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Top 10 Manual Test Cases for Login Page (With Examples)

 The login page is the gateway to any application. As a QA tester, validating this feature is critical. In this post, we’ll cover 10 essential manual test cases you must write for login functionality, along with examples.

Test Cases:

Test Case IDTest ScenarioExpected Result
TC01Enter valid username and passwordUser logs in successfully
TC02Leave both fields blank and click loginShow “Fields cannot be empty”
TC03Enter wrong username and correct passwordShow “Invalid credentials”
TC04Enter correct username and wrong passwordShow “Invalid credentials”
TC05Check password maskingPassword should be hidden with dots
TC06Check "Remember Me" functionalityUser stays logged in after refresh
TC07Click on "Forgot Password"Redirects to password recovery page
TC08Enter SQL injection scriptInput should be sanitized
TC09Enter special characters in usernameShow input validation
TC10Test login with expired credentialsShow “Account expired”

Bonus Tips:

  • Always validate both client-side and server-side.

  • Log all failed login attempts (security testing).

  • Use tools like Postman to test login APIs.

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