Missing Variable Definition

Definition:

• A variable or out parameter is read before its value has been defined. Access to undefined variables might result in unpredictable behavior.

Also Known As:

• Ur Data Flow Anomaly

Code Example:

function f (in integer i, out integer j) {
  var integer k := 1, l;
  j := i + j + k + l;
}

References:

Quality attributes

• - Code Example

• - Cause and Effect

• - Frequency

• - Refactoring

• An approach to quality engineering of TTCN-3 test specifications

• Pattern-based Smell Detection in TTCN-3 Test Suites

• Utilising Code Smells to Detect Quality Problems in TTCN-3 Test Suites