x ◾ Contents
Metric-Based Dashboards ........................................................................113
Review Questions .................................................................................... 115
Exercises ..................................................................................................115
References ................................................................................................ 115
Suggested Readings .................................................................................116
8 Software Test Metrics .........................................................................117
Project Metrics .........................................................................................117
Schedule Variance ...........................................................................117
Effort Variance ...............................................................................117
Cost ................................................................................................118
Human Productivity .......................................................................118
Requirement Stability .....................................................................118
Resource Utilization .......................................................................118
Customer Satisfaction .....................................................................119
Test Effectiveness ............................................................................119
Process Metrics ........................................................................................119
Defect Removal Efficiency ..............................................................120
Test Cases Count ............................................................................120
Test Coverage .................................................................................121
Functionality Coverage .........................................................121
Code Coverage ......................................................................121
Percentage of Bad Fix......................................................................122
Product Metrics .......................................................................................122
Defect Counts ................................................................................122
Defect Arrival Rate ................................................................122
Defect Closure Rate...............................................................122
Component Defect Count .....................................................123
Component Defect Density ............................................................123
Defect Classification .......................................................................124
Testing Size: Test Case Point ...................................................................124
Risk Metric ..............................................................................................125
Predicting Quality ...................................................................................126
Metrics for Test Automation ....................................................................126
Return on Investment .....................................................................126
Percentage Automatable ..................................................................126
Automation Progress .......................................................................127
Case Study: Defect Age Data ...................................................................127
Review Questions ....................................................................................128
Exercises ..................................................................................................129
References ................................................................................................129
Suggested Readings .................................................................................129