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-rw-r--r--lib/compiler/test/lc_SUITE.erl73
1 files changed, 59 insertions, 14 deletions
diff --git a/lib/compiler/test/lc_SUITE.erl b/lib/compiler/test/lc_SUITE.erl
index d10839ccf2..c80b7cc59e 100644
--- a/lib/compiler/test/lc_SUITE.erl
+++ b/lib/compiler/test/lc_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -19,22 +19,23 @@
%%
-module(lc_SUITE).
--export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
+-export([all/0, suite/0, groups/0, init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
basic/1,deeply_nested/1,no_generator/1,
empty_generator/1,no_export/1,shadow/1,
effect/1]).
--include_lib("test_server/include/test_server.hrl").
+-include_lib("common_test/include/ct.hrl").
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+ [{ct_hooks,[ts_install_cth]},
+ {timetrap,{minutes,1}}].
-all() ->
- test_lib:recompile(?MODULE),
+all() ->
[{group,p}].
-groups() ->
+groups() ->
[{p,test_lib:parallel(),
[basic,
deeply_nested,
@@ -46,6 +47,7 @@ groups() ->
]}].
init_per_suite(Config) ->
+ test_lib:recompile(?MODULE),
Config.
end_per_suite(_Config) ->
@@ -59,12 +61,9 @@ end_per_group(_GroupName, Config) ->
init_per_testcase(Case, Config) when is_atom(Case), is_list(Config) ->
- Dog = test_server:timetrap(?t:minutes(1)),
- [{watchdog,Dog}|Config].
+ Config.
end_per_testcase(Case, Config) when is_atom(Case), is_list(Config) ->
- Dog = ?config(watchdog, Config),
- ?t:timetrap_cancel(Dog),
ok.
basic(Config) when is_list(Config) ->
@@ -90,12 +89,49 @@ basic(Config) when is_list(Config) ->
%% Filter expressions with andalso/orelse.
"abc123" = alphanum("?abc123.;"),
+ %% Aliased patterns.
+ [] = [t || {C=D}={_,_} <- []],
+ [] = [X || {X,{Y}={X,X}} <- []],
+ [t] = [t || "a"++"b" = "ab" <- ["ab"]],
+
+ %% Strange filter block.
+ [] = [{X,Y} || {X} <- [], begin Y = X, Y =:= X end],
+ [{a,a}] = [{X,Y} || {X} <- [{a}], begin Y = X, Y =:= X end],
+
+ %% Not matching.
+ [] = [3 || {3=4} <- []],
+
%% Error cases.
[] = [{xx,X} || X <- L0, element(2, X) == no_no_no],
{'EXIT',_} = (catch [X || X <- L1, list_to_atom(X) == dum]),
[] = [X || X <- L1, X+1 < 2],
{'EXIT',_} = (catch [X || X <- L1, odd(X)]),
fc([x], catch [E || E <- id(x)]),
+
+ %% Make sure that line numbers point out the generator.
+ case ?MODULE of
+ lc_inline_SUITE ->
+ ok;
+ _ ->
+ {'EXIT',{function_clause,
+ [{?MODULE,_,_,
+ [{file,"bad_lc.erl"},{line,4}]}|_]}} =
+ (catch bad_generator(a)),
+ {'EXIT',{function_clause,
+ [{?MODULE,_,_,
+ [{file,"bad_lc.erl"},{line,4}]}|_]}} =
+ (catch bad_generator([a|b])),
+ {'EXIT',{badarg,
+ [{erlang,length,_,_},
+ {?MODULE,bad_generator_bc,1,
+ [{file,"bad_lc.erl"},{line,7}]}|_]}} =
+ (catch bad_generator_bc(a)),
+ {'EXIT',{badarg,
+ [{erlang,length,_,_},
+ {?MODULE,bad_generator_bc,1,
+ [{file,"bad_lc.erl"},{line,7}]}|_]}} =
+ (catch bad_generator_bc([a|b]))
+ end,
ok.
tuple_list() ->
@@ -171,7 +207,7 @@ no_gen_verify(Res, A, B) ->
ShouldBe -> ok;
_ ->
io:format("A = ~p; B = ~p; Expected = ~p, actual = ~p", [A,B,ShouldBe,Res]),
- ?t:fail()
+ ct:fail(failed)
end.
no_gen_eval(Fun, Res) ->
@@ -203,6 +239,7 @@ shadow(Config) when is_list(Config) ->
ok.
effect(Config) when is_list(Config) ->
+ ct:timetrap({minutes,10}),
[{42,{a,b,c}}] =
do_effect(fun(F, L) ->
[F({V1,V2}) ||
@@ -215,7 +252,7 @@ effect(Config) when is_list(Config) ->
lc_SUITE ->
_ = [{'EXIT',{badarg,_}} =
(catch binary_to_atom(<<C/utf8>>, utf8)) ||
- C <- lists:seq(16#10000, 16#FFFFF)];
+ C <- lists:seq(16#FF10000, 16#FFFFFFF)];
_ ->
ok
end,
@@ -229,7 +266,7 @@ do_effect(Lc, L) ->
lists:reverse(erase(?MODULE)).
id(I) -> I.
-
+
fc(Args, {'EXIT',{function_clause,[{?MODULE,_,Args,_}|_]}}) -> ok;
fc(Args, {'EXIT',{function_clause,[{?MODULE,_,Arity,_}|_]}})
when length(Args) =:= Arity ->
@@ -237,3 +274,11 @@ fc(Args, {'EXIT',{function_clause,[{?MODULE,_,Arity,_}|_]}})
fc(Args, {'EXIT',{{case_clause,ActualArgs},_}})
when ?MODULE =:= lc_inline_SUITE ->
Args = tuple_to_list(ActualArgs).
+
+-file("bad_lc.erl", 1).
+bad_generator(List) -> %Line 2
+ [I || %Line 3
+ I <- List]. %Line 4
+bad_generator_bc(List) -> %Line 5
+ << <<I:4>> || %Line 6
+ I <- List>>. %Line 7