aboutsummaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/stdlib/src/binary.erl2
-rw-r--r--lib/stdlib/test/binary_module_SUITE.erl84
-rw-r--r--lib/stdlib/test/binref.erl2
3 files changed, 83 insertions, 5 deletions
diff --git a/lib/stdlib/src/binary.erl b/lib/stdlib/src/binary.erl
index 61b7aacf49..0a66559602 100644
--- a/lib/stdlib/src/binary.erl
+++ b/lib/stdlib/src/binary.erl
@@ -31,9 +31,9 @@
%% binary:bin_to_list/{1,2,3}
%% binary:list_to_bin/1
%% binary:copy/{1,2}
-%% - Not yet:
%% binary:referenced_byte_size/1
%% binary:decode_unsigned/{1,2}
+%% - Not yet:
%%
%% Implemented in this module:
-export([split/2,split/3,replace/3,replace/4]).
diff --git a/lib/stdlib/test/binary_module_SUITE.erl b/lib/stdlib/test/binary_module_SUITE.erl
index 9126d25e48..c51c70cfa8 100644
--- a/lib/stdlib/test/binary_module_SUITE.erl
+++ b/lib/stdlib/test/binary_module_SUITE.erl
@@ -2,9 +2,13 @@
-export([all/1, interesting/1,random_ref_comp/1,random_ref_sr_comp/1,
random_ref_fla_comp/1,parts/1, bin_to_list/1, list_to_bin/1,
- copy/1, referenced/1]).
+ copy/1, referenced/1,encode_decode/1]).
--define(STANDALONE,1).
+-export([random_number/1, make_unaligned/1]).
+
+
+
+%%-define(STANDALONE,1).
-ifdef(STANDALONE).
@@ -28,7 +32,7 @@ run() ->
all(suite) -> [interesting,random_ref_fla_comp,random_ref_sr_comp,
random_ref_comp,parts,bin_to_list, list_to_bin, copy,
- referenced].
+ referenced,encode_decode].
-define(MASK_ERROR(EXPR),mask_error((catch (EXPR)))).
@@ -291,8 +295,72 @@ do_interesting(Module) ->
?line badarg = ?MASK_ERROR(Module:bin_to_list(<<1,2,3>>,3,-4)),
?line [1,2,3] = ?MASK_ERROR(Module:bin_to_list(<<1,2,3>>,3,-3)),
+ ?line badarg = ?MASK_ERROR(Module:decode_unsigned(<<1,2,1:2>>,big)),
+ ?line badarg = ?MASK_ERROR(Module:decode_unsigned(<<1,2,1:2>>,little)),
+ ?line badarg = ?MASK_ERROR(Module:decode_unsigned(apa)),
+ ?line badarg = ?MASK_ERROR(Module:decode_unsigned(125,little)),
+ ?line 0 = ?MASK_ERROR(Module:decode_unsigned(<<>>,little)),
+ ?line 0 = ?MASK_ERROR(Module:decode_unsigned(<<>>,big)),
+ ?line 0 = ?MASK_ERROR(Module:decode_unsigned(<<0>>,little)),
+ ?line 0 = ?MASK_ERROR(Module:decode_unsigned(<<0>>,big)),
+ ?line 0 = ?MASK_ERROR(Module:decode_unsigned(make_unaligned(<<0>>),
+ little)),
+ ?line 0 = ?MASK_ERROR(Module:decode_unsigned(make_unaligned(<<0>>),big)),
+ ?line badarg = ?MASK_ERROR(Module:encode_unsigned(apa)),
+ ?line badarg = ?MASK_ERROR(Module:encode_unsigned(125.3,little)),
+ ?line badarg = ?MASK_ERROR(Module:encode_unsigned({1},little)),
+ ?line badarg = ?MASK_ERROR(Module:encode_unsigned([1],little)),
+ ?line <<0>> = ?MASK_ERROR(Module:encode_unsigned(0,little)),
+ ?line <<0>> = ?MASK_ERROR(Module:encode_unsigned(0,big)),
ok.
+
+encode_decode(doc) ->
+ ["test binary:encode_unsigned/1,2 and binary:decode_unsigned/1,2"];
+encode_decode(Config) when is_list(Config) ->
+ ?line random:seed({1271,769940,559934}),
+ ?line ok = encode_decode_loop({1,100},1000),
+ ok.
