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-rw-r--r--lib/compiler/test/bs_match_SUITE.erl33
-rw-r--r--lib/compiler/test/map_SUITE.erl46
2 files changed, 76 insertions, 3 deletions
diff --git a/lib/compiler/test/bs_match_SUITE.erl b/lib/compiler/test/bs_match_SUITE.erl
index e737839575..7814738449 100644
--- a/lib/compiler/test/bs_match_SUITE.erl
+++ b/lib/compiler/test/bs_match_SUITE.erl
@@ -40,7 +40,7 @@
map_and_binary/1,unsafe_branch_caching/1,
bad_literals/1,good_literals/1,constant_propagation/1,
parse_xml/1,get_payload/1,escape/1,num_slots_different/1,
- beam_bsm/1,guard/1,is_ascii/1,non_opt_eq/1]).
+ beam_bsm/1,guard/1,is_ascii/1,non_opt_eq/1,erl_689/1]).
-export([coverage_id/1,coverage_external_ignore/2]).
@@ -72,7 +72,7 @@ groups() ->
map_and_binary,unsafe_branch_caching,
bad_literals,good_literals,constant_propagation,parse_xml,
get_payload,escape,num_slots_different,
- beam_bsm,guard,is_ascii,non_opt_eq]}].
+ beam_bsm,guard,is_ascii,non_opt_eq,erl_689]}].
init_per_suite(Config) ->
@@ -1688,6 +1688,35 @@ non_opt_eq([_|_], <<_,_/binary>>) ->
non_opt_eq([], <<>>) ->
true.
+%% ERL-689
+
+erl_689(Config) ->
+ {{0, 0, 0}, <<>>} = do_erl_689_1(<<0>>, ?MODULE),
+ {{2018, 8, 7}, <<>>} = do_erl_689_1(<<4,2018:16/little,8,7>>, ?MODULE),
+ {{0, 0, 0}, <<>>} = do_erl_689_2(?MODULE, <<0>>),
+ {{2018, 8, 7}, <<>>} = do_erl_689_2(?MODULE, <<4,2018:16/little,8,7>>),
+ ok.
+
+do_erl_689_1(<<Length, Data/binary>>, _) ->
+ case {Data, Length} of
+ {_, 0} ->
+ %% bs_context_to_binary would incorrectly set Data to the original
+ %% binary (before matching in the function head).
+ {{0, 0, 0}, Data};
+ {<<Y:16/little, M, D, Rest/binary>>, 4} ->
+ {{Y, M, D}, Rest}
+ end.
+
+do_erl_689_2(_, <<Length, Data/binary>>) ->
+ case {Length, Data} of
+ {0, _} ->
+ %% bs_context_to_binary would incorrectly set Data to the original
+ %% binary (before matching in the function head).
+ {{0, 0, 0}, Data};
+ {4, <<Y:16/little, M, D, Rest/binary>>} ->
+ {{Y, M, D}, Rest}
+ end.
+
check(F, R) ->
R = F().
diff --git a/lib/compiler/test/map_SUITE.erl b/lib/compiler/test/map_SUITE.erl
index 9182c1b5ed..c004dca834 100644
--- a/lib/compiler/test/map_SUITE.erl
+++ b/lib/compiler/test/map_SUITE.erl
@@ -1212,10 +1212,25 @@ t_guard_bifs(Config) when is_list(Config) ->
true = map_guard_empty_2(),
true = map_guard_head(#{a=>1}),
false = map_guard_head([]),
+
true = map_get_head(#{a=>1}),
+ false = map_get_head(#{}),
+ false = map_get_head([]),
+
+ true = map_get_head_not(#{a=>false}),
+ false = map_get_head_not(#{a=>true}),
+ false = map_get_head(#{}),
false = map_get_head([]),
+
true = map_is_key_head(#{a=>1}),
false = map_is_key_head(#{}),
+ false = map_is_key_head(not_a_map),
+
+ false = map_is_key_head_not(#{a=>1}),
+ true = map_is_key_head_not(#{b=>1}),
+ true = map_is_key_head_not(#{}),
+ false = map_is_key_head_not(not_a_map),
+
true = map_guard_body(#{a=>1}),
false = map_guard_body({}),
true = map_guard_pattern(#{a=>1, <<"hi">> => "hi" }),
@@ -1224,6 +1239,25 @@ t_guard_bifs(Config) when is_list(Config) ->
true = map_guard_ill_map_size(),
true = map_field_check_sequence(#{a=>1}),
false = map_field_check_sequence(#{}),
+
+ %% The guard BIFs used in a body.
+
+ v = map_get(a, id(#{a=>v})),
+ {'EXIT',{{badkey,a},_}} =
+ (catch map_get(a, id(#{}))),
+ {'EXIT',{{badmap,not_a_map},_}} =
+ (catch map_get(a, id(not_a_map))),
+
+ true = is_map_key(a, id(#{a=>1})),
+ false = is_map_key(b, id(#{a=>1})),
+ false = is_map_key(b, id(#{})),
+ {'EXIT',{{badmap,not_a_map},_}} =
+ (catch is_map_key(b, id(not_a_map))),
+
+ {true,v} = erl_699(#{k=>v}),
+ {'EXIT',{{badkey,k},_}} = (catch erl_699(#{})),
+ {'EXIT',{{badmap,not_a_map},_}} = (catch erl_699(not_a_map)),
+
ok.
map_guard_empty() when is_map(#{}); false -> true.
@@ -1236,8 +1270,14 @@ map_guard_head(_) -> false.
map_get_head(M) when map_get(a, M) =:= 1 -> true;
map_get_head(_) -> false.
+map_get_head_not(M) when not map_get(a, M) -> true;
+map_get_head_not(_) -> false.
+
map_is_key_head(M) when is_map_key(a, M) -> true;
-map_is_key_head(M) -> false.
+map_is_key_head(_) -> false.
+
+map_is_key_head_not(M) when not is_map_key(a, M) -> true;
+map_is_key_head_not(_) -> false.
map_guard_body(M) -> is_map(M).
@@ -1254,6 +1294,10 @@ map_field_check_sequence(M)
map_field_check_sequence(_) ->
false.
+erl_699(M) ->
+ %% Used to cause an internal consistency failure.
+ {is_map_key(k, M),maps:get(k, M)}.
+
t_guard_sequence(Config) when is_list(Config) ->
{1, "a"} = map_guard_sequence_1(#{seq=>1,val=>id("a")}),
{2, "b"} = map_guard_sequence_1(#{seq=>2,val=>id("b")}),