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NEGATIVE TESTING

SOFTWARE TESTING

The software testing can also be classified as two types of testing one is positive testing and negative testing. Positive testing is the application functions as expected valid data sets. If  an error occurs during positive testing the test fails. In the Negative Testing, the application handles the unexpected  behaviour or invalid input. For example if a user tries to type a wrong data in the field it would display a correct message for incorrect data. The quality of the application improves due to the negative testing.

Negative testing is detecting the possible software crashes in different situations,  such as

  1. Populating required fields
  2. Correspondence between data and field types
  3. Allowed number of characters
  4. Allowed data bounds and limits
  5. Reasonable data

For example  the functioning of a lift in real life. When the people enter and press the floor button automatically the lift is made to move to the required floor. If the number of people exceed in the lift, if a power failure happens during the lift functions – all these cases are included in negative testing. Negative testing is important in the organisation’s perspective because it is the responsibility of every organisation to build  a good quality product to the customer. To achieve this we conduct the negative testing

Negative testing characteristics are:

  • It is carried to point out the faults which can lead to major failures
  • It is performed to find the software weakness and its potential  for exploitation
  • It is conducted to identify how the security breaches can occur.

Negative testing techniques are

  1. Skipping the data and proceeding
  2. Verifying each field type
  3. Verifying numeric data size and boundary tests.

The equivalence partition between negative testing and positive testing is

 

NEGATIVE TESTING
NEGATIVE TESTING

The different types of negative testing situations are:

  1. Filling the values in required fields: The applications behaviour is checked when the test leaves the required fields empty and analyse the response of the application.
  2. Data and field types correspondences: The forms that contain controls can be tested by entering the invalid values to know the proper function of the application.
  3. The number of characters which are allowed: Some fields allow limited characters to be entered. For example: the user name or password field has a specific number of characters
  4. Allowing data bounds and limits: Applications can accept the input value in a certain range of data. For example of negative test: Enter the data in an application that exceeds the data type limit.
  5. Reasonable data values: some applications have reasonable data limit. For example: Enter data limit in the age field in any application.
  6. Web – based testing: some websites have condition to log in or use captcha before opening the first webpage to check whether the application behaves properly.

In positive testing it always proves that the product always meets the requirement specifications.In negative testing the main intention is to test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show. Negative testing is a procedure to identify the inputs where system is not designed. The reason behind the negative testing is to check the stability of any software under the influences of various types of incorrect  data set.

Check your understanding:

  1. What is Negative Testing?
  2. Mention the difference between Positive and negative testing?
  3. What are the advantages of Negative testing?
  4. Explain the characteristics of Negative testing?
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29 thoughts on “NEGATIVE TESTING”

  1. 1.What is Negative Testing?
    negative testing is to make sure that application handles invalid data or input or unexpected user behavior.The purpose of negative testing detect such errors and prevent application from crashing.
    2. Mention the difference between Positive and negative testing?
    postive testing make sure that application works as expected and gives the desirable results.If error occurs in positive testing application fails. Negative testing make sure that application handles invalid data or unexpected user behavior.Negative testing improves the quality of application.
    3.What are the advantages of Negative testing?
    negative testing ensures the stability of the application.
    it help software to survive under the failed conditions.
    the quality of application improves because of negative testing.
    4. Explain the characteristics of Negative testing?
    Negative Testing is performed to expose the software weakness and potential for exploitation.
    It is carried out tot he point which can lead to major failure
    it is conducted to detect the security breaches.

