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-rw-r--r--lib/compiler/test/guard_SUITE.erl290
1 files changed, 282 insertions, 8 deletions
diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl
index 429d6b79e0..a662d85272 100644
--- a/lib/compiler/test/guard_SUITE.erl
+++ b/lib/compiler/test/guard_SUITE.erl
@@ -35,7 +35,7 @@
basic_andalso_orelse/1,traverse_dcd/1,
check_qlc_hrl/1,andalso_semi/1,t_tuple_size/1,binary_part/1,
bad_constants/1,bad_guards/1,
- guard_in_catch/1]).
+ guard_in_catch/1,beam_bool_SUITE/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -54,7 +54,7 @@ groups() ->
rel_ops,rel_op_combinations,
literal_type_tests,basic_andalso_orelse,traverse_dcd,
check_qlc_hrl,andalso_semi,t_tuple_size,binary_part,
- bad_constants,bad_guards,guard_in_catch]}].
+ bad_constants,bad_guards,guard_in_catch,beam_bool_SUITE]}].
init_per_suite(Config) ->
Config.
@@ -88,8 +88,31 @@ misc(Config) when is_list(Config) ->
{ok,buf,<<>>} = get_data({o,false,0}, 0, buf),
error = get_data({o,false,0}, 42, buf),
+ relief = misc_2(0),
+ error = misc_2(1),
+ error = misc_2(true),
+
+ if
+ is_integer(Config) =/= true ->
+ ok
+ end,
+
+ true = misc_3(1, 0),
+ true = misc_3(0, 0),
+ false = misc_3(0, 2),
+
+ %% Abuse of boolean values.
+
+ Zero = id(0),
+ One = id(1),
+ ok = if (Zero == 0) > false -> ok end,
+ ok = if (Zero == 0) =:= (One == 1) -> ok end,
+ ok = if (Zero == 0) =:= (One == 1) -> ok end,
+ ok = if is_atom(Zero > One) -> ok end,
+ error = if abs(Zero > One) -> ok; true -> error end,
+ ok = if is_integer(Zero) >= is_integer(One) -> ok end,
+
ok.
-
misc_1([{W},{X},{Y},{Z}]) ->
if
@@ -99,6 +122,17 @@ misc_1([{W},{X},{Y},{Z}]) ->
none
end.
+misc_2(0) -> relief;
+misc_2(Adapter = 1) when Adapter -> franklin;
+misc_2(_) -> error.
+
+misc_3(LenUp, LenDw) ->
+ if
+ %% Cover handling of #k_alt{}.
+ LenUp >= 1 orelse ((LenDw >= 2) xor true) -> true;
+ true -> false
+ end.
+
get_data({o,Active,Raw}, BytesToRead, Buffer)
when Raw =:= raw; Raw =:= 0 ->
if
@@ -164,6 +198,12 @@ basic_not(Config) when is_list(Config) ->
check(fun() -> if not glurf -> ok; true -> error end end, error),
check(fun() -> if not Glurf -> ok; true -> error end end, error),
+ check(fun() -> if not (not true) -> broken end end, broken),
+
+ check(fun() -> if not (True xor True) -> ok end end, ok),
+ check(fun() -> if not (True xor False) -> ok;
+ true -> error end end, error),
+
ok.
complex_not(Config) when is_list(Config) ->
@@ -188,8 +228,60 @@ complex_not(Config) when is_list(Config) ->
check(fun() -> if not(element(1, ATuple) orelse element(3, ATuple)) -> ok;
true -> error end end, error),
+ %% complex_not_1/4
+ ok = complex_not_1(1, 1, 1, a),
+ error = complex_not_1(1, 1, 1, []),
+ error = complex_not_1(1, 1, 3, a),
+ error = complex_not_1(1, 1, 3, []),
+ error = complex_not_1(1, 2, 1, a),
+ error = complex_not_1(1, 2, 1, []),
+ error = complex_not_1(1, 2, 3, a),
+ error = complex_not_1(1, 2, 3, []),
+
+ %% complex_not_2/4
+ ok = complex_not_2(1, 2, 0, x),
+ error = complex_not_2(1, 2, 0, []),
+ error = complex_not_2(1, 2, 3, x),
+ error = complex_not_2(1, 2, 3, []),
+ error = complex_not_2(1, 1, 0, x),
+ error = complex_not_2(1, 1, 0, []),
+ error = complex_not_2(1, 1, 3, x),
+ error = complex_not_2(1, 1, 3, []),
+
ok.
+complex_not_1(A, B, C, D) ->
+ Res = complex_not_1a(A, B, C, D),
+ Res = complex_not_1b(A, B, C, D).
