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-rw-r--r--lib/stdlib/test/erl_eval_SUITE.erl118
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),