diff options
Diffstat (limited to 'lib/debugger/test/lc_SUITE.erl')
| -rw-r--r-- | lib/debugger/test/lc_SUITE.erl | 119 |
1 files changed, 108 insertions, 11 deletions
diff --git a/lib/debugger/test/lc_SUITE.erl b/lib/debugger/test/lc_SUITE.erl index 92a03ef58e..2f05eb7fca 100644 --- a/lib/debugger/test/lc_SUITE.erl +++ b/lib/debugger/test/lc_SUITE.erl @@ -17,21 +17,22 @@ %% %CopyrightEnd% %% -%% -module(lc_SUITE). --author('[email protected]'). +%% Copied from lc_SUITE in the compiler application. + -export([all/0, suite/0,groups/0,init_per_group/2,end_per_group/2, init_per_testcase/2,end_per_testcase/2, init_per_suite/1,end_per_suite/1, - basic/1]). + basic/1,deeply_nested/1,no_generator/1, + empty_generator/1]). -include_lib("test_server/include/test_server.hrl"). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - cases(). + [basic, deeply_nested, no_generator, empty_generator]. groups() -> []. @@ -42,10 +43,6 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. - -cases() -> - [basic]. - init_per_testcase(_Case, Config) -> test_lib:interpret(?MODULE), Dog = test_server:timetrap(?t:minutes(1)), @@ -64,7 +61,7 @@ init_per_suite(Config) when is_list(Config) -> end_per_suite(Config) when is_list(Config) -> ok. -basic(Config) when list(Config) -> +basic(Config) when is_list(Config) -> ?line L0 = lists:seq(1, 10), ?line L1 = my_map(fun(X) -> {x,X} end, L0), ?line L1 = [{x,X} || X <- L0], @@ -73,16 +70,116 @@ basic(Config) when list(Config) -> ?line [4,5,6] = [X || X <- L0, X > 3, X < 7], ?line [] = [X || X <- L0, X > 32, X < 7], ?line [1,3,5,7,9] = [X || X <- L0, odd(X)], + ?line [2,4,6,8,10] = [X || X <- L0, not odd(X)], + ?line [1,3,5,9] = [X || X <- L0, odd(X), X =/= 7], + ?line [2,4,8,10] = [X || X <- L0, not odd(X), X =/= 6], + + %% Append is specially handled. + ?line [1,3,5,9,2,4,8,10] = [X || X <- L0, odd(X), X =/= 7] ++ + [X || X <- L0, not odd(X), X =/= 6], + + %% Guards BIFs are evaluated in guard context. Weird, but true. + ?line [{a,b,true},{x,y,true,true}] = [X || X <- tuple_list(), element(3, X)], + + %% Filter expressions with andalso/orelse. + ?line "abc123" = alphanum("?abc123.;"), %% Error cases. - ?line [] = [X || X <- L1, X+1 < 2], ?line [] = [{xx,X} || X <- L0, element(2, X) == no_no_no], - ?line {'EXIT',_} = (catch [X || X <- L1, odd(X)]), + ?line {'EXIT',_} = (catch [X || X <- L1, list_to_atom(X) == dum]), + ?line [] = [X || X <- L1, X+1 < 2], + ?line {'EXIT',_} = (catch [X || X <- L1, odd(X)]), + %% A bad generator has a different exception compared to BEAM. + ?line {'EXIT',{{bad_generator,x},_}} = (catch [E || E <- id(x)]), ok. +tuple_list() -> + [{a,b,true},[a,b,c],glurf,{a,b,false,xx},{a,b},{x,y,true,true},{a,b,d,ddd}]. + my_map(F, L) -> [F(X) || X <- L]. odd(X) -> X rem 2 == 1. + +alphanum(Str) -> + [C || C <- Str, ((C >= $0) andalso (C =< $9)) + orelse ((C >= $a) andalso (C =< $z)) + orelse ((C >= $A) andalso (C =< $Z))]. + +deeply_nested(Config) when is_list(Config) -> + [[99,98,97,96,42,17,1764,12,11,10,9,8,7,6,5,4,3,7,2,1]] = deeply_nested_1(), + ok. + +deeply_nested_1() -> + %% This used to compile really, really SLOW before R11B-1... + [[X1,X2,X3,X4,X5,X6,X7(),X8,X9,X10,X11,X12,X13,X14,X15,X16,X17,X18(),X19,X20] || + X1 <- [99],X2 <- [98],X3 <- [97],X4 <- [96],X5 <- [42],X6 <- [17], + X7 <- [fun() -> X5*X5 end],X8 <- [12],X9 <- [11],X10 <- [10], + X11 <- [9],X12 <- [8],X13 <- [7],X14 <- [6],X15 <- [5], + X16 <- [4],X17 <- [3],X18 <- [fun() -> X16+X17 end],X19 <- [2],X20 <- [1]]. + +no_generator(Config) when is_list(Config) -> + ?line Seq = lists:seq(-10, 17), + ?line [no_gen_verify(no_gen(A, B), A, B) || A <- Seq, B <- Seq], + + %% Literal expression, for coverage. + ?line [a] = [a || true], + ?line [a,b,c] = [a || true] ++ [b,c], + ok. + +no_gen(A, B) -> + [{A,B} || A+B =:= 0] ++ + [{A,B} || A*B =:= 0] ++ + [{A,B} || A rem B =:= 3] ++ + [{A,B} || A =:= B] ++ + [{one_more,A,B} || no_gen_one_more(A, B)] ++ + [A || A =:= 1] ++ + [A || A =:= 2] ++ + [A || A =:= 3] ++ + [A || A =:= 4] ++ + [A || A =:= 5] ++ + [A || A =:= 6] ++ + [A || A =:= 7] ++ + [A || A =:= 8] ++ + [A || A =:= 9] ++ + [B || B =:= 1] ++ + [B || B =:= 2] ++ + [B || B =:= 3] ++ + [B || B =:= 4] ++ + [B || B =:= 5] ++ + [B || B =:= 6] ++ + [B || B =:= 7] ++ + [B || B =:= 8] ++ + [B || B =:= 9]. + +no_gen_verify(Res, A, B) -> + Pair = {A,B}, + ShouldBe = no_gen_eval(fun() -> A+B =:= 0 end, Pair) ++ + no_gen_eval(fun() -> A*B =:= 0 end, Pair) ++ + no_gen_eval(fun() -> B =/= 0 andalso A rem B =:= 3 end, Pair) ++ + no_gen_eval(fun() -> A =:= B end, Pair) ++ + no_gen_eval(fun() -> A + 1 =:= B end, {one_more,A,B}) ++ + no_gen_eval(fun() -> 1 =< A andalso A =< 9 end, A) ++ + no_gen_eval(fun() -> 1 =< B andalso B =< 9 end, B), + case Res of + ShouldBe -> ok; + _ -> + io:format("A = ~p; B = ~p; Expected = ~p, actual = ~p", [A,B,ShouldBe,Res]), + ?t:fail() + end. + +no_gen_eval(Fun, Res) -> + case Fun() of + true -> [Res]; + false -> [] + end. + +no_gen_one_more(A, B) -> A + 1 =:= B. + +empty_generator(Config) when is_list(Config) -> + ?line [] = [X || {X} <- [], (false or (X/0 > 3))], + ok. + +id(I) -> I. |