compiler: Strengthen Maps warnings tests

Increases coverage.

2 files changed, 30 insertions, 1 deletions

diff --git a/lib/compiler/test/map_SUITE.erl b/lib/compiler/test/map_SUITE.erl
index a889043f73..f1383297ef 100644
--- a/lib/compiler/test/map_SUITE.erl
+++ b/lib/compiler/test/map_SUITE.erl
@@ -238,6 +238,7 @@ t_update_assoc(Config) when is_list(Config) ->
     %% Errors cases.
     BadMap = id(badmap),
     {'EXIT',{badarg,_}} = (catch BadMap#{nonexisting=>val}),
+    {'EXIT',{badarg,_}} = (catch <<>>#{nonexisting=>val}),
 
     ok.
 
@@ -266,6 +267,7 @@ 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}),
     ok.
 
 t_update_values(Config) when is_list(Config) ->
diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl
index c3b02819f9..e8ec48df14 100644
--- a/lib/compiler/test/warnings_SUITE.erl
+++ b/lib/compiler/test/warnings_SUITE.erl
@@ -573,7 +573,34 @@ maps(Config) when is_list(Config) ->
            ">>,
            [],
            {warnings,[{3,sys_core_fold,no_clause_match},
-                      {9,sys_core_fold,nomatch_clause_type}]}}],
+                      {9,sys_core_fold,nomatch_clause_type}]}},
+	   {bad_map_src1,
+           <<"
+             t() ->
+		 M = {a,[]},
+		 {'EXIT',{badarg,_}} = (catch(M#{ a => 1})),
+		 ok.
+           ">>,
+           [],
+	   {warnings,[{4,v3_kernel,bad_map}]}},
+	   {bad_map_src2,
+           <<"
+             t() ->
+		 M = id({a,[]}),
+		 {'EXIT',{badarg,_}} = (catch(M#{ a => 1})),
+		 ok.
+	     id(I) -> I.
+           ">>,
+	   [inline],
+	   {warnings,[{4,v3_kernel,bad_map}]}},
+	   {bad_map_src3,
+           <<"
+             t() ->
+		 {'EXIT',{badarg,_}} = (catch <<>>#{ a := 1}),
+		 ok.
+           ">>,
+           [],
+	   {warnings,[{3,v3_core,bad_map}]}}],
     run(Config, Ts),
     ok.