KiwiThrowables improvements and new features in ThrowableInfo #719

sleberknight · 2022-04-30T20:25:32Z

Add @nullable annotation to method parameters that can be null
Improve/add Javadocs to existing methods in ThrowableInfo
Add emptyThrowableInfo() method which always returns the same
singleton "empty" ThrowableInfo instance
Always return the singleton "empty" instance from ThrowableInfo#of
when given a null Throwable as the argument
Add isEmptyInstance() method to ThrowableInfo to permit calling code
to determine whether the original Throwable was null
Add hasCause() to ThrowableInfo to allow easy checking whether the
original Throwable had a cause (if not null)
Add tests for new methods and more assertions in some existing tests

* Add @nullable annotation to method parameters that can be null * Improve/add Javadocs to existing methods in ThrowableInfo * Add emptyThrowableInfo() method which always returns the same singleton "empty" ThrowableInfo instance * Always return the singleton "empty" instance from ThrowableInfo#of when given a null Throwable as the argument * Add isEmptyInstance() method to ThrowableInfo to permit calling code to determine whether the original Throwable was null * Add hasCause() to ThrowableInfo to allow easy checking whether the original Throwable had a cause (if not null) * Add tests for new methods and more assertions in some existing tests