Code Quote by Steve McConnell
“It's hard enough to find an error in your code when you're looking for it; it's even harder when you've assumed your code is error-free.”
About This Quote
Source Book: Code Complete, 2nd Edition, 2004
Assuming code works without testing leads to missed bugs; thorough verification is essential.
In simple terms: Assuming code is flawless hides errors.
Test actively, avoid assumptions.
Themes
Mood
Type
When to use this quote
- code reviews
- unit testing
- continuous integration
- pair programming
Key Concepts
Questions to Reflect On
- How do you ensure your tests cover edge cases?
- What habits prevent overconfidence in code?
Even with testing, hidden defects may persist if tests are inadequate.