Software Testing Tutorial #35 - Boundary Value Analysis in Testing

In this Software Testing Tutorial, we will learn about boundary value analysis in software testing. Basically, equivalence partitioning and boundary value analysis go hand in hand. We need to apply both equivalence partitioning and boundary value analysis together to come up with the best test cases and get maximum coverage for the component that you are going to test.

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[manoj_mafiosi]

**Notes: Boundary Value Analysis in Testing - Software Testing Tutorial #35**

**EP and BVA Working Together:**
- EP and BVA complement each other to maximize testing effectiveness.

**Recap of Equivalence Partitioning (EP):**
- Example: Discounts based on purchase amounts.
- Defined valid and invalid partitions.

**Introducing Boundary Value Analysis (BVA):**
- Imagine marking boundaries before building a house.
- Similarly, BVA defines boundaries and designs test cases within those boundaries.

**Example: Building a House:**
- Consider a plot of land with length and breadth:
- Length: 10 meters
- Breadth: 20 meters

**Analysis and Boundaries for EP:**
1. **5% Discount Partition:**
- Lower Boundary: $1
- Upper Boundary: $100.99

2. **10% Discount Partition:**
- Lower Boundary: $101
- Upper Boundary: $200.99

3. **20% Discount Partition:**
- Lower Boundary: $201
- Upper Boundary: $500.99

4. **25% Discount Partition:**
- Lower Boundary: $501
- Upper Boundary: $5000.99

5. **Invalid Purchase Boundary:**
- Lower Boundary: $0.99
- Upper Boundary: $5001

**Designing Test Cases with EP and Boundaries:**
- Combine boundaries with values within valid partitions to create well-defined test cases.
- Focus on boundary values to cover critical scenarios.

[prasadhrv]

Thank you sir.. The best explaination for BVA and EPA

[brindathakarar]

Hello Sir! First of all, Thank you, your tutorials have been very helpful to understand theoretical concepts. However, I do have a question. What tools do we have to use in order to perform these tests practically?

[NatashasVocals]

Thank you so much Sir...EXTREMELY HELPFUL

[mumeensalau]

This is a great illustration of EP and BVA, Thank you so much

[hamzahmehyar]

Very informative video, thank you so much🙏

[karmelahrenovic]

it was great, could you do more examples, please

[vinithav.]

Hello Sir, When do we use BVA and EP? Are they always applied together or can they also be applied separately? If can be used separately, then when to use which one?

[nidhisahay]

Sir we need to write script in java to test this, or manualy we can u.Manualy means without running any code, just manualy.

[pradipvaghela]

Hello sir, 1st of all thanks for such a easy example. i have a one confusion. if range is only between 1-100. then the 100.99 is the valid value or 100 ?

[subramanig]

How many test case required for this example

[virgoroobs]

What is the actual number of test cases for this example?