| Class | Description |
| AirRunner |
The base class for Air application runners that use the Flex framework. |
| FlexRunner |
The FlexTestRunner should be the base class for your
test harness if you're testing a project that uses Flex components. |
| ResultPrinter |
This is the base class for collecting test output and formatting for different
displays. |
| TestRunner |
The base class for ActionScript 3.0 test harness. |
| TestTime | |
| XMLResultPrinter |
The XMLResultPrinter is used to transform AsUnit test results
to JUnit-compatible XML content. |