Скачать или смотреть ISTQB Foundation Level | Part #40 | (සිංහල) - State Transition Testing | Part 2

Welcome back to ISTQB Guide Sinhala! In video 40 , we explore State Transition Testing – a powerful black-box technique for testing systems with different states. Learn to create state diagrams, design test cases, and master three coverage criteria for comprehensive state-based testing.

📋 Download State Transition Testing Templates:

📌 What You'll Master:
✅ State Transition Fundamentals

State Diagrams vs State Tables – Two Modeling Approaches

Event-Guard-Action Syntax – Understanding transition labels

Valid vs Invalid Transitions – Explicit representation in tables

✅ Coverage Criteria Deep Dive
1️⃣ All States Coverage – Ensuring all states are visited
2️⃣ Valid Transitions Coverage (0-switch) – Testing all valid state changes
3️⃣ All Transitions Coverage – Including invalid transition attempts

✅ Test Case Design

Sequence Creation – Events leading to state changes

Multiple Transitions – Single test cases covering several changes

Defect Masking Prevention – Isolating invalid transition tests

✅ Practical Applications

Mission-Critical Systems – When to use full all transitions coverage

Real-World Examples – From login flows to e-commerce checkouts

Coverage Prioritization – Choosing the right criterion for your project

🔔 Why Watch?
✔️ ISTQB Exam Ready: Master state transition testing concepts
✔️ Practical Skills: Create effective state-based test cases
✔️ Coverage Mastery: Understand and apply three coverage levels


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💬 Discussion Prompt:
"Which coverage criterion do you typically use: All States, Valid Transitions, or All Transitions? Why?"

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