Random-input testing for issue #4840, "Merge assertion failure in svn_sort__array_insert".
This adds tests for svn_rangelist_merge2() with …
Random-input testing for issue #4840, "Merge assertion failure insvn_sort__array_insert".This adds tests for svn_rangelist_merge2() with canonical inputs,with "semi-canonical" inputs which meet criteria described in itsdoc string, and with non-validated inputs.* subversion/tests/libsvn_subr/mergeinfo-test.c (...): Helper functions. (test_rangelist_merge_random_canonical_inputs, test_rangelist_merge_random_semi_c_inputs, test_rangelist_merge_random_non_validated_inputs): New tests. (test_funcs): Run them.