aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib/test
diff options
context:
space:
mode:
authorAnthony Ramine <[email protected]>2012-11-10 21:32:31 +0100
committerAnthony Ramine <[email protected]>2013-12-12 12:54:24 +0100
commita0988a638a92211ae0af6ec35ca99edfc05110aa (patch)
treec7aad667d8a85bf543459baa767c2ca21b396ae8 /lib/stdlib/test
parenta122254898597d73658e72070862e2da0d1cf85b (diff)
downloadotp-a0988a638a92211ae0af6ec35ca99edfc05110aa.tar.gz
otp-a0988a638a92211ae0af6ec35ca99edfc05110aa.tar.bz2
otp-a0988a638a92211ae0af6ec35ca99edfc05110aa.zip
Test named funs
Diffstat (limited to 'lib/stdlib/test')
-rw-r--r--lib/stdlib/test/erl_eval_SUITE.erl27
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl60
-rw-r--r--lib/stdlib/test/erl_pp_SUITE.erl27
-rw-r--r--lib/stdlib/test/ms_transform_SUITE.erl11
-rw-r--r--lib/stdlib/test/qlc_SUITE.erl14
5 files changed, 130 insertions, 9 deletions
diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl
index 7ceef727f1..c4b6b35e72 100644
--- a/lib/stdlib/test/erl_eval_SUITE.erl
+++ b/lib/stdlib/test/erl_eval_SUITE.erl
@@ -41,7 +41,8 @@
funs/1,
try_catch/1,
eval_expr_5/1,
- zero_width/1]).
+ zero_width/1,
+ eep37/1]).
%%
%% Define to run outside of test server
@@ -80,7 +81,8 @@ all() ->
pattern_expr, match_bin, guard_3, guard_4, lc,
simple_cases, unary_plus, apply_atom, otp_5269,
otp_6539, otp_6543, otp_6787, otp_6977, otp_7550,
- otp_8133, otp_10622, funs, try_catch, eval_expr_5, zero_width].
+ otp_8133, otp_10622, funs, try_catch, eval_expr_5, zero_width,
+ eep37].
groups() ->
[].
@@ -1401,6 +1403,27 @@ zero_width(Config) when is_list(Config) ->
"ok end.", ok),
ok.
+eep37(Config) when is_list(Config) ->
+ check(fun () -> (fun _(X) -> X end)(42) end,
+ "(fun _(X) -> X end)(42).",
+ 42),
+ check(fun () -> (fun _Id(X) -> X end)(42) end,
+ "(fun _Id(X) -> X end)(42).", 42),
+ check(fun () -> is_function((fun Self() -> Self end)(), 0) end,
+ "is_function((fun Self() -> Self end)(), 0).",
+ true),
+ check(fun () ->
+ F = fun Fact(N) when N > 0 ->
+ N * Fact(N - 1);
+ Fact(0) ->
+ 1
+ end,
+ F(6)
+ end,
+ "(fun Fact(N) when N > 0 -> N * Fact(N - 1); Fact(0) -> 1 end)(6).",
+ 720),
+ ok.
+
%% Check the string in different contexts: as is; in fun; from compiled code.
check(F, String, Result) ->
check1(F, String, Result),
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 6bf87adf14..a71d7f3018 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -575,7 +575,7 @@ unused_vars_warn_rec(Config) when is_list(Config) ->
ok.
unused_vars_warn_fun(doc) ->
- "Warnings for unused variables in records.";
+ "Warnings for unused variables in funs.";
unused_vars_warn_fun(suite) -> [];
unused_vars_warn_fun(Config) when is_list(Config) ->
Ts = [{fun1,
@@ -643,7 +643,60 @@ unused_vars_warn_fun(Config) when is_list(Config) ->
{22,erl_lint,{unused_var,'U'}},
{24,erl_lint,{unused_var,'U'}},
{26,erl_lint,{unused_var,'U'}},
- {26,erl_lint,{shadowed_var,'U','fun'}}]}}
+ {26,erl_lint,{shadowed_var,'U','fun'}}]}},
+ {named_fun,
+ <<"u() ->
+ fun U() -> foo end, % U unused.
