Manual Testing :Test Case

Test case :
A test case in software engineering is a set of conditions or variables under which a tester will determine whether an application or software system is working correctly or not. The mechanism for determining whether a software program or system has passed or failed such a test is known as a test oracle. Test cases are often referred to as test scripts, particularly when written. Written test cases are usually collected into test suites.
Test case format
           A test case is usually a single step, or occasionally a sequence of steps, to test the correct behaviour/functionalities, features of an application. An expected result or expected outcome is usually given.
Additional information that may be included:
test case ID
test case description
test step or order of execution number
related requirement(s)
depth
test category
author
Additional fields that may be included and completed when the tests are executed:
pass/fail
remarks
Larger test cases may also contain prerequisite states or steps, and descriptions.
A written test case should also contain a place for the actual result.These steps can be stored in a word processor document, spreadsheet, database or other common repository.
In a database system, you may also be able to see past test results and who generated the results and the system configuration used to generate those results. These past results would usually be stored in a separate table.
Test suites often also contain
Test summary
Configuration
Besides a description of the functionality to be tested, and the preparation required to ensure that the test can be conducted, the most time consuming part in the test case is creating the tests and modifying them when the system changes.