  2. 1. Negative Testing is the application that handles the unexpected behaviour or invalid input.
    Negative testing is a procedure to identify the inputs where system is not designed.
    In Negative testing we can detect the possible software crashes in different situations, like
    Populating required fields,Correspondence between data and field types,Allowed number of characters,Allowed data bounds and limits,Reasonable data.
    2. In Positive testing- the application functions same as expected valid data sets. If any error occurs during positive testing the test will fail.Where In Negative testing-the application that handles the unexpected behaviour or invalid input.
    In Positive testing it always proves that the product always meets the requirement specifications.Bt in Negative testing the main intention is to test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show.
    3.The main advantage of negative testing is “the quality of the application improves”.That means Negative testing is helping every organisation to build a good quality product to the customer. Another advantage in the negative testing is to check the stability of any software under the influences of various types of incorrect data set.
    4.Negative testing characteristics are:
    It is carried to point out the faults which can lead to major failures
    It is performed to find the software weakness and its potential for exploitation
    It is conducted to identify how the security breaches can occur.

  3. Negative Testing : In this testing tester requires to enter invalid input in require field and if software provide valid output, these kind of testing improve the software quality. This testing called negative testing.

    Difference between Positive and negative testing
    Positive testing : If software perform as expected for instance: enter valid data then result will be right and if a bug comes then test fails. On the other side, in negative testing tester must enter invalid data to test the software performance.

    Advantages of Negative testing : It help to ensure that software reliability, performance, correctness with invalid data.

    Characteristics of Negative testing :
    Negative Testing pin point the faults which can lead to major failures.
    Negative Testing help to find the software weakness and its effect for damage.
    Negative Testing identify how the security breaches can occur.

  4. 1. What is Negative Testing
    It is the testing to ensure that the application can handle the invalid input. In the Negative testing the application handles the unexpected behavior of invalid Input.
    2.Mention the difference between Positive and Negative Testing?
    • Positive testing determines that the software works as expected .The testing is done with expected valid data set. If an error occurs during positive testing the test fails.
    • In the Negative Testing, the application handles the unexpected behavior or invalid input. The testing ensures that the software can handle the improper behavior of the system.
    . The difference between the positive and negative testing is that the exceptions are avoided in the positive testing whereas exceptions are tested in the negative testing.
    3. What are the advantages of Negative testing?
    • Negative testing improves the quality of the application
    • It verifies that the software equally handles the abnormal situations for the invalid input and maintain the stability of the software.
    4.Explain the characteristics of Negative testing?
    • It is carried to point out the faults which can lead to major failures
    • It is performed to find the software weakness and its potential for exploitation
    • It is conducted to identify how the security breaches can occur.

  5. Negative testing is to test the behavior software with invalid data input. It is used to check stability of software under incorrect situation so that system does not crash.
    Positive testing is testing software with valid data input so that it meets requirements whereas negative testing is testing software with invalid data input to check stability of software under incorrect situation.
    Characteristics:
    – to overcome software weaknesses and potential exploitation.
    – to overcome security breaches
    Advantages:
    It is used to find faults of software to avoid huge failures and also helps the system from crashing.

  6. Q. What is Negative Testing?
    – Negative testing is a type of testing that ensures that an application can handle invalid input or unexpected user behavior.
    Q. Mention the difference between Positive and negative testing?
    – Positive testing is carried out against the valid inputs, negative testing is carried out against the invalid inputs.
    – Positive testing makes sure the software meets all the requirement specifications. Negative testing makes sure the software can handle all the unexpected inputs and user behavior as in whether the software shows error when it is supposed to. Negative testing tests the stability of the software.
    Q. What are the advantages of Negative testing?
    – Negative testing assures the security, quality, stability, and strength of the software
    – It reduces the risk factors.
    Q. Explain the characteristics of Negative testing?
    – Negative testing points out the faults which can lead to major failures
    – It finds out the software weakness, stability, and its potential for exploitation.
    – It reduces the chances of security breaches.

  7. -What is Negative Testing?
    In the Negative testing, the application can handle the unexpected behavior or invalid input.
    -Mention the difference between Positive and negative testing?
    Positive testing proves that the product meets the requirement specifications.In negative testing, test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show. Negative testing is a procedure to identify the inputs where system is not designed. Negative testing is to check the stability of any software under the influences of various types of incorrect data.
    -What are the advantages of Negative testing?
    >maintain the stability of software.
    >improves the quality of software.
    -Explain the characteristics of Negative testing?
    >It helps to find out the faults which can lead to major failures.
    >It is performed to find the software weakness and its potential for exploitation.
    >It is conducted to identify how the security breaches can occur.

