. Centered around unit testing as a concept -.
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Some of the most common are: If one of them fails, it’ll tell you the name of the test case, the name of the source file and the line number.
CppUnit – The Unit Testing Library
Unit tests are code, separate and independent from the code it tests, that can be run automatically. The basic collection of tests is the TestCase class. TestFixture Make the commonly used variables private.
Our tests are called from inside the runTest method. We will be using the latest stable version, release 1. When the tests are run, it’ll give you a message. TestResult controller; TestResultCollector result; controller. We’ll see the importance of this name registration later. All of this goes in int main.
The only change we need to make in the Makefile is the linking of the files. TestFixture is a subclass of TestCase test cases. Our TestCase will have several instances of CartesianComplex that will be needed by all tests in the test case. More can be found at the Wikipedia entry or about. C will automatically call all linked and registered TestCase classes. We’ll call it TestCartesianComplexMath. The value a is the real part and b is the complex part. First we create a suite to run the tests.
TestCase TestCase has a virtual method void runTest we must override. If they all pass, you get an OK message.
CppUnit has a special class, called a fixture, for just this purpose. This is but a small sample of what is available.
Declare them public along with the test functions. The private variables should be created and destroyed in the respective TestFixture function. These flags will be used to tell the compiler where to find the CppUnit headers and declarations. We also have a TestResult class which is the controller or event manager and a TestResultCollector class that listens for tests being run. Our class will handle the basic math operations addition, subtraction, multiplication and division.
CppUnit – Wikipedia
We begin with the the test suite. Each test a function handles a small part of the test, and combined the functions test the whole thing.
Adding these functions to the test case can be a little errorprone, but fortunately CppUnit has helper macros. The function runTest is handled by the macros. It runs all the test suites and collects the results. We need some new flags at the top of the file. We’ll go over how to create each in CppUnit. Since we used the helper macro for test suite registration, test. We define the rest in the.
Our test class will extend CppUnit’s TestCase class. Notice that the registration name matched the class name. There are several parts of unit testing.
The test function names begin with “test”. There are different types of asserts we can use in our test functions. It is a collection of tests run together as a unit.