diff options
Diffstat (limited to 'lib/stdlib/test/erl_lint_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/erl_lint_SUITE.erl | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl index fdaab2ee30..6bf87adf14 100644 --- a/lib/stdlib/test/erl_lint_SUITE.erl +++ b/lib/stdlib/test/erl_lint_SUITE.erl @@ -153,7 +153,16 @@ unused_vars_warn_basic(Config) when is_list(Config) -> {22,erl_lint,{unused_var,'N'}}, {23,erl_lint,{shadowed_var,'N','fun'}}, {28,erl_lint,{unused_var,'B'}}, - {29,erl_lint,{unused_var,'B'}}]}}], + {29,erl_lint,{unused_var,'B'}}]}}, + {basic2, + <<"-record(r, {x,y}). + f({X,Y}) -> {Z=X,Z=Y}; + f([H|T]) -> [Z=H|Z=T]; + f(#r{x=X,y=Y}) -> #r{x=A=X,y=A=Y}. + g({M, F}) -> (Z=M):(Z=F)(); + g({M, F, Arg}) -> (Z=M):F(Z=Arg). + h(X, Y) -> (Z=X) + (Z=Y).">>, + [warn_unused_vars], []}], ?line [] = run(Config, Ts), ok. @@ -539,7 +548,29 @@ unused_vars_warn_rec(Config) when is_list(Config) -> end. ">>, [warn_unused_vars], - {warnings,[{22,erl_lint,{unused_var,'Same'}}]}}], + {warnings,[{22,erl_lint,{unused_var,'Same'}}]}}, + {rec2, + <<"-record(r, {a,b}). + f(X, Y) -> #r{a=[K || K <- Y], b=[K || K <- Y]}. + g(X, Y) -> #r{a=lists:map(fun (K) -> K end, Y), + b=lists:map(fun (K) -> K end, Y)}. + h(X, Y) -> #r{a=case Y of _ when is_list(Y) -> Y end, + b=case Y of _ when is_list(Y) -> Y end}. + i(X, Y) -> #r{a=if is_list(Y) -> Y end, b=if is_list(Y) -> Y end}. + ">>, + [warn_unused_vars], + {warnings,[{2,erl_lint,{unused_var,'X'}}, + {3,erl_lint,{unused_var,'X'}}, + {5,erl_lint,{unused_var,'X'}}, + {7,erl_lint,{unused_var,'X'}}]}}, + {rec3, + <<"-record(r, {a}). + t() -> X = 1, #r{a=foo, a=bar, a=qux}. + ">>, + [warn_unused_vars], + {error,[{2,erl_lint,{redefine_field,r,a}}, + {2,erl_lint,{redefine_field,r,a}}], + [{2,erl_lint,{unused_var,'X'}}]}}], ?line [] = run(Config, Ts), ok. @@ -1077,7 +1108,24 @@ unsafe_vars_try(Config) when is_list(Config) -> {10,erl_lint,{unsafe_var,'Ra',{'try',3}}}, {10,erl_lint,{unsafe_var,'Rc',{'try',3}}}, {10,erl_lint,{unsafe_var,'Ro',{'try',3}}}], - []}}], + []}}, + {unsafe_try5, + <<"bang() -> + case 1 of + nil -> + Acc = 2; + _ -> + try + Acc = 3, + Acc + catch _:_ -> + ok + end + end, + Acc. + ">>, + [], + {errors,[{13,erl_lint,{unsafe_var,'Acc',{'try',6}}}],[]}}], ?line [] = run(Config, Ts), ok. |