  8. 1. What is Negative Testing?
    * Negative testing is done to detect the possible software crashes in different situations. It is to check the stability of any software under the influences of various types of incorrect data set.

    2.Mention the difference between Positive and negative testing?
    * In Positive testing the application functions as expected valid data sets. If an error occurs during positive testing the test fails. In the Negative Testing, the application handles the unexpected behaviour or invalid input. The quality of the application improves due to the negative testing.

    3. What are the advantages of Negative testing?
    – Negative Testing will improve the quality of Applicaton.
    – It can make out the faults in the application which can lead to major failures •We can find out the weak areas in the application.
    -To identify how the security breaches can occur.

    4. Explain the characteristics of Negative testing?
    Negative Testing is basically to check whether the behaviour of the application in different scenarios..
    1. empty required fields
    2. Invalid values
    3.Number of Characters
    4. Range and Limit of data..etc

  9. 1.What is negative testing?
    Negative testing is a procedure to identify the inputs where system is not designed.
    2.Mention the difference between Positive and negative testing?
    Positive testing
    In positive testing it always proves that the product always meets the requirement specifications.
    Negative Testing
    In negative testing the main intention is to test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show
    3.What are the advantages of Negative testing?
    Negative testing is important in the organisation’s perspective because it is the responsibility of every organisation to build a good quality product to the customer.The quality of the software improves due to negative testing.Negative testing is to check the stability of any software under the influences of various types of incorrect data set.
    4.Explain the characteristics of Negative testing?
    It is carried to point out the faults which can lead to major failures
    It is performed to find the software weakness and its potential for exploitation
    It is conducted to identify how the security breaches can occur

  10. 1.Testing the software beyond its boundary limits is called negative testing
    2.In positive testing we put all valid inputs and expect the positive results, In
    negative testing we use all invalid inputs and check if software is gives responding
    with right error message.
    3.Negative testing always ensures the software stability under the influences of
    various types of incorrect data input.
    4.The characteristics of negative testing is to point out faults which lead to major
    failures, exploit the limits to find software potential and weakness and to check the
    security of software.

  11. 1.What is Negative Testing ?
    Negative testing is to identify the inputs where system is not designed.
    In Negative testing we can detect the possible software crashes in different situations with invalid data.

    2.Mention the difference between Positive and negative testing?

    Positive testing is to test with valid values. The negative testing is to test with invalid values to detect possible software crashes.

    3.What are the advantages of Negative testing?

    Negative testing helps to build good quality product to the customer by testing for unknown major failures.

    4.Explain the characteristics of Negative testing?

    It is carried to point out the faults which can lead to major failures.
    It is performed to find the software weakness and its potential for exploitation.
    It is conducted to identify how the security breaches can occur.

  12. Q) What is Negative Testing?
    A)In the Negative Testing, the application handles the unexpected behavior or invalid input. For example if a user tries to type a wrong data in the field it would display a correct message for incorrect data.

    Q)Mention the difference between Positive and negative testing?
    A)Positive testing- The application handles only the expected valid input and in case any error occurs due to unexpected invalid input then the test fails.
    Negative Testing- The application handles the unexpected invalid input. If you enter a invalid data then error message will show the valid data.

    Q) What are the advantages of Negative testing?
    A) Negative testing makes the application more reliable and stable.

    Q) Explain the characteristics of Negative testing?
    A) It is carried to point out the faults which can lead to major failures
    It is performed to find the software weakness and its potential for exploitation
    It is conducted to identify how the security breaches can occur.

