Podcast
Questions and Answers
What is the primary focus of static analysis?
What is the primary focus of static analysis?
- Evaluating input/output behavior during runtime.
- Assessing code execution speed and memory usage.
- Simulating user interactions to identify usability issues.
- Evaluating a component without executing it, based on its form, structure, content, or documentation. (correct)
Which of the following is a key benefit of static testing?
Which of the following is a key benefit of static testing?
- Automated generation of test cases.
- Ensuring compliance with hardware specifications.
- Early feedback on potential defects. (correct)
- Identifying performance bottlenecks in real-time.
In which type of systems is static analysis considered critical?
In which type of systems is static analysis considered critical?
- Safety-critical systems such as flight control software (correct)
- Mobile gaming applications
- E-commerce websites
- Social media platforms
Which of the following work products can be examined by static testing?
Which of the following work products can be examined by static testing?
How does static testing contribute to the software development lifecycle?
How does static testing contribute to the software development lifecycle?
What is a primary difference between static and dynamic testing?
What is a primary difference between static and dynamic testing?
Which type of defect is generally easier to find using static testing methods compared to dynamic testing?
Which type of defect is generally easier to find using static testing methods compared to dynamic testing?
Why does static testing find defects rather than failures?
Why does static testing find defects rather than failures?
Consider an application deployed to a nuclear power plant. Which combination of testing methodologies would yield the most robust and secure result, considering the unique risks associated with that industry?
Consider an application deployed to a nuclear power plant. Which combination of testing methodologies would yield the most robust and secure result, considering the unique risks associated with that industry?
An engineer is tasked with evaluating a legacy system without access to up-to-date formal documentation or consistent naming conventions. Considering the inherent limitations, which combination of static analysis techniques would be the MOST effective in identifying potential vulnerabilities?
An engineer is tasked with evaluating a legacy system without access to up-to-date formal documentation or consistent naming conventions. Considering the inherent limitations, which combination of static analysis techniques would be the MOST effective in identifying potential vulnerabilities?
Dynamic testing assesses a component or system without executing it.
Dynamic testing assesses a component or system without executing it.
Static analysis is primarily used to evaluate code against criteria such as adherence to coding standards and complexity thresholds.
Static analysis is primarily used to evaluate code against criteria such as adherence to coding standards and complexity thresholds.
Dynamic testing can identify variables used before definition, a type of defect often missed by static testing.
Dynamic testing can identify variables used before definition, a type of defect often missed by static testing.
One benefit of static testing is the delay of early feedback in the development lifecycle.
One benefit of static testing is the delay of early feedback in the development lifecycle.
In dynamic testing, software is not executed but manually reviewed.
In dynamic testing, software is not executed but manually reviewed.
Dynamic test execution can be applied to any type of specification, not just software code.
Dynamic test execution can be applied to any type of specification, not just software code.
Static testing is more effective at finding failures than defects.
Static testing is more effective at finding failures than defects.
Dynamic testing is commonly referred to as 'tool-driven evaluation' of code or work products.
Dynamic testing is commonly referred to as 'tool-driven evaluation' of code or work products.
Traceability problems, which align the requirements to the code and tests, are easier to find with dynamic testing only, but not static testing.
Traceability problems, which align the requirements to the code and tests, are easier to find with dynamic testing only, but not static testing.
Dynamic testing seeks to evaluate code based on its structure, content, or documentation to find defects, without executing it.
Dynamic testing seeks to evaluate code based on its structure, content, or documentation to find defects, without executing it.
Match the testing type with its description:
Match the testing type with its description:
Match each benefit with the type of testing it primarily supports:
Match each benefit with the type of testing it primarily supports:
Match the work product with the most appropriate type of testing:
Match the work product with the most appropriate type of testing:
Match the defect type to the testing methodology that is most effective at finding it:
Match the defect type to the testing methodology that is most effective at finding it:
Match the following descriptions to either static or dynamic testing:
Match the following descriptions to either static or dynamic testing:
Match the following types of analysis with their application:
Match the following types of analysis with their application:
What kind of testing prevents design and code defects?
What kind of testing prevents design and code defects?
Match the scenario to the appropriate testing method:
Match the scenario to the appropriate testing method:
Match the characteristic with the appropriate testing type:
Match the characteristic with the appropriate testing type:
Match the extremely challenging scenario with the most suitable practice:
Match the extremely challenging scenario with the most suitable practice:
Flashcards
Static Analysis
Static Analysis
Evaluating a component or system without executing it, based on its form, structure, content, or documentation.
Static Testing
Static Testing
Testing that does not involve the execution of a test item
Dynamic Testing
Dynamic Testing
Testing that involves the execution of the test item.
Objective of Static vs Dynamic Testing
Objective of Static vs Dynamic Testing
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Static Testing Approach
Static Testing Approach
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Dynamic Testing Approach
Dynamic Testing Approach
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Defect Finding
Defect Finding
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Defects easier to find with static testing
Defects easier to find with static testing
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Benefits of static testing
Benefits of static testing
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Work products
Work products
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Dynamic test execution
Dynamic test execution
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Study Notes
Static Analysis
- It evaluates a component/system without execution.
- Evaluation considers form, structure, content, or documentation.
Static Testing
- Testing conducted without executing the test item.
Dynamic Testing
- Testing that involves executing the test item.
Static Analysis Tools
- Involves tool-driven evaluation of code or work products.
- These tools perform 'tool-driven evaluation' of code or work products.
Usage of Static Analysis
- Critical in safety-critical systems such as flight control software, medical devices, and nuclear power control.
- Evaluates code against coding standards, complexity thresholds, spelling, grammar, and reading difficulty.
Work Products for Static Testing
- Includes any type of specification.
- Also includes Epics, user stories, and acceptance criteria.
- Includes Code.
- Testware
- User guides and help text
- Web pages
- Contracts
- Models
Defect Identification
- Identifies variables used before definition,
- Useful because these defects can cause failures hard to find dynamically.
- Early defect reduction saves time on testing and maintenance.
Benefits of Static Testing
- Provides early feedback.
- Reduces rework costs.
- Makes defect detection and correction more efficient.
- Prevents design and code defects.
- Increases productivity.
- Reduces development, testing, and overall quality costs.
- Improves communication.
Static vs. Dynamic Testing
- Objective: Assess work product quality & identify defects early.
- Both methods are necessary to find different types of issues.
- Static testing reviews work products without execution.
- Dynamic testing executes software with test inputs.
- Dynamic testing executes software using input values, then compares the output to expectations.
- Static testing examines software work products manually or with tools, without execution.
- Dynamic test execution applies only to software code.
- Dynamic execution detects defects and determines code quality attributes.
Defects Easier to Find with Static Testing
- Requirements defects.
- Design defects.
- Coding defects.
- Deviations from standards.
- Incorrect interface specifications.
- Security vulnerabilities.
- Traceability problems.
- Maintainability defects.
Static Testing vs Failures
- Finds defects, not failures.
- Static testing cannot find failures because it doesn't cause the system to do anything.
- Only dynamic testing can find failures.
- Directly finds defects, whereas dynamic testing investigates the failure to find a defect.
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