+ U; % U unbound.
+ u() ->
+ case foo of
+ true ->
+ U = 2;
+ false ->
+ true
+ end,
+ fun U() -> foo end, % U unused.
+ U; % U unsafe.
+ u() ->
+ case foo of
+ true ->
+ U = 2;
+ false ->
+ U = 3
+ end,
+ fun U() -> foo end, % U shadowed. U unused.
+ U;
+ u() ->
+ case foo of
+ true ->
+ U = 2; % U unused.
+ false ->
+ U = 3 % U unused.
+ end,
+ fun U() -> foo end; % U shadowed. U unused.
+ u() ->
+ fun U(U) -> foo end; % U shadowed. U unused.
+ u() ->
+ fun U(1) -> U; U(U) -> foo end; % U shadowed. U unused.
+ u() ->
+ fun _(N) -> N + 1 end. % Cover handling of '_' name.
+ ">>,
+ [warn_unused_vars],
+ {error,[{3,erl_lint,{unbound_var,'U'}},
+ {12,erl_lint,{unsafe_var,'U',{'case',5}}}],
+ [{2,erl_lint,{unused_var,'U'}},
+ {11,erl_lint,{unused_var,'U'}},
+ {20,erl_lint,{unused_var,'U'}},
+ {20,erl_lint,{shadowed_var,'U','named fun'}},
+ {25,erl_lint,{unused_var,'U'}},
+ {27,erl_lint,{unused_var,'U'}},
+ {29,erl_lint,{unused_var,'U'}},
+ {29,erl_lint,{shadowed_var,'U','named fun'}},
+ {31,erl_lint,{unused_var,'U'}},
+ {31,erl_lint,{unused_var,'U'}},
+ {31,erl_lint,{shadowed_var,'U','fun'}},
+ {33,erl_lint,{unused_var,'U'}},
+ {33,erl_lint,{shadowed_var,'U','fun'}}]}}
],
?line [] = run(Config, Ts),
ok.
@@ -2201,7 +2254,8 @@ otp_5878(Config) when is_list(Config) ->
<<"-record(r1, {t = case foo of _ -> 3 end}).
-record(r2, {a = case foo of A -> A; _ -> 3 end}).
-record(r3, {a = case foo of A -> A end}).
- t() -> {#r1{},#r2{},#r3{}}.
+ -record(r4, {a = fun _AllowedFunName() -> allowed end}).
+ t() -> {#r1{},#r2{},#r3{},#r4{}}.
">>,
[warn_unused_record],
{errors,[{2,erl_lint,{variable_in_record_def,'A'}},
diff --git a/lib/stdlib/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl
index 70a9d70e5c..cc744ee76b 100644
--- a/lib/stdlib/test/erl_pp_SUITE.erl
+++ b/lib/stdlib/test/erl_pp_SUITE.erl
@@ -130,7 +130,27 @@ func(Config) when is_list(Config) ->
true
end)().">>},
{func_7,
- <<"t(M, F, A) -> fun M:F/A.">>}
+ <<"t(M, F, A) -> fun M:F/A.">>},
+ {func_8,
+ <<"-record(r1, {a,b}).
+ -record(r3, {a = fun Id(_) -> #r1{} end(1), b}).
+
+ t() ->
+ fun Id(A) when record(A#r3.a, r1) -> 7 end(#r3{}).
+ ">>},
+ {func_9,
+ <<"-record(r1, {a,b}).
+ -record(r3, {a = fun Id(_) -> #r1{} end(1), b}).
+
+ t() ->
+ fsdfsdfjsdfjkljf:sdlfjdsfjlf(
+ fun Id(sdfsd) -> {sdkjsdf,sdfjsdkljfsdl,sdfkjdklf} end).
+ ">>},
+ {func_10,
+ <<"t() ->
+ (fun True() ->
+ true
+ end)().">>}
],
?line compile(Config, Ts),
ok.
@@ -158,6 +178,7 @@ recs(Config) when is_list(Config) ->
-record(r1, {a,b}).
-record(r2, {a = #r1{},b,c=length([1,2,3])}).
