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Section 20.8 Glossary

Glossary Glossary

assert statement

A statement that verifies that a boolean condition is true.

design by contract

An approach to designing functions that specifies function behavior using preconditions and postconditions.

postcondition

Part of a function specification that states the work the function completed by the function if the precondition is satisfied.

precondition

A boolean condition that the caller of a function must ensure is true in order for the function to produce correct results

specification-based tests

tests that are designed based only on the information in the function specification, without considering any of the details in the function implementation.

unit test

Code that tests a function to determine if it works properly

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