Explain the test coverage and the differences/purpose of each testcases written

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Accepted Answer

Test coverage is the extent to which the software has been tested. Different types of test cases are written to ensure maximum coverage.

Test coverage is the measure of how much of the software has been tested.
Different types of test cases are written to ensure maximum coverage.
Unit tests are written to test individual units of code.
Integration tests are written to test how different units of code work together.
Functional tests are written to test the functionality of the software.
Regression tests are written to ensure that changes to the software do not break existing functionality.
Performance tests are written to test the performance of the software under different conditions.
Security tests are written to test the security of the software.
Exploratory tests are written to test the software in an ad-hoc manner.
The purpose of each test case is to ensure that the software is working as expected and to catch any bugs or issues.
The different types of test cases are designed to catch different types of issues.

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