diff options
Diffstat (limited to 'lib/stdlib/test/erl_eval_SUITE.erl')
-rw-r--r-- | lib/stdlib/test/erl_eval_SUITE.erl | 118 |
1 files changed, 103 insertions, 15 deletions
diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl index 18ec17a4bf..b9c4ad0a46 100644 --- a/lib/stdlib/test/erl_eval_SUITE.erl +++ b/lib/stdlib/test/erl_eval_SUITE.erl @@ -1,19 +1,19 @@ -%% -*- coding: utf-8 -*- %% %% %CopyrightBegin% %% %% Copyright Ericsson AB 1998-2013. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% @@ -26,7 +26,7 @@ match_bin/1, string_plusplus/1, pattern_expr/1, - guard_3/1, guard_4/1, + guard_3/1, guard_4/1, guard_5/1, lc/1, simple_cases/1, unary_plus/1, @@ -42,7 +42,9 @@ funs/1, try_catch/1, eval_expr_5/1, - zero_width/1]). + zero_width/1, + eep37/1, + eep43/1]). %% %% Define to run outside of test server @@ -78,10 +80,11 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [guard_1, guard_2, match_pattern, string_plusplus, - pattern_expr, match_bin, guard_3, guard_4, lc, + pattern_expr, match_bin, guard_3, guard_4, guard_5, 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, eep43]. groups() -> []. @@ -246,6 +249,20 @@ guard_4(Config) when is_list(Config) -> false), ok. +guard_5(doc) -> + ["Guards with erlang:'=='/2"]; +guard_5(suite) -> + []; +guard_5(Config) when is_list(Config) -> + {ok,Tokens ,_} = + erl_scan:string("case 1 of A when erlang:'=='(A, 1) -> true end."), + {ok, [Expr]} = erl_parse:parse_exprs(Tokens), + true = guard_5_compiled(), + {value, true, [{'A',1}]} = erl_eval:expr(Expr, []), + ok. + +guard_5_compiled() -> + case 1 of A when erlang:'=='(A, 1) -> true end. lc(doc) -> ["OTP-4518."]; @@ -1402,6 +1419,77 @@ 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. + +eep43(Config) when is_list(Config) -> + check(fun () -> #{} end, " #{}.", #{}), + check(fun () -> #{a => b} end, "#{a => b}.", #{a => b}), + check(fun () -> + Map = #{a => b}, + {Map#{a := b},Map#{a => c},Map#{d => e}} + end, + "begin " + " Map = #{a => B=b}, " + " {Map#{a := B},Map#{a => c},Map#{d => e}} " + "end.", + {#{a => b},#{a => c},#{a => b,d => e}}), + check(fun () -> + lists:map(fun (X) -> X#{price := 0} end, + [#{hello => 0, price => nil}]) + end, + "lists:map(fun (X) -> X#{price := 0} end, + [#{hello => 0, price => nil}]).", + [#{hello => 0, price => 0}]), + check(fun () -> + Map = #{ <<33:333>> => "wat" }, + #{ <<33:333>> := "wat" } = Map + end, + "begin " + " Map = #{ <<33:333>> => \"wat\" }, " + " #{ <<33:333>> := \"wat\" } = Map " + "end.", + #{ <<33:333>> => "wat" }), + check(fun () -> + K1 = 1, + K2 = <<42:301>>, + K3 = {3,K2}, + Map = #{ K1 => 1, K2 => 2, K3 => 3, {2,2} => 4}, + #{ K1 := 1, K2 := 2, K3 := 3, {2,2} := 4} = Map + end, + "begin " + " K1 = 1, " + " K2 = <<42:301>>, " + " K3 = {3,K2}, " + " Map = #{ K1 => 1, K2 => 2, K3 => 3, {2,2} => 4}, " + " #{ K1 := 1, K2 := 2, K3 := 3, {2,2} := 4} = Map " + "end.", + #{ 1 => 1, <<42:301>> => 2, {3,<<42:301>>} => 3, {2,2} => 4}), + error_check("[camembert]#{}.", {badmap,[camembert]}), + error_check("[camembert]#{nonexisting:=v}.", {badmap,[camembert]}), + error_check("#{} = 1.", {badmatch,1}), + error_check("[]#{a=>error(bad)}.", bad), + error_check("(#{})#{nonexisting:=value}.", {badkey,nonexisting}), + ok. + %% Check the string in different contexts: as is; in fun; from compiled code. check(F, String, Result) -> check1(F, String, Result), |