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Diffstat (limited to 'lib/compiler/test/map_SUITE.erl')
-rw-r--r--lib/compiler/test/map_SUITE.erl74
1 files changed, 70 insertions, 4 deletions
diff --git a/lib/compiler/test/map_SUITE.erl b/lib/compiler/test/map_SUITE.erl
index b4baef461b..cc018e4305 100644
--- a/lib/compiler/test/map_SUITE.erl
+++ b/lib/compiler/test/map_SUITE.erl
@@ -40,9 +40,13 @@
t_build_and_match_over_alloc/1,
t_build_and_match_empty_val/1,
t_build_and_match_val/1,
+ t_build_and_match_nil/1,
+ t_build_and_match_structure/1,
%% errors in 17.0-rc1
- t_update_values/1
+ t_update_values/1,
+ t_expand_map_update/1,
+ t_export/1
]).
suite() -> [].
@@ -66,9 +70,13 @@ all() -> [
t_build_and_match_over_alloc,
t_build_and_match_empty_val,
t_build_and_match_val,
+ t_build_and_match_nil,
+ t_build_and_match_structure,
%% errors in 17.0-rc1
- t_update_values
+ t_update_values,
+ t_expand_map_update,
+ t_export
].
groups() -> [].
@@ -105,12 +113,16 @@ t_build_and_match_literals(Config) when is_list(Config) ->
M = #{ map_1:=#{ map_2:=#{value_3 := third}, value_2:= second}, value_1:=first} =
id(#{ map_1=>#{ map_2=>#{value_3 => third}, value_2=> second}, value_1=>first}),
+ %% nil key
+ #{[]:=ok,1:=2} = id(#{[]=>ok,1=>2}),
+
%% error case
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=3,x:=2} = id(#{x=>3}))),
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=2} = id(#{x=>3}))),
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id({a,b,c}))),
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id(#{y=>3}))),
{'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id(#{x=>"three"}))),
+ {'EXIT',{badarg,_}} = (catch id(#{<<0:258>> =>"three"})),
ok.
t_build_and_match_aliasing(Config) when is_list(Config) ->
@@ -187,7 +199,9 @@ loop_match_and_update_literals_x_q(#{q:=Q0,x:=X0} = Map, [{X,Q}|Vs]) ->
t_update_map_expressions(Config) when is_list(Config) ->
M = maps:new(),
- #{ a := 1 } = M#{a => 1},
+ X = id(fondue),
+ M1 = #{ a := 1 } = M#{a => 1},
+ #{ b := {X} } = M1#{ a := 1, b => {X} },
#{ b := 2 } = (maps:new())#{ b => 2 },
@@ -225,7 +239,8 @@ t_update_assoc(Config) when is_list(Config) ->
%% Errors cases.
BadMap = id(badmap),
{'EXIT',{badarg,_}} = (catch BadMap#{nonexisting=>val}),
-
+ {'EXIT',{badarg,_}} = (catch <<>>#{nonexisting=>val}),
+ {'EXIT',{badarg,_}} = (catch M0#{<<0:257>> => val}), %% limitation
ok.
t_update_exact(Config) when is_list(Config) ->
@@ -253,6 +268,8 @@ t_update_exact(Config) when is_list(Config) ->
{'EXIT',{badarg,_}} = (catch M0#{1.0:=v,1.0=>v2}),
{'EXIT',{badarg,_}} = (catch M0#{42.0:=v,42:=v2}),
{'EXIT',{badarg,_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}),
+ {'EXIT',{badarg,_}} = (catch <<>>#{nonexisting:=val}),
+ {'EXIT',{badarg,_}} = (catch M0#{<<0:257>> := val}), %% limitation
ok.
t_update_values(Config) when is_list(Config) ->
@@ -273,20 +290,39 @@ t_update_values(Config) when is_list(Config) ->
end, {none, none, #{val1=>none,val2=>none}},List),
ok.
+t_expand_map_update(Config) when is_list(Config) ->
+ M = #{<<"hello">> => <<"world">>}#{<<"hello">> := <<"les gens">>},
+ #{<<"hello">> := <<"les gens">>} = M,
+ ok.
+
+t_export(Config) when is_list(Config) ->
+ Raclette = id(#{}),
+ case brie of brie -> Fromage = Raclette end,
+ Raclette = Fromage#{},
+ ok.
+
check_val(#{val1:=V1, val2:=V2},V1,V2) -> ok.
get_val(#{ "wazzup" := _, val := V}) -> V;
get_val(#{ val := V }) -> {some_val, V}.
t_guard_bifs(Config) when is_list(Config) ->
+ true = map_guard_empty(),
+ true = map_guard_empty_2(),
true = map_guard_head(#{a=>1}),
false = map_guard_head([]),
true = map_guard_body(#{a=>1}),
false = map_guard_body({}),
true = map_guard_pattern(#{a=>1, <<"hi">> => "hi" }),
false = map_guard_pattern("list"),
+ true = map_guard_tautology(),
+ true = map_guard_ill_map_size(),
ok.
+map_guard_empty() when is_map(#{}); false -> true.
+
+map_guard_empty_2() when true; #{} andalso false -> true.
+
map_guard_head(M) when is_map(M) -> true;
map_guard_head(_) -> false.
@@ -295,6 +331,10 @@ map_guard_body(M) -> is_map(M).
map_guard_pattern(#{}) -> true;
map_guard_pattern(_) -> false.
+map_guard_tautology() when #{} =:= #{}; true -> true.
+
+map_guard_ill_map_size() when true; map_size(0) -> true.
+
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")}),
@@ -529,6 +569,32 @@ t_build_and_match_val(Config) when is_list(Config) ->
test_server:fail({no_match, Other})
end.
+t_build_and_match_nil(Config) when is_list(Config) ->
+ %% literals removed the coverage
+ V1 = id(cookie),
+ V2 = id(cake),
+ V3 = id(crisps),
+
+ #{ [] := V1, "treat" := V2, {your,treat} := V3 } = id(#{
+ {your,treat} => V3,
+ "treat" => V2,
+ [] => V1 }),
+ #{ [] := V3, [] := V3 } = id(#{ [] => V1, [] => V3 }),
+ ok.
+
+t_build_and_match_structure(Config) when is_list(Config) ->
+ V2 = id("it"),
+ S = id([42,{"hi", "=)", #{ "a" => 42, any => any, val => "get_" ++ V2}}]),
+
+ %% match deep map values
+ V2 = case S of
+ [42,{"hi",_, #{ "a" := 42, val := "get_" ++ V1, any := _ }}] -> V1
+ end,
+ %% match deep map
+ ok = case S of
+ [42,{"hi",_, #{ }}] -> ok
+ end,
+ ok.
%% Use this function to avoid compile-time evaluation of an expression.
id(I) -> I.