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-rw-r--r--lib/compiler/test/guard_SUITE.erl214
1 files changed, 187 insertions, 27 deletions
diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl
index 5ae41f13e7..0e69efba6b 100644
--- a/lib/compiler/test/guard_SUITE.erl
+++ b/lib/compiler/test/guard_SUITE.erl
@@ -1,26 +1,27 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 2001-2011. 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%
%%
-module(guard_SUITE).
--include("test_server.hrl").
+-include_lib("test_server/include/test_server.hrl").
--export([all/1,
+-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
+ init_per_group/2,end_per_group/2,
misc/1,const_cond/1,basic_not/1,complex_not/1,nested_nots/1,
semicolon/1,complex_semicolon/1,comma/1,
or_guard/1,more_or_guards/1,
@@ -31,19 +32,35 @@
t_is_boolean/1,is_function_2/1,
tricky/1,rel_ops/1,literal_type_tests/1,
basic_andalso_orelse/1,traverse_dcd/1,
- check_qlc_hrl/1,andalso_semi/1,tuple_size/1]).
+ check_qlc_hrl/1,andalso_semi/1,t_tuple_size/1,binary_part/1]).
-all(suite) ->
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
test_lib:recompile(?MODULE),
- [misc,const_cond,basic_not,complex_not,nested_nots,
- semicolon,complex_semicolon,
- comma,or_guard,more_or_guards,
- complex_or_guards,and_guard,
- xor_guard,more_xor_guards,
- build_in_guard,old_guard_tests,gbif,
- t_is_boolean,is_function_2,tricky,rel_ops,literal_type_tests,
- basic_andalso_orelse,traverse_dcd,check_qlc_hrl,andalso_semi,
- tuple_size].
+ [misc, const_cond, basic_not, complex_not, nested_nots,
+ semicolon, complex_semicolon, comma, or_guard,
+ more_or_guards, complex_or_guards, and_guard, xor_guard,
+ more_xor_guards, build_in_guard, old_guard_tests, gbif,
+ t_is_boolean, is_function_2, tricky, rel_ops,
+ literal_type_tests, basic_andalso_orelse, traverse_dcd,
+ check_qlc_hrl, andalso_semi, t_tuple_size, binary_part].
+
+groups() ->
+ [].
+
+init_per_suite(Config) ->
+ Config.
+
+end_per_suite(_Config) ->
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
misc(Config) when is_list(Config) ->
?line 42 = case id(42) of
@@ -94,8 +111,8 @@ const_cond(Config) when is_list(Config) ->
const_cond(T, Sz) ->
case T of
_X when false -> never;
- _X when tuple(T), eq == eq, tuple_size(T) == Sz -> ok;
- _X when tuple(T), eq == leq, tuple_size(T) =< Sz -> ok;
+ _X when is_tuple(T), eq == eq, tuple_size(T) == Sz -> ok;
+ _X when is_tuple(T), eq == leq, tuple_size(T) =< Sz -> ok;
_X -> error
end.
@@ -1137,7 +1154,7 @@ make_test([{T,L}|Ts]) ->
make_test([]) -> [].
test(T, L) ->
- S0 = io_lib:format("begin io:format(\"~~p~~n\", [{~p,~p}]), if ~w(~w) -> true; true -> false end end. ", [T,L,T,L]),
+ S0 = io_lib:format("begin io:format(\"~~p~n\", [{~p,~p}]), if ~w(~w) -> true; true -> false end end. ", [T,L,T,L]),
S = lists:flatten(S0),
{ok,Toks,_Line} = erl_scan:string(S),
{ok,E} = erl_parse:parse_exprs(Toks),
@@ -1145,7 +1162,7 @@ test(T, L) ->
{match,0,{atom,0,Val},hd(E)}.
