Ways to Reduce Test Cost On Monday

Ways to Reduce Test Cost On Monday

Matthew Heusser matt@xndev.com

ExcelonDevelopment Presented to ICOTE

Sept 25, 2012

A Gemba Walk

(°F - 32) x 5/9 = °C

Improved Code QualityThrough Examples

Fahrenheit Celsius Explanation32 0 #Zero case212 100 #Boiling500 260 #Upper bound501 ERROR #Beyond upper bound33 1 #Simple case34 1 #Round Up on 0.534.9 1 #Truncate input on fractions-200 -129 #Round up and lower bound-201 ERROR #Beyond lower boundNULL ERROR #Error if BlankHELLO ERROR #Error if Plain Text

Improved Code QualityThrough Examples

Function Input Expected Actual Result

Convert_F_to_C 32 0 0

Convert_F_to_C 212 100 100

Convert_F_to_C 500 38 38

Convert_F_to_C 501 149 149

Convert_F_to_C 33 1 1

Convert_F_to_C 34 1 1

Convert_F_to_C 34.9 1 1

Convert_F_to_C -200 -129 -129

Convert_F_to_C -201 ERROR ERROR

Improved Code QualityThrough Examples

Achieve One-piece flow

Questions …… and Answers

Ways to Reduce Test Cost On Monday

Matthew Heusser matt@xndev.com

Thank You!

ExcelonDevelopment Presented to Lockheed Martin

Sept 24, 2012