  13. 1. Negative testing is a method of testing to check if the system is properly handling invalid inputs with the correct error message.
    2. The main difference between a Positive and a Negative testing relies in the intention of validation. The positive is performed mostly to confirm the expectation as Pass, otherwise Fail. Whereas in the Negative testing, the goal is to identify all unexpected behaviors.
    3. This test is performed to detect all possible deficiencies in the system to help validate the software quality and strength.
    4. To avoid unexpected major failures in the system, Negative testing is required and done to identify defaults in various situations for quality and security protection.

  14. 1. What is Negative Testing? Negative testing is when the application handles the unexpected behavior or invalid input. It is detecting the possible software crashes in different situations.

    2. Mention the difference between Positive and negative testing?
    Positive testing always proves that the product always meets the requirement specifications. While negative is to check the stability of any software under the influences of various types of incorrect data set.
    3. What are the advantages of Negative testing?
    In negative testing the main intention is to test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show. Negative testing improves the quality of an application.
    4. Explain the characteristics of Negative testing?
    Negative testing characteristics are:
    • It is carried to point out the faults which can lead to major failures
    • It is performed to find the software weakness and its potential for exploitation
    • It is conducted to identify how the security breaches can occur.

  15. 1.What is Negative Testing?
    -Negative testing is the application with invalid data to see how the application will behave.It is the type of testing application that handles the unexpected behavior or invalid input.
    2. Difference between Positive and Negative testing?
    -Positive testing is an application that handles the expected valid data sets,whereas Negative testing is the type of testing application that handles the unexpected behavior or invalid input.Positive testing proves that the product meets the requirement specifications.In negative testing, test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show. Positive testing is done to identify known set of test condition, on the other hand Negative testing is done to identify the unknown set or unexpected behavior.

    3.What are the advantages of negative testing?
    -Negative testing assures the security, quality, stability, and strength of the software. It reduces the risk factors.

    4. Explain the characteristics of Negative testings?
    -It helps in finding the software weakness and its potential for exploitation.
    -It points out the faults which can lead to major failures.
    -it is performed to identify how possible security breaches can occur.

  16. 1. What is Negative Testing?
    It is the type of testing that can be performed on the system providing invalid data inputs. It checks whether the application behaves as expected with negative inputs. And it is to check that the application does not do anything that it is not supposed to do.
    Ex: If the input field accepts only numeric data, then try with invalid inputs such as enter alphabets as input data and it should not accept the input and do not show the result. Instead throw an error message saying invalid input data.

    2. Mention the difference between Positive and negative testing?
    Positive testing: It is the type of testing that can be performed on the system providing valid data inputs. It checks whether the application behaves as expected with positive inputs.
    Ex: if the input filed accepts only numeric data, range between 0 to 99 then try entering any number with in 0 to 99. And it should accept the input and give the results as expected.

    Negative Testing: It is the type of testing that can be performed on the system providing invalid data inputs. It checks whether the application behaves as expected with negative inputs. And it is to check that the application does not do anything that it is not supposed to do.
    Ex: If the input field accepts only numeric data, then try with invalid inputs such as enter alphabets as input data and it should not accept the input and do not show the result. Instead throw an error message saying invalid input data.

    3. What are the advantages of Negative testing?
    The quality of the application or the product improves as we test using the negative data inputs.
    The exploitation of the application is reduced.
    Security breaches will be avoided.
    Major failures and Crashing of the application will be avoided.

    4. Explain the characteristics of Negative testing?
    • It is carried to point out the faults which can lead to major failures
    • It is performed to find the software weakness and its potential for exploitation
    • It is conducted to identify how the security breaches can occur.
    • to check the stability of any software under the influences of various types of incorrect/Negative data set.

  17. 1.What is Negative Testing?
    Negative Testing is identifying and handling unexpected behavior and invalid input. Negative Testing is used to detect possible s/w crashes to develop good quality s/w product and its reliability.

    2. Mention the difference between Positive and negative testing?
    Positive Testing is done when the data input is valid and if error occurs positive testing fails.
    Negative Testing is done when data input is invalid and it handles the errors by showing messages.

