--| Copyright (c) 1993-2020 University of Southern California, Eiffel Software and contributors.
--| All rights reserved.
--| Your use of this work is governed under the terms of the GNU General
--| Public License version 2.

class TEST
inherit
	MEMORY
create
	make
feature

	--| NOTE: Must set environment variable EIF_MEMORY_CHUNK to 262143
	--| before executing system

	make (args: ARRAY [STRING])
		local
			item_count1, item_count2: INTEGER;
			seed1, seed2: INTEGER;
			k, pos, count: INTEGER;
			list_of_lists: ARRAYED_LIST [ARRAYED_LIST [TEST2]];
			list: ARRAYED_LIST [TEST2];
			r, s: RANDOM;
			gc: INTEGER;
			env: EXECUTION_ENVIRONMENT
			val: STRING_32
			selected_chunk_size: INTEGER
		do
			gc :=  args.item (1).to_integer;
			item_count1 :=  args.item (2).to_integer;
			item_count2 :=  args.item (3).to_integer;
			seed1 :=  args.item (4).to_integer;
			seed2 :=  args.item (5).to_integer;
			create env
			val := env.item ("EIF_MEMORY_CHUNK")
			if val /= Void and then val.is_integer then
			   selected_chunk_size := val.to_integer
			end

			inspect
				gc
			when 1 then
				allocate_fast
			when 2 then
				allocate_compact
			when 3 then
				allocate_tiny
			end
			print (chunk_size >= selected_chunk_size); io.new_line 
			create r.set_seed (seed1) ;
			create s.set_seed (seed2) ;
			create list_of_lists.make_filled (item_count1);
			from
				k := 1;
				r.start;
				s.start;
			until
				k > 1000
			loop
				collect
				full_coalesce
				full_collect
				if (k \\ 100) = 0 then
					io.putint (k); io.new_line;
				end;
				count := s.item \\ item_count2;
				list := new_list (count);
				pos := (r.item \\ item_count1) + 1;
				list_of_lists.put_i_th (list, pos);
				r.forth;
				s.forth;
				k := k + 1;
			end
		end;

	new_list (item_count: INTEGER): ARRAYED_LIST [TEST2]
		local
			k: INTEGER;
		do
			from
				k := 1 ;
				create Result.make (item_count);
				Result.wipe_out;
			until
				k > item_count
			loop
				Result.extend (Void);
				k := k + 1;
			end
		end;

end