test(T, L1, L2) ->
- S0 = io_lib:format("begin io:format(\"~~p~~n\", [{~p,~p,~p}]), if ~w(~w, ~w) -> true; true -> false end end. ", [T,L1,L2,T,L1,L2]),
+ S0 = io_lib:format("begin io:format(\"~~p~n\", [{~p,~p,~p}]), if ~w(~w, ~w) -> true; true -> false end end. ", [T,L1,L2,T,L1,L2]),
S = lists:flatten(S0),
{ok,Toks,_Line} = erl_scan:string(S),
{ok,E} = erl_parse:parse_exprs(Toks),
@@ -1316,11 +1333,11 @@ cqlc(M, F, As, St) ->
andalso_semi(Config) when is_list(Config) ->
?line ok = andalso_semi_foo(0),
?line ok = andalso_semi_foo(1),
- ?line {'EXIT',{function_clause,_}} = (catch andalso_semi_foo(2)),
+ ?line fc(catch andalso_semi_foo(2)),
?line ok = andalso_semi_bar([a,b,c]),
?line ok = andalso_semi_bar(1),
- ?line {'EXIT',{function_clause,_}} = (catch andalso_semi_bar([a,b])),
+ ?line fc(catch andalso_semi_bar([a,b])),
ok.
andalso_semi_foo(Bar) when is_integer(Bar) andalso Bar =:= 0; Bar =:= 1 ->
@@ -1330,10 +1347,10 @@ andalso_semi_bar(Bar) when is_list(Bar) andalso length(Bar) =:= 3; Bar =:= 1 ->
ok.
-tuple_size(Config) when is_list(Config) ->
+t_tuple_size(Config) when is_list(Config) ->
?line 10 = do_tuple_size({1,2,3,4}),
- ?line {'EXIT',{function_clause,_}} = (catch do_tuple_size({1,2,3})),
- ?line {'EXIT',{function_clause,_}} = (catch do_tuple_size(42)),
+ ?line fc(catch do_tuple_size({1,2,3})),
+ ?line fc(catch do_tuple_size(42)),
?line error = ludicrous_tuple_size({a,b,c}),
?line error = ludicrous_tuple_size([a,b,c]),
@@ -1362,6 +1379,146 @@ ludicrous_tuple_size(T)
when tuple_size(T) =:= 16#FFFFFFFFFFFFFFFF -> ok;
ludicrous_tuple_size(_) -> error.
+%%
+%% The binary_part/2,3 guard BIFs
+%%
+-define(MASK_ERROR(EXPR),mask_error((catch (EXPR)))).
+mask_error({'EXIT',{Err,_}}) ->
+ Err;
+mask_error(Else) ->
+ Else.
+
+binary_part(doc) ->
+ ["Tests the binary_part/2,3 guard (GC) bif's"];
+binary_part(Config) when is_list(Config) ->
+ %% This is more or less a copy of what the guard_SUITE in emulator
+ %% does to cover the guard bif's
+ ?line 1 = bptest(<<1,2,3>>),
+ ?line 2 = bptest(<<2,1,3>>),
+ ?line error = bptest(<<1>>),
+ ?line error = bptest(<<>>),
+ ?line error = bptest(apa),
+ ?line 3 = bptest(<<2,3,3>>),
+ % With one variable (pos)
+ ?line 1 = bptest(<<1,2,3>>,1),
+ ?line 2 = bptest(<<2,1,3>>,1),
+ ?line error = bptest(<<1>>,1),
+ ?line error = bptest(<<>>,1),
+ ?line error = bptest(apa,1),
+ ?line 3 = bptest(<<2,3,3>>,1),
+ % With one variable (length)
+ ?line 1 = bptesty(<<1,2,3>>,1),
+ ?line 2 = bptesty(<<2,1,3>>,1),
+ ?line error = bptesty(<<1>>,1),
+ ?line error = bptesty(<<>>,1),
+ ?line error = bptesty(apa,1),
+ ?line 3 = bptesty(<<2,3,3>>,2),
+ % With one variable (whole tuple)
+ ?line 1 = bptestx(<<1,2,3>>,{1,1}),
+ ?line 2 = bptestx(<<2,1,3>>,{1,1}),
+ ?line error = bptestx(<<1>>,{1,1}),
+ ?line error = bptestx(<<>>,{1,1}),
+ ?line error = bptestx(apa,{1,1}),
+ ?line 3 = bptestx(<<2,3,3>>,{1,2}),
+ % With two variables
+ ?line 1 = bptest(<<1,2,3>>,1,1),
+ ?line 2 = bptest(<<2,1,3>>,1,1),
+ ?line error = bptest(<<1>>,1,1),
+ ?line error = bptest(<<>>,1,1),
+ ?line error = bptest(apa,1,1),
+ ?line 3 = bptest(<<2,3,3>>,1,2),
+ % Direct (autoimported) call, these will be evaluated by the compiler...
