What is the test?

What is the test?
Software testing is to measure whether a software product or feature meets expectations in a specific time environment for the purpose of being normal and reasonable.

Test function
1. Confirm the correct items and test the standards (specification-conventions-High Level judgment)
2. Ensure that the development activities are in the correct direction (various test reports)
Measure whether software products or features meet expectations

Develop standards in advance(Example of shutter sound after mute)

Specific time and Environment
Test-project intervention
Avoid endless tests-Four Methods of writing back words

Purpose-Normal and reasonable

Test Economics-In terms of costs, the money spent on bug change is also a loss.