Updated: 5/7/2026

  • Home
  • About
    • Welcome
    • Training / Consulting
    • History
    • Attribution
  • The gDS Facility
    • Disassembling DBMSs
    • gDS Overview
    • Working With gDS Tables
    • .dd File Format
    • gDS Generated Code
    • Managing Concurrency
  • AI R&D
    • Introduction
  • Building Test Platforms
    • Development Phases
    • Interface To The SUT
    • Test Runs and Cycles
    • Screen Displays
    • Static/Dynamic Config.
    • Managing Concurrency
    • Additional Functionality
  • Case Studies & Code
    • Overview & TOC
    • Case Study 1
    • Case Study 2
    • Case Study 3
    • Case Study 4
  • Webinars
    • Webinar Notes
  • More
    • Home
    • About
      • Welcome
      • Training / Consulting
      • History
      • Attribution
    • The gDS Facility
      • Disassembling DBMSs
      • gDS Overview
      • Working With gDS Tables
      • .dd File Format
      • gDS Generated Code
      • Managing Concurrency
    • AI R&D
      • Introduction
    • Building Test Platforms
      • Development Phases
      • Interface To The SUT
      • Test Runs and Cycles
      • Screen Displays
      • Static/Dynamic Config.
      • Managing Concurrency
      • Additional Functionality
    • Case Studies & Code
      • Overview & TOC
      • Case Study 1
      • Case Study 2
      • Case Study 3
      • Case Study 4
    • Webinars
      • Webinar Notes
  • Home
  • About
    • Welcome
    • Training / Consulting
    • History
    • Attribution
  • The gDS Facility
    • Disassembling DBMSs
    • gDS Overview
    • Working With gDS Tables
    • .dd File Format
    • gDS Generated Code
    • Managing Concurrency
  • AI R&D
    • Introduction
  • Building Test Platforms
    • Development Phases
    • Interface To The SUT
    • Test Runs and Cycles
    • Screen Displays
    • Static/Dynamic Config.
    • Managing Concurrency
    • Additional Functionality
  • Case Studies & Code
    • Overview & TOC
    • Case Study 1
    • Case Study 2
    • Case Study 3
    • Case Study 4
  • Webinars
    • Webinar Notes

Case Study 4

Large vintage aircraft displayed in an aviation museum hangar.

The PHTSG application

(Yes, still under construction)


PHTSG stands for the tables Person, House, Town, State and Governor. These 5 tables are used in 2 case studies (4 and 5). The case studies concentrate on gDS, not testing.


The website and GitHub repo are also undergoing a major cleanup and revision; I'll put the overall release date around 6/15.

Testing Complex Systems

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