+
+complex_not_1a(A, B, C, D)
+ when (not (A < B)) andalso (not (B < C)) andalso (not is_list(D)) ->
+ ok;
+complex_not_1a(_, _, _, _) ->
+ error.
+
+complex_not_1b(A, B, C, D)
+ when (not (A < B)) and (not (B < C)) and (not is_list(D)) ->
+ ok;
+complex_not_1b(_, _, _, _) ->
+ error.
+
+complex_not_2(A, B, C, D) ->
+ Res = complex_not_2a(A, B, C, D),
+ Res = complex_not_2b(A, B, C, D).
+
+complex_not_2a(A, B, C, D)
+ when A < B andalso not (B < C) andalso not is_list(D) ->
+ ok;
+complex_not_2a(_, _, _, _) ->
+ error.
+
+complex_not_2b(A, B, C, D)
+ when A < B, not (B < C), not is_list(D) ->
+ ok;
+complex_not_2b(_, _, _, _) ->
+ error.
+
nested_nots(Config) when is_list(Config) ->
true = nested_not_1(0, 0),
true = nested_not_1(0, 1),
@@ -210,19 +302,36 @@ nested_nots(Config) when is_list(Config) ->
false = nested_not_2(true, true, atom),
ok.
-nested_not_1(X, Y) when not (((X>Y) or not(is_atom(X))) and
+nested_not_1(X, Y) ->
+ Res = nested_not_1a(X, Y),
+ Res = nested_not_1b(X, Y).
+
+nested_not_1a(X, Y) when not (((X>Y) or not(is_atom(X))) and
(is_atom(Y) or (X==3.4))) ->
true;
-nested_not_1(_, _) ->
+nested_not_1a(_, _) ->
+ false.
+
+nested_not_1b(X, Y) when not (((X>Y) orelse not(is_atom(X))) andalso
+ (is_atom(Y) orelse (X==3.4))) ->
+ true;
+nested_not_1b(_, _) ->
false.
nested_not_2(X, Y, Z) ->
- nested_not_2(X, Y, Z, true).
+ Res = nested_not_2a(X, Y, Z, true),
+ Res = nested_not_2b(X, Y, Z, true).
-nested_not_2(X, Y, Z, True)
+nested_not_2a(X, Y, Z, True)
when not(True and not((not(X) and not(Y)) or not(is_atom(Z)))) ->
true;
-nested_not_2(_, _, _, _) ->
+nested_not_2a(_, _, _, _) ->
+ false.
+
+nested_not_2b(X, Y, Z, True)
+ when not(True andalso not((not(X) andalso not(Y)) orelse not(is_atom(Z)))) ->
+ true;
+nested_not_2b(_, _, _, _) ->
false.
semicolon(Config) when is_list(Config) ->
@@ -1094,6 +1203,13 @@ tricky(Config) when is_list(Config) ->
false = rb(100000, [1], 42),
true = rb(100000, [], 42),
true = rb(555, [a,b,c], 19),
+
+ error = tricky_3(42),
+ error = tricky_3(42.0),
+ error = tricky_3(<<>>),
+ error = tricky_3(#{}),
+ error = tricky_3({a,b}),
+
ok.
tricky_1(X, Y) when abs((X == 1) or (Y == 2)) -> ok;
@@ -1102,6 +1218,15 @@ tricky_1(_, _) -> not_ok.
tricky_2(X) when float(X) or float(X) -> ok;
tricky_2(_) -> error.
+tricky_3(X)
+ when abs(X) or bit_size(X) or byte_size(X) or ceil(X) or
+ float(X) or floor(X) or length(X) or
+ map_size(X) or node() or node(X) or round(X) or
+ self() or size(X) or tl(X) or trunc(X) or tuple_size(X) ->
+ ok;
+tricky_3(_) ->
+ error.
+
%% From dets_v9:read_buckets/11, simplified.
rb(Size, ToRead, SoFar) when SoFar + Size < 81920; ToRead == [] -> true;
@@ -1925,6 +2050,155 @@ do_guard_in_catch_bin(From) ->
saint
end.
+%%%
+%%% The beam_bool pass has been eliminated. Here are the tests from
+%%% beam_bool_SUITE.
+%%%
+
+beam_bool_SUITE(_Config) ->
+ before_and_inside_if(),
+ scotland(),
+ y_registers(),
+ protected(),
+ maps(),
+ ok.
