RubyProcess.new BlockCallback() {...}

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	30 of 30	0%	0 of 0	n/a	2	2	5	5	2	2
call(ThreadContext, IRubyObject[], Block)		0%		n/a	1	1	4	4	1	1
{...}		0%		n/a	1	1	1	1	1	1