What is a Unit Test Case
A Unit Test Case is a part of code which guarantees that the a different part of code (system) fills in as looked for. To realize these wanted effects fast, test schema is needed .JUnit is impeccable unit test structure for java modifying dialect.
A formal composed unit test case is portrayed by a known include and by an anticipated yield, which is worked out when the test is executed. The known include might as well test a precondition and the looked for yield may as well test a postcondition.
There should be at slightest a few unit test cases for every necessity: one positive test and one negative test.
In the event that a prerequisite has sub-prerequisites, every sub-prerequisite should have at minimum a few test cases as positive and negative.
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