test_name	sorted-two-way-list-invariant-violation
test_description Because `twin' was not properly implemented in SORTED_TWO_WAY_LIST, this could generate an invariant violation when callign `twin'.

copy_sub	Ace $TEST Ace
copy_raw	test.e $CLUSTER test.e

compile_melted
compile_result	ok

execute_work	NONE	exec_output
execute_result	ok

compare	exec_output output

test_end