-record(r3, {a = fun(_) -> #r1{} end(1), b}).
+ -record(r4, {a = fun R1(_) -> #r1{} end(1), b}).
t() ->
foo = fun(A) when A#r1.a > A#r1.b -> foo end(#r1{b = 2}),
@@ -741,6 +762,7 @@ neg_indent(Config) when is_list(Config) ->
?line ok = pp_expr(<<"{[a,b,c],[d,e|f]}">>),
?line ok = pp_expr(<<"f(a,b,c)">>),
?line ok = pp_expr(<<"fun() when a,b;c,d -> a end">>),
+ ?line ok = pp_expr(<<"fun A() when a,b;c,d -> a end">>),
?line ok = pp_expr(<<"<<34:32,17:32>>">>),
?line ok = pp_expr(<<"if a,b,c -> d; e,f,g -> h,i end">>),
?line ok = pp_expr(<<"if a -> d; c -> d end">>),
@@ -763,6 +785,9 @@ neg_indent(Config) when is_list(Config) ->
Fun2 = {'fun',2,{clauses,[{clause,2,[],[],[{atom,3,true}]}]},
{0,108059557,'-t/0-fun-0-'}},
?line "fun() -> true end" = flat_expr(Fun2),
+ Fun3 = {named_fun,3,'True',[{clause,3,[],[],[{atom,3,true}]}],
+ {0,424242424,'-t/0-True-0-'}},
+ ?line "fun True() -> true end" = flat_expr(Fun3),
ok.
diff --git a/lib/stdlib/test/ms_transform_SUITE.erl b/lib/stdlib/test/ms_transform_SUITE.erl
index a17307b07b..4ec13ed472 100644
--- a/lib/stdlib/test/ms_transform_SUITE.erl
+++ b/lib/stdlib/test/ms_transform_SUITE.erl
@@ -40,6 +40,7 @@
-export([action_function/1]).
-export([warnings/1]).
-export([no_warnings/1]).
+-export([eep37/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
init_per_testcase(_Func, Config) ->
@@ -57,7 +58,7 @@ all() ->
record_index, multipass, bitsyntax, record_defaults,
andalso_orelse, float_1_function, action_function,
warnings, no_warnings, top_match, old_guards, autoimported,
- semicolon].
+ semicolon, eep37].
groups() ->
[].
@@ -806,6 +807,14 @@ action_function(Config) when is_list(Config) ->
ok.
+eep37(Config) when is_list(Config) ->
+ setup(Config),
+ [{'$1',[],['$1']}] =
+ compile_and_run(<<"F = fun _Ms() ->\n"
+ " ets:fun2ms(fun (X) -> X end)\n"
+ " end,\n"
+ "F()">>).
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/stdlib/test/qlc_SUITE.erl b/lib/stdlib/test/qlc_SUITE.erl
index 5f9244b479..2846657c09 100644
--- a/lib/stdlib/test/qlc_SUITE.erl
+++ b/lib/stdlib/test/qlc_SUITE.erl
@@ -76,7 +76,9 @@
manpage/1,
- backward/1, forward/1]).
+ backward/1, forward/1,
+
+ eep37/1]).
%% Internal exports.
-export([bad_table_throw/1, bad_table_exit/1, default_table/1, bad_table/1,
@@ -132,7 +134,7 @@ groups() ->
evaluator, string_to_handle, table, process_dies, sort,
keysort, filesort, cache, cache_list, filter, info,
nested_info, lookup1, lookup2, lookup_rec, indices,
- pre_fun, skip_filters]},
+ pre_fun, skip_filters, eep37]},
{table_impls, [], [ets, dets]},
{join, [],
[join_option, join_filter, join_lookup, join_merge,
@@ -7427,6 +7429,14 @@ forward(Config) when is_list(Config) ->
?line run(Config, Ts),
ok.
+eep37(Config) when is_list(Config) ->
+ Ts = [
+ <<"H = (fun _Handle() -> qlc:q([X || X <- []]) end)(),
+ [] = qlc:eval(H)">>
+ ],
+ run(Config, Ts),
+ ok.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
bad_table_throw(Tab) ->