
298 An Introduction to Compiler Construction in a Java World
You can have as many configurations as you like. To run or debug a particular configu-
ration, click Run → Run ... or Run → Debug ... menu, select the configuration, and click
Run or Debug. The output (STDOUT and STDERR) messages from the compiler are redirected
to the Console pane.
A.7 Testing Extensions to j--
We test extensions to the j-- language that compile to the JVM target using a JUnit test
framework. The framework supports writing conformance and deviance tests in order to
test the compiler; it also supports writing JUnit test cases to run the pass tests.
A pass test is a j-- test