    3. What are the advantages of Negative testing?
    It detects unexpected behavior and prevents it from s/w crash or undesirable output.
    Helps to maintain accuracy of expected input data. Improves quality and reliability of s/w.

    4. Explain the characteristics of Negative testing?
    It is performed to find out faults which can lead to major failures
    It is performed to find the software weakness and its potential for exploitation
    It is performed to identify possible harm to the security of s/w.

  18. 1. what is Negative testing ?
    Negative testing is a method of testing where an appliction can handle the unwanted input & unexpected user behavior.It check s whether an application behaves as expected with the negative inputs. This is to test the application does not do anything that it is not supposed to do so.
    2. Mention the differenses between positive & negative testing ?
    Positive testing is carried out against valid inputs. Negative testing is just the opposite. The application validated against the invalid inputs.
    3.What are the advantages of Negative testing ?
    Quality of the application becomes better when negative scenarios are handled properly. There are less chances of crashes & the application will become stable.User will know the limitations.
    4. Explain the characterstics of Negative testing?
    Negative testing is performed to expose the software weakness and potential for exploitation . It is carried out to showdata corruption or security breaches.

  19. What is negative testing?
    Negative testing is a type of testing where intentionally invalid data is used as an input to check whether the application gives the expected results or error messages.
    Mention the difference between the negative testing and Positive testing.
    Positive testing is a type of testing where testing is done by providing valid data as input and checks whether the application gives the expected results or behaves as expected. It will never give any error.
    The main difference between these two kinds of testing is positive testing uses valid data set and negative testing uses invalid data set. If an error occurs during positive testing the test fails. The data has a limit and is less time consuming. Negative testing can have many options and can be time consuming.
    Positive testing proves that it meets the requirement specifications.
    Negative testing helps to find out the gaps of the application and also find out what kind of data is not giving the expected result, message or not behaving in the expected way.
    In both cases Test designer has to pay attention to the RTM by doing Boundary Value Analysis and by Equivalence Partitioning.
    Boundary Value Analysis, is a testing technique ( with numerical values), where data is out of the boundary or range or limit of the required field. This kind of data is invalid for that field and the testing is called Negative testing. When the data falls under the range or limit, that is called valid data and the testing is called positive testing.
    Equivalence Partitioning, is a software testing technique which divides the input data into many partitions. Values from each partition must be tested at least once. Partitions with valid values are used for Positive Testing. While, partitions with invalid values are used for negative testing.

  20. There are two types of testing one is negative tetsing and the other is positive tetsing .
    Positive testing is the application functions as expected valid data sets.While Negative testing the application handles t
    he unexpected behaviour or invalid input.
    Negative testing characteristics are:
    It is carried to point out the faults which can lead to major failures
    It is performed to find the software weakness and its potential for exploitation
    It is conducted to identify how the security breaches can occur.
    The advantages of negative testing the main intention is to test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show. Negative testing is a procedure to identify the inputs where system is not designed. The reason behind the negative testing is to check the stability of any software under the influences of various types of incorrect data set.

  21. NEGATIVE TESTING: is a testing where the application handles the unexpected behavior or invalid input. For example if a user tries to type a wrong data in the field it would display a correct message for incorrect data.
    DIFFERENCE BETWEEN POSITIVE AND NEGATIVE TESTING:
    In POSITIVE testing it always proves that the product always meets the requirement specifications .In NEGATIVE testing the main intention is to test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show.
    ADVANTAGES OF NEGATIVE TESTING:
    Negative testing improves the quality of the application and verify if the software equally handles the abnormal situation
    for the invalid input and maintain the stability of the software.
    CHARECTERISTICS OF NEGATIVE TESTING ARE:
    It is carried to point out the faults which can lead to major failures
    It is performed to find the software weakness and its potential for exploitation
    It is conducted to identify how the security breaches can occur.

