Virtual Clock

The book has now been published and the content of this chapter has likely changed substanstially.

Make the system clock a substitutable dependency that allows replacement of the default implementation by a Test Double.

We can have a hard time unit-testing code that depends on the system clock. This paper describes both the problem and a common, reusable solution.

Full description is available at: http://www.nusco.org/docs/virtual_clock.pdf.

Page generated at Wed Feb 09 16:39:06 +1100 2011