diff options
Diffstat (limited to 'lib/hipe/test/bs_SUITE_data/bs_shell_native.erl')
| -rw-r--r-- | lib/hipe/test/bs_SUITE_data/bs_shell_native.erl | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/lib/hipe/test/bs_SUITE_data/bs_shell_native.erl b/lib/hipe/test/bs_SUITE_data/bs_shell_native.erl new file mode 100644 index 0000000000..b438f8d9ef --- /dev/null +++ b/lib/hipe/test/bs_SUITE_data/bs_shell_native.erl @@ -0,0 +1,275 @@ +%%% -*- erlang-indent-level: 2 -*- +%%%------------------------------------------------------------------- +%%% File : bs_shell_native.erl +%%% Author : Per Gustafsson <[email protected]> +%%% Purpose : Tests that the Erlang shell works well when in native +%%% Created : 6 Sep 2006 +%%%------------------------------------------------------------------- +-module(bs_shell_native). + +-export([prepare_for_test/0, test/0]). +%% These need to be exported so that we emulate calling them from the shell +-export([parse_and_eval/1, receiver/1, receiver_alot/1, send_alot/3]). + +%% This makes sure the shell runs native code +prepare_for_test() -> + lists:foreach(fun (M) -> {ok, M} = hipe:c(M) end, [erl_bits, erl_eval]). + +test() -> + ok = eval_bits_in_shell(), + ok = eval_bin_comp_in_shell(), + ok. + +%%-------------------------------------------------------------------- +%% Tests for bit stream operations including matching, construction +%% and binary_to_list, list_to_binary in the shell +eval_bits_in_shell() -> + <<1:100>> = parse_and_eval("<<1:100>> = <<1:100>>."), + ok = match(7), + ok = match(9), + ok = match1(15), + ok = match1(31), + ok = horrid_match(), + ok = test_bitstr(), + ok = test_bitsize(), + ok = asymmetric_tests(), + ok = big_asymmetric_tests(), + ok = binary_to_and_from_list(), + ok = big_binary_to_and_from_list(), + ok = send_and_receive(), + ok = send_and_receive_alot(), + ok. + +parse_and_eval(String) -> + {ok, Toks, _} = erl_scan:string(String), + {ok, Exprs} = erl_parse:parse_exprs(Toks), + Bnds = erl_eval:new_bindings(), + case erl_eval:exprs(Exprs, Bnds) of + {value, V, _} -> + V; + V -> + V + end. + +match(N) -> + Str = "N =" ++ integer_to_list(N) ++ ", <<0:N>> = <<0:N>>.", + <<0:N>> = parse_and_eval(Str), + ok. + +match1(N) -> + Str = "N =" ++ integer_to_list(N) ++ ", <<42:N/little>> = <<42:N/little>>.", + <<42:N/little>> = parse_and_eval(Str), + ok. + +test_bitsize() -> + 101 = parse_and_eval("101 = erlang:bit_size(<<1:101>>)."), + 1001 = parse_and_eval("1001 = erlang:bit_size(<<1:1001>>)."), + 80 = parse_and_eval("80 = erlang:bit_size(<<1:80>>)."), + 800 = parse_and_eval("800 = erlang:bit_size(<<1:800>>)."), + S = + "Bin = <<0:16#1000000>>," + "BigBin = list_to_bitstring([Bin||_ <- lists:seq(1,16#10)] ++ [<<1:1>>])," + "16#10000001 = erlang:bit_size(BigBin).", + 16#10000001 = parse_and_eval(S), + %% Only run these on computers with lots of memory + %% HugeBin = list_to_bitstring([BigBin||_ <- lists:seq(1,16#10)]++[<<1:1>>]), + %% 16#100000011 = erlang:bit_size(HugeBin), + 0 = parse_and_eval("0 = erlang:bit_size(<<>>)."), + ok. + +horrid_match() -> + S = "<<1:4,B:24/bitstring>> = <<1:4,42:24/little>>, <<42:24/little>> = B.", + <<42:24/little>> = parse_and_eval(S), + ok. + +test_bitstr() -> + S = + "<<1:7,B/bitstring>> = <<1:7,<<1:1,6>>/bitstring>>," + "<<1:1,6>> = B," + "B = <<1:1,6>>.", + <<1:1,6>> = parse_and_eval(S), + ok. + +asymmetric_tests() -> + <<1:12>> = parse_and_eval("<<1:12>> = <<0,1:4>>."), + <<0,1:4>> = parse_and_eval("<<0,1:4>> = <<1:12>>."), + S1 = + "<<1:1,X/bitstring>> = <<128,255,0,0:2>>," + "<<1,254,0,0:1>> = X," + "X = <<1,254,0,0:1>>.", + <<1,254,0,0:1>> = parse_and_eval(S1), + S2 = + "<<1:1,X1:25/bitstring>> = <<128,255,0,0:2>>," + "<<1,254,0,0:1>> = X1," + "X1 = <<1,254,0,0:1>>.", + <<1,254,0,0:1>> = parse_and_eval(S2), + ok. + +big_asymmetric_tests() -> + <<1:875,1:12>> = parse_and_eval("<<1:875,1:12>> = <<1:875,0,1:4>>."), + <<1:875,0,1:4>> = parse_and_eval("<<1:875,0,1:4>> = <<1:875,1:12>>."), + S1 = + "<<1:1,X/bitstring>> = <<128,255,0,0:2,1:875>>," + "<<1,254,0,0:1,1:875>> = X," + "X = <<1,254,0,0:1,1:875>>.", + <<1,254,0,0:1,1:875>> = parse_and_eval(S1), + S2 = + "<<1:1,X1:900/bitstring>> = <<128,255,0,0:2,1:875>>," + "<<1,254,0,0:1,1:875>> = X1," + "X1 = <<1,254,0,0:1,1:875>>.", + parse_and_eval(S2), + ok. + +binary_to_and_from_list() -> + <<1:7>> = parse_and_eval("list_to_bitstring(bitstring_to_list(<<1:7>>))."), + <<1,2,3,4,1:1>> = parse_and_eval("list_to_bitstring(bitstring_to_list(<<1,2,3,4,1:1>>))."), + [1,2,3,4,<<1:1>>] = parse_and_eval("bitstring_to_list(<<1,2,3,4,1:1>>)."), + <<1:1,1,2,3,4>> = parse_and_eval("list_to_bitstring([<<1:1>>,1,2,3,4])."), + [128,129,1,130,<<0:1>>] = parse_and_eval("bitstring_to_list(<<1:1,1,2,3,4>>)."), + ok. + +big_binary_to_and_from_list() -> + S1 = "erlang:list_to_bitstring(bitstring_to_list(<<1:800,2,3,4,1:1>>)).", + <<1:800,2,3,4,1:1>> = parse_and_eval(S1), + S2 = "erlang:bitstring_to_list(<<1,2,3,4,1:800,1:1>>).", + [1,2,3,4|_Rest1] = parse_and_eval(S2), + S3 = "erlang:list_to_bitstring([<<1:801>>,1,2,3,4]).", + <<1:801,1,2,3,4>> = parse_and_eval(S3), + ok. + +send_and_receive() -> + S = + "Bin = <<1,2:7>>," + "Pid = spawn(fun() -> bs_shell_native:receiver(Bin) end)," + "Pid ! {self(),<<1:7,8:5,Bin/bitstring>>}," + "receive ok -> ok end.", + parse_and_eval(S). + +receiver(Bin) -> + receive + {Pid, <<1:7,8:5,Bin/bitstring>>} -> + Pid ! ok + end. + +send_and_receive_alot() -> + S = + "Bin = <<1:1000001>>," + "Pid = spawn(fun() -> bs_shell_native:receiver_alot(Bin) end)," + "bs_shell_native:send_alot(100,Bin,Pid).", + parse_and_eval(S). + +send_alot(N,Bin,Pid) when N > 0 -> + Pid ! {self(),<<1:7,8:5,Bin/bitstring>>}, + receive + ok -> + ok + end, + send_alot(N-1,Bin,Pid); +send_alot(0,_Bin,Pid) -> + Pid ! no_more, + ok. + +receiver_alot(Bin) -> + receive + {Pid, <<1:7,8:5,Bin/bitstring>>} -> + Pid ! ok; + no_more -> ok + end, + receiver_alot(Bin). + +%%-------------------------------------------------------------------- + +eval_bin_comp_in_shell() -> + ok = byte_aligned(), + ok = bit_aligned(), + ok = extended_byte_aligned(), + ok = extended_bit_aligned(), + ok = mixed(), + ok. + +byte_aligned() -> + <<"abcdefg">> = + parse_and_eval("<<\"abcdefg\">> = << <<(X+32)>> || <<X>> <= <<\"ABCDEFG\">> >>."), + <<1:32/little,2:32/little,3:32/little,4:32/little>> = + parse_and_eval("<<1:32/little,2:32/little,3:32/little,4:32/little>> = + << <<X:32/little>> || <<X:32>> <= <<1:32,2:32,3:32,4:32>> >>."), + <<1:32/little,2:32/little,3:32/little,4:32/little>> = + parse_and_eval("<<1:32/little,2:32/little,3:32/little,4:32/little>> = + << <<X:32/little>> || <<X:16>> <= <<1:16,2:16,3:16,4:16>> >>."), + ok. + +bit_aligned() -> + <<$a:7,$b:7,$c:7,$d:7,$e:7,$f:7,$g:7>> = + parse_and_eval("<<$a:7,$b:7,$c:7,$d:7,$e:7,$f:7,$g:7>> = + << <<(X+32):7>> || <<X>> <= <<\"ABCDEFG\">> >>."), + <<"ABCDEFG">> = + parse_and_eval("<<\"ABCDEFG\">> = + << <<(X-32)>> || <<X:7>> <= <<$a:7,$b:7,$c:7,$d:7,$e:7,$f:7,$g:7>> >>."), + <<1:31/little,2:31/little,3:31/little,4:31/little>> = + parse_and_eval("<<1:31/little,2:31/little,3:31/little,4:31/little>> = + << <<X:31/little>> || <<X:31>> <= <<1:31,2:31,3:31,4:31>> >>."), + <<1:31/little,2:31/little,3:31/little,4:31/little>> = + parse_and_eval("<<1:31/little,2:31/little,3:31/little,4:31/little>> = + << <<X:31/little>> || <<X:15>> <= <<1:15,2:15,3:15,4:15>> >>."), + ok. + +extended_byte_aligned() -> + <<"abcdefg">> = + parse_and_eval("<<\"abcdefg\">> = << <<(X+32)>> || X <- \"ABCDEFG\" >>."), + "abcdefg" = + parse_and_eval("\"abcdefg\" = [(X+32) || <<X>> <= <<\"ABCDEFG\">>]."), + <<1:32/little,2:32/little,3:32/little,4:32/little>> = + parse_and_eval("<<1:32/little,2:32/little,3:32/little,4:32/little>> = + << <<X:32/little>> || X <- [1,2,3,4] >>."), + [256,512,768,1024] = + parse_and_eval("[256,512,768,1024] = + [X || <<X:16/little>> <= <<1:16,2:16,3:16,4:16>>]."), + ok. + +extended_bit_aligned() -> + <<$a:7,$b:7,$c:7,$d:7,$e:7,$f:7,$g:7>> = + parse_and_eval("<<$a:7,$b:7,$c:7,$d:7,$e:7,$f:7,$g:7>> = + << <<(X+32):7>> || X <- \"ABCDEFG\" >>."), + "ABCDEFG" = + parse_and_eval("\"ABCDEFG\" = [(X-32) || <<X:7>> <= +<<$a:7,$b:7,$c:7,$d:7,$e:7,$f:7,$g:7>>]."), + <<1:31/little,2:31/little,3:31/little,4:31/little>> = + parse_and_eval("<<1:31/little,2:31/little,3:31/little,4:31/little>> = + << <<X:31/little>> || X <- [1,2,3,4] >>."), + [256,512,768,1024] = + parse_and_eval("[256,512,768,1024] = + [X || <<X:15/little>> <= <<1:15,2:15,3:15,4:15>>]."), + ok. + +mixed() -> + <<2,3,3,4,4,5,5,6>> = + parse_and_eval("<<2,3,3,4,4,5,5,6>> = + << <<(X+Y)>> || <<X>> <= <<1,2,3,4>>, <<Y>> <= <<1,2>> >>."), + <<2,3,3,4,4,5,5,6>> = + parse_and_eval("<<2,3,3,4,4,5,5,6>> = + << <<(X+Y)>> || <<X>> <= <<1,2,3,4>>, Y <- [1,2] >>."), + <<2,3,3,4,4,5,5,6>> = + parse_and_eval("<<2,3,3,4,4,5,5,6>> = + << <<(X+Y)>> || X <- [1,2,3,4], Y <- [1,2] >>."), + [2,3,3,4,4,5,5,6] = + parse_and_eval("[2,3,3,4,4,5,5,6] = + [(X+Y) || <<X>> <= <<1,2,3,4>>, <<Y>> <= <<1,2>>]."), + [2,3,3,4,4,5,5,6] = + parse_and_eval("[2,3,3,4,4,5,5,6] = + [(X+Y) || <<X>> <= <<1,2,3,4>>, Y <- [1,2]]."), + <<2:3,3:3,3:3,4:3,4:3,5:3,5:3,6:3>> = + parse_and_eval("<<2:3,3:3,3:3,4:3,4:3,5:3,5:3,6:3>> = + << <<(X+Y):3>> || <<X:3>> <= <<1:3,2:3,3:3,4:3>>, <<Y:3>> <= <<1:3,2:3>> >>."), + <<2:3,3:3,3:3,4:3,4:3,5:3,5:3,6:3>> = + parse_and_eval("<<2:3,3:3,3:3,4:3,4:3,5:3,5:3,6:3>> = + << <<(X+Y):3>> || <<X:3>> <= <<1:3,2:3,3:3,4:3>>, Y <- [1,2] >>."), + <<2:3,3:3,3:3,4:3,4:3,5:3,5:3,6:3>> = + parse_and_eval("<<2:3,3:3,3:3,4:3,4:3,5:3,5:3,6:3>> = + << <<(X+Y):3>> || X <- [1,2,3,4], Y <- [1,2] >>."), + [2,3,3,4,4,5,5,6] = + parse_and_eval("[2,3,3,4,4,5,5,6] = + [(X+Y) || <<X:3>> <= <<1:3,2:3,3:3,4:3>>, <<Y:3>> <= <<1:3,2:3>>]."), + [2,3,3,4,4,5,5,6] = + parse_and_eval("[2,3,3,4,4,5,5,6] = + [(X+Y) || <<X:3>> <= <<1:3,2:3,3:3,4:3>>, Y <- [1,2]]."), + ok. |