+
+before_and_inside_if() ->
+ no = before_and_inside_if([a], [b], delete),
+ no = before_and_inside_if([a], [b], x),
+ no = before_and_inside_if([a], [], delete),
+ no = before_and_inside_if([a], [], x),
+ no = before_and_inside_if([], [], delete),
+ yes = before_and_inside_if([], [], x),
+ yes = before_and_inside_if([], [b], delete),
+ yes = before_and_inside_if([], [b], x),
+
+ {ch1,ch2} = before_and_inside_if_2([a], [b], blah),
+ {ch1,ch2} = before_and_inside_if_2([a], [b], xx),
+ {ch1,ch2} = before_and_inside_if_2([a], [], blah),
+ {ch1,ch2} = before_and_inside_if_2([a], [], xx),
+ {no,no} = before_and_inside_if_2([], [b], blah),
+ {no,no} = before_and_inside_if_2([], [b], xx),
+ {ch1,no} = before_and_inside_if_2([], [], blah),
+ {no,ch2} = before_and_inside_if_2([], [], xx),
+ ok.
+
+%% Thanks to Simon Cornish and Kostis Sagonas.
+%% Used to crash beam_bool.
+before_and_inside_if(XDo1, XDo2, Do3) ->
+ Do1 = (XDo1 =/= []),
+ Do2 = (XDo2 =/= []),
+ if
+ %% This expression occurs in a try/catch (protected)
+ %% block, which cannot refer to variables outside of
+ %% the block that are boolean expressions.
+ Do1 =:= true;
+ Do1 =:= false, Do2 =:= false, Do3 =:= delete ->
+ no;
+ true ->
+ yes
+ end.
+
+%% Thanks to Simon Cornish.
+%% Used to generate code that would not set {y,0} on
+%% all paths before its use (and therefore fail
+%% validation by the beam_validator).
+before_and_inside_if_2(XDo1, XDo2, Do3) ->
+ Do1 = (XDo1 =/= []),
+ Do2 = (XDo2 =/= []),
+ CH1 = if Do1 == true;
+ Do1 == false,Do2==false,Do3 == blah ->
+ ch1;
+ true ->
+ no
+ end,
+ CH2 = if Do1 == true;
+ Do1 == false,Do2==false,Do3 == xx ->
+ ch2;
+ true ->
+ no
+ end,
+ {CH1,CH2}.
+
+
+%% beam_bool would remove the initialization of {y,0}.
+%% (Thanks to Thomas Arts and QuickCheck.)
+
+scotland() ->
+ million = do_scotland(placed),
+ {'EXIT',{{badmatch,placed},_}} = (catch do_scotland(false)),
+ {'EXIT',{{badmatch,placed},_}} = (catch do_scotland(true)),
+ {'EXIT',{{badmatch,placed},_}} = (catch do_scotland(echo)),
+ ok.
+
+do_scotland(Echo) ->
+ found(case Echo of
+ Echo when true; Echo, Echo, Echo ->
+ Echo;
+ echo ->
+ []
+ end,
+ Echo = placed).
+
+found(_, _) -> million.
+
+
+%% ERL-143: beam_bool could not handle Y registers as a destination.
+y_registers() ->
+ {'EXIT',{badarith,[_|_]}} = (catch baker(valentine)),
+ {'EXIT',{badarith,[_|_]}} = (catch baker(clementine)),
+
+ {not_ok,true} = potter([]),
+ {ok,false} = potter([{encoding,any}]),
+
+ ok.
+
+%% Thanks to Quickcheck.
+baker(Baker) ->
+ (valentine == Baker) +
+ case Baker of
+ Baker when Baker; Baker ->
+ Baker;
+ Baker ->
+ []
+ end.
+
+%% Thanks to Jose Valim.
+potter(Modes) ->
+ Raw = lists:keyfind(encoding, 1, Modes) == false,
+ Final = case Raw of
+ X when X == false; X == nil -> ok;
+ _ -> not_ok
+ end,
+ {Final,Raw}.
+
+protected() ->
+ {'EXIT',{if_clause,_}} = (catch photographs({1, surprise, true}, opinions)),
+
+ {{true}} = welcome({perfect, true}),
+ {'EXIT',{if_clause,_}} = (catch welcome({perfect, false})),
+ ok.
+
+photographs({_Violation, surprise, Deep}, opinions) ->
+ {if
+ 0; "here", Deep ->
+ Deep = Deep
+ end}.
+
+welcome({perfect, Profit}) ->
+ if
+ Profit, Profit, Profit; 0 ->
+ {id({Profit})}
+ end.
+
+maps() ->
+ ok = evidence(#{0 => 42}).
+
+%% Cover handling of put_map in in split_block_label_used/2.
+evidence(#{0 := Charge}) when 0; #{[] => Charge} == #{[] => 42} ->
+ ok.
+
+
%% Call this function to turn off constant propagation.
id(I) -> I.