  22. 1.If the system of the software handle the invalid input is called Negative Testing.
    2.Positive Testing is application functions as expected valid data sets, whereas in Negative Testing system handle the invalid input.If the error occurs during positive testing the test fails whereas negative testing if wrong data in the field it will display message for incorrect data.
    3.The advantage of Negative Testing is it fix the error of the software to avoid failure and system from crashing.
    4.The characteristic of Negative Testing are as follows:
    (a).It is done to find faults which result in failure.
    (b).The software weakness and its potential for exploitation are find out.
    (c).It is done to identify how the security breaches can occur.

    1. 1. What is Negative Testing
      It is the testing to ensure that the application can handle the invalid input. In the Negative testing the application handles the unexpected behavior of invalid Input.
      2.Mention the difference between Positive and Negative Testing?
      • Positive testing determines that the software works as expected .The testing is done with expected valid data set. If an error occurs during positive testing the test fails.
      • In the Negative Testing, the application handles the unexpected behavior or invalid input. The testing ensures that the software can handle the improper behavior of the system.
      . The difference between the positive and negative testing is that the exceptions are avoided in the positive testing whereas exceptions are tested in the negative testing.
      3. What are the advantages of Negative testing?
      • Negative testing improves the quality of the application
      • It verifies that the software equally handles the abnormal situations for the invalid input and maintain the stability of the software.
      4.Explain the characteristics of Negative testing?
      • It is carried to point out the faults which can lead to major failures
      • It is performed to find the software weakness and its potential for exploitation
      • It is conducted to identify how the security breaches can occur.

  23. What is Negative Testing?
    Negative testing is the application handles the unexpected behaviour or invalid input.Negative testing is important in the organisation’s perspective because it is the responsibility of every organisation to build a good quality product to the customer. To achieve this we conduct the negative testing.

    Mention the difference between Positive and negative testing?
    In positive testing it always proves that the product always meets the requirement specifications.In negative testing the main intention is to test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show.

    What are the advantages of Negative testing?
    The quality of the application improves due to the negative testing.

    Negative testing is detecting the possible software crashes in different situations, such asPopulating required fields,Correspondence between data and field types,Allowed number of characters,Allowed data bounds and limits,
    Reasonable data.

  24. 1. What is Negative Testing?
    Negative testing is done to ensure that a software application can gracefully handle invalid input or unexpected user behavior. For example if a user tries to type a wrong data in the field it would display a correct message for incorrect data. The quality of the application improves due to the negative testing. Negative testing is important from the software organization’s perspective because it is their responsibility to build and deliver a good quality product to the customer. To achieve this negative testing is conducted.
    Negative testing characteristics:
    • It is carried to point out the faults which can lead to major failures
    • It is performed to find the software weakness and its potential for exploitation
    • It is conducted to identify how the security breaches can occur.

    Q2. Difference between positive testing and negative testing:
    In positive testing the intention is to make sure that the product always meets the requirement specifications while in negative testing the main intention is to test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show. Negative testing is a procedure to identify the inputs where system is not designed. The reason behind the negative testing is to check the stability of any software under the influences of various types of incorrect data set.

    Q3.
    Advantages of Negative Testing:

    Negative testing is done to check that product deals properly with the circumstance for which it is not programmed. The fundamental aim of this testing is check that how bad data is taken care of by the systems, and appropriate errors are shown to client when bad data is entered. Both positive and negative testing play important role. Positive testing ensures that application does what it is implied for and perform each function as expected. Negative testing is opposite of positive testing. Negative testing discovers diverse approaches to make the application crash and handle the crash effortlessly.
    • The purpose of negative testing is to prevent the application from crashing and it also helps improve the quality of an application by detecting defects.
    • Negative testing helps to improve the testing coverage of the application.
    • Negative testing makes the application more stable and reliable.
    • Negative testing together with positive testing allows users to test the application with any valid or invalid) input data.

    Q4.
    Characteristics of Negative testing are:
    • It is carried to point out the faults which can lead to major failures
    • It is performed to find the software weakness and its potential for exploitation
    • It is conducted to identify how the security breaches can occur.