+ ?line <<2>> = binary_part(<<1,2,3>>,1,1),
+ ?line <<1>> = binary_part(<<2,1,3>>,1,1),
+ % Compiler warnings due to constant evaluation expected (3)
+ ?line badarg = ?MASK_ERROR(binary_part(<<1>>,1,1)),
+ ?line badarg = ?MASK_ERROR(binary_part(<<>>,1,1)),
+ ?line badarg = ?MASK_ERROR(binary_part(apa,1,1)),
+ ?line <<3,3>> = binary_part(<<2,3,3>>,1,2),
+ % Direct call through apply
+ ?line <<2>> = apply(erlang,binary_part,[<<1,2,3>>,1,1]),
+ ?line <<1>> = apply(erlang,binary_part,[<<2,1,3>>,1,1]),
+ % Compiler warnings due to constant evaluation expected (3)
+ ?line badarg = ?MASK_ERROR(apply(erlang,binary_part,[<<1>>,1,1])),
+ ?line badarg = ?MASK_ERROR(apply(erlang,binary_part,[<<>>,1,1])),
+ ?line badarg = ?MASK_ERROR(apply(erlang,binary_part,[apa,1,1])),
+ ?line <<3,3>> = apply(erlang,binary_part,[<<2,3,3>>,1,2]),
+ % Constant propagation
+ ?line Bin = <<1,2,3>>,
+ ?line ok = if
+ binary_part(Bin,1,1) =:= <<2>> ->
+ ok;
+ %% Compiler warning, clause cannot match (expected)
+ true ->
+ error
+ end,
+ ?line ok = if
+ binary_part(Bin,{1,1}) =:= <<2>> ->
+ ok;
+ %% Compiler warning, clause cannot match (expected)
+ true ->
+ error
+ end,
+ ok.
+
+
+bptest(B) when length(B) =:= 1337 ->
+ 1;
+bptest(B) when binary_part(B,{1,1}) =:= <<2>> ->
+ 1;
+bptest(B) when erlang:binary_part(B,1,1) =:= <<1>> ->
+ 2;
+bptest(B) when erlang:binary_part(B,{1,2}) =:= <<3,3>> ->
+ 3;
+bptest(_) ->
+ error.
+
+bptest(B,A) when length(B) =:= A ->
+ 1;
+bptest(B,A) when binary_part(B,{A,1}) =:= <<2>> ->
+ 1;
+bptest(B,A) when erlang:binary_part(B,A,1) =:= <<1>> ->
+ 2;
+bptest(B,A) when erlang:binary_part(B,{A,2}) =:= <<3,3>> ->
+ 3;
+bptest(_,_) ->
+ error.
+
+bptestx(B,A) when length(B) =:= A ->
+ 1;
+bptestx(B,A) when binary_part(B,A) =:= <<2>> ->
+ 1;
+bptestx(B,A) when erlang:binary_part(B,A) =:= <<1>> ->
+ 2;
+bptestx(B,A) when erlang:binary_part(B,A) =:= <<3,3>> ->
+ 3;
+bptestx(_,_) ->
+ error.
+
+bptesty(B,A) when length(B) =:= A ->
+ 1;
+bptesty(B,A) when binary_part(B,{1,A}) =:= <<2>> ->
+ 1;
+bptesty(B,A) when erlang:binary_part(B,1,A) =:= <<1>> ->
+ 2;
+bptesty(B,A) when erlang:binary_part(B,{1,A}) =:= <<3,3>> ->
+ 3;
+bptesty(_,_) ->
+ error.
+
+bptest(B,A,_C) when length(B) =:= A ->
+ 1;
+bptest(B,A,C) when binary_part(B,{A,C}) =:= <<2>> ->
+ 1;
+bptest(B,A,C) when erlang:binary_part(B,A,C) =:= <<1>> ->
+ 2;
+bptest(B,A,C) when erlang:binary_part(B,{A,C}) =:= <<3,3>> ->
+ 3;
+bptest(_,_,_) ->
+ error.
+
+
+
%% Call this function to turn off constant propagation.
id(I) -> I.
@@ -1374,3 +1531,6 @@ check(F, Result) ->
io:format(" Got: ~p\n", [Other]),
test_server:fail()
end.
+
+fc({'EXIT',{function_clause,_}}) -> ok;
+fc({'EXIT',{{case_clause,_},_}}) when ?MODULE =:= guard_inline_SUITE -> ok.