+
+encode_decode_loop(_Range,0) ->
+ ok;
+encode_decode_loop(Range, X) ->
+ ?line N = random_number(Range),
+ ?line A = binary:encode_unsigned(N),
+ ?line B = binary:encode_unsigned(N,big),
+ ?line C = binref:encode_unsigned(N),
+ ?line D = binref:encode_unsigned(N,big),
+ ?line E = binary:encode_unsigned(N,little),
+ ?line F = binref:encode_unsigned(N,little),
+ ?line G = binary:decode_unsigned(A),
+ ?line H = binary:decode_unsigned(A,big),
+ ?line I = binref:decode_unsigned(A),
+ ?line J = binary:decode_unsigned(E,little),
+ ?line K = binref:decode_unsigned(E,little),
+ ?line L = binary:decode_unsigned(make_unaligned(A)),
+ ?line M = binary:decode_unsigned(make_unaligned(E),little),
+ ?line PaddedBig = <<0:48,A/binary>>,
+ ?line PaddedLittle = <<E/binary,0:48>>,
+ ?line O = binary:decode_unsigned(PaddedBig),
+ ?line P = binary:decode_unsigned(make_unaligned(PaddedBig)),
+ ?line Q = binary:decode_unsigned(PaddedLittle,little),
+ ?line R = binary:decode_unsigned(make_unaligned(PaddedLittle),little),
+ ?line S = binref:decode_unsigned(PaddedLittle,little),
+ ?line T = binref:decode_unsigned(PaddedBig),
+ case (((A =:= B) and (B =:= C) and (C =:= D)) and
+ ((E =:= F)) and
+ ((N =:= G) and (G =:= H) and (H =:= I) and
+ (I =:= J) and (J =:= K) and (K =:= L) and (L =:= M)) and
+ ((M =:= O) and (O =:= P) and (P =:= Q) and (Q =:= R) and
+ (R =:= S) and (S =:= T)))of
+ true ->
+ encode_decode_loop(Range,X-1);
+ _ ->
+ io:format("Failed to encode/decode ~w~n(Results ~p)~n",
+ [N,[A,B,C,D,E,F,G,H,I,J,K,L,M,x,O,P,Q,R,S,T]]),
+ exit(mismatch)
+ end.
+
referenced(doc) ->
["Test refernced_byte_size/1 bif."];
referenced(Config) when is_list(Config) ->
@@ -837,6 +905,10 @@ do_replace_comp(N,H,R,Opts) ->
exit(mismatch)
end.
+one_random_number(N) ->
+ M = ((N - 1) rem 10) + 1,
+ element(M,{$0,$1,$2,$3,$4,$5,$6,$7,$8,$9}).
+
one_random(N) ->
M = ((N - 1) rem 68) + 1,
element(M,{$a,$b,$c,$d,$e,$f,$g,$h,$i,$j,$k,$l,$m,$n,$o,$p,$q,$r,$s,$t,
@@ -844,6 +916,12 @@ one_random(N) ->
$I,$J,$K,$L,$M,$N,$O,$P,$Q,$R,$S,$T,$U,$V,$W,$X,$Y,$Z,$�,
$�,$�,$0,$1,$2,$3,$4,$5,$6,$7,$8,$9}).
+random_number({Min,Max}) -> % Min and Max are *length* of number in
+ % decimal positions
+ X = random:uniform(Max - Min + 1) + Min - 1,
+ list_to_integer([one_random_number(random:uniform(10)) || _ <- lists:seq(1,X)]).
+
+
random_length({Min,Max}) ->
random:uniform(Max - Min + 1) + Min - 1.
random_string({Min,Max}) ->
diff --git a/lib/stdlib/test/binref.erl b/lib/stdlib/test/binref.erl
index 2322d036a2..af79c8fa09 100644
--- a/lib/stdlib/test/binref.erl
+++ b/lib/stdlib/test/binref.erl
@@ -517,7 +517,7 @@ decode_unsigned(Subject) ->
decode_unsigned(Subject,Endian) ->
try
- true = is_binary(Subject) and (byte_size(Subject) > 0),
+ true = is_binary(Subject),
case Endian of
big ->
do_decode(Subject,0);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 06:32:37 +0000