diff options
Diffstat (limited to 'lib/compiler/test')
| -rw-r--r-- | lib/compiler/test/match_SUITE.erl | 18 | 
1 files changed, 16 insertions, 2 deletions
| diff --git a/lib/compiler/test/match_SUITE.erl b/lib/compiler/test/match_SUITE.erl index e5aaf49d6f..1234197cd7 100644 --- a/lib/compiler/test/match_SUITE.erl +++ b/lib/compiler/test/match_SUITE.erl @@ -22,7 +22,8 @@  	 init_per_group/2,end_per_group/2,  	 pmatch/1,mixed/1,aliases/1,match_in_call/1,  	 untuplify/1,shortcut_boolean/1,letify_guard/1, -	 selectify/1,underscore/1,match_map/1,coverage/1]). +	 selectify/1,underscore/1,match_map/1,map_vars_used/1, +      coverage/1]).  -include_lib("test_server/include/test_server.hrl"). @@ -36,7 +37,7 @@ groups() ->      [{p,test_lib:parallel(),        [pmatch,mixed,aliases,match_in_call,untuplify,         shortcut_boolean,letify_guard,selectify, -       underscore,match_map,coverage]}]. +       underscore,match_map,map_vars_used,coverage]}].  init_per_suite(Config) -> @@ -412,6 +413,19 @@ do_match_map(#s{map=#{key:=Val}}=S) ->      %% Would crash with a 'badarg' exception.      S#s{t=Val}. +map_vars_used(Config) when is_list(Config) -> +    {some,value} = do_map_vars_used(a, b, #{{a,b}=>42,v=>{some,value}}), +    ok. + +do_map_vars_used(X, Y, Map) -> +    case {X,Y} of +	T -> +	    %% core_lib:is_var_used/2 would not consider T used. +	    #{T:=42,v:=Val} = Map, +	    Val +    end. + +  coverage(Config) when is_list(Config) ->      %% Cover beam_dead.      ok = coverage_1(x, a), | 