  25. 1.What is Negative Testing? It is testing the software with invalid input data.
    2. Mention the difference between Positive and negative testing? Positive is testing with valid input data and negative vise versa.
    3. What are the advantages of Negative testing? Finding our how the software behaves in unexpected conditions.
    4. Explain the characteristics of Negative testing?Negative testing characteristics are:
    It is carried to point out the faults which can lead to major failures
    It is performed to find the software weakness and its potential for exploitation
    It is conducted to identify how the security breaches can occur.

  26. 1. Negative testing is done to ensure that a software application can gracefully handle invalid input or unexpected user behavior. For example if a user tries to type a wrong data in the field it would display a correct message for incorrect data. The quality of the application improves due to the negative testing. Negative testing is important from the software organization’s perspective because it is their responsibility to build and deliver a good quality product to the customer. To achieve this negative testing is conducted.
    Negative testing characteristics:
    • It is carried to point out the faults which can lead to major failures
    • It is performed to find the software weakness and its potential for exploitation
    • It is conducted to identify how the security breaches can occur.

    2. In Positive testing – the application functions same as expected valid data sets. If any error occurs during positive testing the test will fail. It always proves that the product always meets the requirement specifications.
    In Negative testing – the application that handles the unexpected behavior or invalid input.
    The main intention is to test whether the software is not showing the error when it is supposed to show or showing error when it shouldn’t show.

    3. The main advantage of negative testing is “the quality of the application improves”. That means Negative testing is helping every organization to build a good quality product to the customer. Another advantage in the negative testing is to check the stability of any software under the influences of various types of incorrect data set.

    4. Negative testing characteristics are:
    – It is carried to point out the faults which can lead to major failures
    – It is performed to find the software weakness and its potential for exploitation
    – It is conducted to identify how the security breaches can occur.

  27. 1. Negative Testing:
    Negative testing is performed to check the function of the application with invalid input or when unexpected behavior occurs.
    In general it means to test whether the software is not showing the error when it is supposed to show or showing error when it
    shouldn’t show
    For example: Entering more characters in input text fields when it accepts only 4-8 characters.
    2.Differences between Positive Testing and Negative Testing:
    Positive Testing:
    -Tested to check the application functions as expected.
    -Input is given as the system designed.
    -If errors occur during the positive testing the test fails.
    Negative Testing:
    -Tested to check the functions of application when unexpected behavior occurs.
    -Input is identified for which the system is not designed.
    -The testing ensures that the software can handle the improper behavior of the system.
    3.Advantages of Negative Testing:
    -By performing the negative testing we can ensure that the software can withstand the unexpected behavior of the system also
    ensures the stability and security of the software.
    -Good quality of the product will be provided to the client.
    4.Characteristics of Negative Testing:
    -Negative testing can recognize the faults which can leat to major failure of the software.
    -Negative testing can identify how the security breaches occure.

  28. 1. Negative Testing is a software testing that can be performed on the system by providing invalid data as input. It checks whether an application behaves as expected with the negative inputs. This is to test the application does not do anything that it is not supposed to do .
    2. Positive testing makes sure that the system accepts inputs for the normal use by the user. For example, checking the system for a user name and password combination to login is a way of positive testing. Positive testing determines that your application works as expected. If an error is encountered during positive testing, the test fails
    In the Negative testing the application is validated against the invalid inputs. It tests for excessive inputs. It is done with unknown set of test conditions and anything that is not mentioned in the client requirement is tested.
    3. The advantages of negative testing is to prevent the application from crashing and it also helps improve the quality of an application by detecting defects. Negative testing helps you to improve the testing coverage of the application. Negative testing is important in the organization’s perspective because it is the responsibility of every organization to build a good quality product to the customer.
    4. A) It is carried to point out the faults which can lead to major failures.
    B) It is performed to find the software weakness and its potential for exploitation.
    C) It is conducted to identify how the security breaches can occur.

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