OCR J277 · Component 02 · 2.3

Producing robust programs

Defensive design, testing, validation, maintainability, and errors.

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2.3.1

Defensive design

Robust program design, anticipating misuse, validation, authentication, maintainability, and clear errors.

What Makes a Program Robust?

2.3.1 · 5 mins · 10 XP · 10 Bits

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Input Validation

2.3.1 · 5 mins · 10 XP · 10 Bits

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Authentication and Access Checks

2.3.1 · 5 mins · 10 XP · 10 Bits

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Maintainability and Readable Code

2.3.1 · 5 mins · 10 XP · 10 Bits

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2.3.2

Testing

Testing purpose, test data, test plans, and identifying syntax, logic, and runtime errors.

Why Testing Matters

2.3.2 · 5 mins · 10 XP · 10 Bits

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Syntax Errors and Logic Errors

2.3.2 · 5 mins · 10 XP · 10 Bits

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Test Data: Normal, Boundary and Invalid

2.3.2 · 5 mins · 10 XP · 10 Bits

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Creating a Test Plan

2.3.2 · 5 mins · 10 XP · 10 Bits

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