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Appendix C: Non-public code tests

Since testing of private and protected code has been discussed in-depth in the tutorial, here is a list of methods inherited by TestCases extending junitx.framework.PrivateTestCase.

as*
These methods convert objects returned by invoke* methods into simple data types. Available are asBoolean, asByte, asChar, asDouble, asFloat, asInt, asLong and asShort.
dumpKeys
writes all method keys for the invoke* methods on stdout.
get*
reads an attribute value from a class, even when it's private or protected. In order to get the return type these methods are available: get, getBoolean, getByte, getChar, getDouble, getFloat, getInt, getLong and getShort.
invoke, invokeWithKey
invoke a method in another class. The method names can be listed with dumpKeys.
newInstance, newInstanceWithKey
creates a new instance of a class. If the constructor can only be found using a key from dumpKeys, use newInstanceWithKey.

For examples how to access code like private inner classes, look at the test cases of JUnitX. They are located in the path tests/junitx/framework of the JUnitX source distribution. Details on the above mentioned methods can be found in the API documentation of JUnitX.

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