Example Of Error Fault And Failure
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Error Fault Failure In Software Engineering
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Failure In Software Testing
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Define Error In Software Testing
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Difference Between Error And Failure
Fault : It is a condition that causes the software to fail to perform its required function. Error : Refers to software errors, faults and failures difference between Actual Output and Expected output. Failure : It is the inability of a system or component to perform required function according to its specification. IEEE Definitions Failure: External behavior is incorrect Fault: Discrepancy in https://www.youtube.com/watch?v=O-vliUERNNY code that causes a failure. Error: Human mistake that caused fault Note: Error is terminology of Developer. Bug is terminology of Tester Do not want to miss any Software Testing tips and latest updates? Subscribe the Software Testing Newsletter and get effective software testing tips Enter your Email below: Newer Post Older Post Home Subscribe to: Post Comments (Atom) Follow the Contributors of this blog Sumit: Brijesh Paul: Braidy Hunter: http://www.softwaretestingtimes.com/2010/04/fault-error-failure.html Amy White: Follow @testingconcepts Didn't find your topic? Search this website with more than 400 testing topics Blog Archive ► 2016 (1) ► June (1) ► 2015 (2) ► April (1) ► March (1) ► 2014 (4) ► December (1) ► November (1) ► March (1) ► January (1) ► 2013 (6) ► December (1) ► August (2) ► July (1) ► April (1) ► January (1) ► 2012 (11) ► November (2) ► October (2) ► September (2) ► April (1) ► March (1) ► February (1) ► January (2) ► 2011 (34) ► December (2) ► November (3) ► October (3) ► September (4) ► August (2) ► May (5) ► April (4) ► March (7) ► February (1) ► January (3) ▼ 2010 (159) ► November (3) ► October (7) ► September (2) ► August (5) ► July (10) ► June (14) ► May (16) ▼ April (99) Choosing right scripting technique/Framework for A... Selenium for Functional testing of web application... Types of Software errors and bugs | Most Common So... Measuring Software test effectiveness HP WinRunner exam HP0-M12 sample questions Step by Step guide to Test Case Development Software Testing Techniques Test Design Techniques Difference between Test Plan and Test Strategy | D... Tricky Software testing T
error? Error is deviation from actual and expected value. It represents mistake made by people. What is a fault? Fault is incorrect step, process or data definition in a computer program which causes the program to behave in an unintended or unanticipated manner. It is the result of the error. What is http://softwaretestingbykunti.blogspot.com/2012/11/difference-between-error-fault-bug.html a bug? Bug is a fault in the program which causes the program to behave in http://stackoverflow.com/questions/6323049/understanding-what-fault-error-and-failure-mean an unintended or unanticipated manner. It is an evidence of fault in the program. What is a failure? Failure is the inability of a system or a component to perform its required functions within specified performance requirements. Failure occurs when fault executes. What is a defect? A defect is an error in coding or logic that causes a program to malfunction or to produce incorrect/unexpected results. A defect error fault is said to be detected when a failure is observed. So I wrote a C program as mentioned below: Add two numbers program Example 1: As mentioned this program is required to add two numbers. 1#include
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Understanding what Fault, Error and Failure mean up vote 2 down vote favorite 1 Consider the following class: class Xyz { public int count; public void numZero (int[] x) { // Effects: if x == null throw NullPointerException // else return the number of occurrences of 0 in x int count = 0; for (int i = 1; i < x.length; i++) //we have a bug here { if (x[i] == 0) { count++; } } this.count = count; } } I'm trying to wrap my head about what Fault, Error and Failure really mean. Fault From what I've come to understand, a Fault in this context would be a flaw in the code's written logic. So in this case the Fault would be the fact that the code instructs the computer to start iterating over all elements of v with a start index of 1 instead of the expected 0. Error When running the above method, we always get an Error but in once instance (when v.length == 0), as what we really want is to iterate over all elements of x, but since we're starting with i = 1, that is not really happening. With an empty vector as input, as we don't enter the for loop, so our incorrect code isn't run, meaning that the Error doesn't happen, and everything happens as should in theory. Failure Since our code has a Fault that in execution-time will almost always manifest in a Error, we only have a Failure when we effectively see the incorrect output. Assuming that an Error effectively happened in my program, we only have a Failure if it is in some way visible to the outside world. That is, had I private int count; instead of public int count; I'd never ever have an Error in my class (of course it'd be the most useless class ever!). Is this right? Is everything I said correct or am I erring in something? Thanks testing share|improve this question edited Jun 13 '11 at 15:50 user7116 47.6k11100146 asked Jun 12 '11 at 16:22 devoured elysium 28.7k70229409 This belongs at english.stackexchange.com –Hans Passant Jun 12 '11 at 18:27 ...or sqa.stackexchange.com :)) –Tanparmaiel Jun 12 '11 at 21:31 2 @Hans: that must certainly be a joke, right? –devoured elysium Jun 14 '11 at 8:40 add a comment| 4 Answers 4 active oldest votes up v