The R13B03 release.OTP_R13B03

1 files changed, 155 insertions, 0 deletions

diff --git a/lib/compiler/test/bs_bit_binaries_SUITE.erl b/lib/compiler/test/bs_bit_binaries_SUITE.erl
new file mode 100644
index 0000000000..6337460b13
--- /dev/null
+++ b/lib/compiler/test/bs_bit_binaries_SUITE.erl
@@ -0,0 +1,155 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2006-2009. All Rights Reserved.
+%% 
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+%%
+%% Originally based on Per Gustafsson's test suite.
+%%
+
+-module(bs_bit_binaries_SUITE).
+
+-export([all/1,
+	 misc/1,horrid_match/1,test_bitstr/1,test_bit_size/1,asymmetric_tests/1,
+	 big_asymmetric_tests/1,binary_to_and_from_list/1,
+	 big_binary_to_and_from_list/1,send_and_receive/1,
+	 send_and_receive_alot/1]).
+
+-include("test_server.hrl").
+
+all(suite) ->
+    test_lib:recompile(?MODULE),
+    [misc,horrid_match,test_bitstr,test_bit_size,asymmetric_tests,
+     big_asymmetric_tests,binary_to_and_from_list,big_binary_to_and_from_list,
+     send_and_receive,send_and_receive_alot].
+
+misc(Config) when is_list(Config) ->
+    ?line <<1:100>> = <<1:100>>,
+    ?line {ok,ok} = {match(7),match(9)},
+    ?line {ok,ok} = {match1(15),match1(31)},
+    ok.
+
+
+match(N) ->
+  <<0:N>> = <<0:N>>,
+  ok.
+
+match1(N) ->
+  <<42:N/little>> = <<42:N/little>>,
+  ok.
+
+test_bit_size(Config) when is_list(Config) ->
+    ?line 101 = erlang:bit_size(<<1:101>>),
+    ?line 1001 = erlang:bit_size(<<1:1001>>),
+    ?line 1001 = erlang:bit_size(<<-10:1001>>),
+    ?line 80 = erlang:bit_size(<<1:80>>),
+    ?line 800 = erlang:bit_size(<<1:800>>),
+    ?line Bin = <<0:16#1000000>>,
+    ?line BigBin = list_to_bitstring([Bin||_ <- lists:seq(1,16#10)]++[<<1:1>>]),
+    ?line 16#10000001 = erlang:bit_size(BigBin),
+    %% 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), 
+    ?line 0 = erlang:bit_size(<<>>),
+    ok.
+
+horrid_match(Config) when is_list(Config) ->
+    ?line <<1:4,B:24/bitstring>> = <<1:4,42:24/little>>,
+    ?line <<42:24/little>> = B, 
+    ok.
+			 
+test_bitstr(Config) when is_list(Config) ->
+    ?line <<1:7,B/bitstring>> = <<1:7,<<1:1,6>>/bitstring>>,
+    ?line <<1:1,6>> = B,
+    ?line B = <<1:1,6>>,
+  ok.
+		      
+asymmetric_tests(Config) when is_list(Config) ->
+    ?line <<1:12>> = <<0,1:4>>,
+    ?line <<0,1:4>> = <<1:12>>,
+    ?line <<1:1,X/bitstring>> = <<128,255,0,0:2>>,
+    ?line <<1,254,0,0:1>> = X,
+    ?line X = <<1,254,0,0:1>>,
+    ?line <<1:1,X1:25/bitstring>> = <<128,255,0,0:2>>,
+    ?line <<1,254,0,0:1>> = X1,
+    ?line X1 = <<1,254,0,0:1>>,
+    ok.
+
+big_asymmetric_tests(Config) when is_list(Config) ->
+    ?line <<1:875,1:12>> = <<1:875,0,1:4>>,
+    ?line <<1:875,0,1:4>> = <<1:875,1:12>>,
+    ?line <<1:1,X/bitstring>> = <<128,255,0,0:2,1:875>>,
+    ?line <<1,254,0,0:1,1:875>> = X,
+    ?line X = <<1,254,0,0:1,1:875>>,
+    ?line <<1:1,X1:900/bitstring>> = <<128,255,0,0:2,1:875>>,
+    ?line <<1,254,0,0:1,1:875>> = X1,
+    ?line X1 = <<1,254,0,0:1,1:875>>,
+  ok.
+
+binary_to_and_from_list(Config) when is_list(Config) ->
+    ?line <<1,2,3,4,1:1>> = list_to_bitstring(bitstring_to_list(<<1,2,3,4,1:1>>)),
+    ?line [1,2,3,4,<<1:1>>] = bitstring_to_list(<<1,2,3,4,1:1>>),
+    ?line <<1:1,1,2,3,4>> = list_to_bitstring([<<1:1>>,1,2,3,4]),
+    ?line [128,129,1,130,<<0:1>>] = bitstring_to_list(<<1:1,1,2,3,4>>),
+    ok.
+ 
+big_binary_to_and_from_list(Config) when is_list(Config) ->
+    ?line <<1:800,2,3,4,1:1>> =
+	list_to_bitstring(bitstring_to_list(<<1:800,2,3,4,1:1>>)),
+    ?line [1,2,3,4|_Rest1] = bitstring_to_list(<<1,2,3,4,1:800,1:1>>),
+    ?line <<1:801,1,2,3,4>> = list_to_bitstring([<<1:801>>,1,2,3,4]),
+    ok.  
+
+send_and_receive(Config) when is_list(Config) -> 
+    ?line Bin = <<1,2:7>>,
+    Pid = spawn_link(fun() -> receiver(Bin) end),
+    ?line Pid ! {self(),<<1:7,8:5,Bin/bitstring>>},
+    ?line receive
+	      ok ->
+		  ok
+	  end.
+
+receiver(Bin) ->	 
+    receive
+	{Pid,<<1:7,8:5,Bin/bitstring>>} ->
+	    Pid ! ok
+  end.
+	    
+send_and_receive_alot(Config) when is_list(Config) -> 
+    Bin = <<1:1000001>>,
+    Pid = spawn_link(fun() -> receiver_alot(Bin) end),
+    spamalot(100,Bin,Pid).
+
+spamalot(N,Bin,Pid) when N > 0 ->
+    Pid ! {self(),<<1:7,8:5,Bin/bitstring>>},
+    receive
+	ok ->
+	    ok
+    end,
+    spamalot(N-1,Bin,Pid);
+spamalot(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).
+
+
+