File 3544-features-test-Adjust-tests-to-features-imp... of Package erlang

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File 3544-features-test-Adjust-tests-to-features-implementatio.patch of Package erlang (Revision 2b8d27ae7717c343be1a05a52e3dc269)

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From 9675d26a7c96c3f4b6cf20fd608bc2384b5166ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cons=20T=20=C3=85hs?= <cons@erlang.org>
Date: Mon, 14 Mar 2022 15:58:31 +0100
Subject: [PATCH 4/7] [features, test] Adjust tests to features implementation

* Add knowledge about new Meta chunk
* Add knowledge about new macros
* Make some tests pass in a Bad Way, by using functions that should
  not be available at runtime

Co-authored-by: Lukas Larsson <garazdawi@gmail.com>
---
 lib/common_test/test_server/ts_run.erl       |  4 +++-
 lib/compiler/Makefile                        |  8 +++++++-
 lib/compiler/test/Makefile                   |  3 +--
 lib/compiler/test/maybe_SUITE.erl            |  5 +++++
 lib/stdlib/Makefile                          | 10 +++++++++-
 lib/stdlib/test/Makefile                     |  4 +---
 lib/stdlib/test/beam_lib_SUITE.erl           |  5 +++--
 lib/stdlib/test/epp_SUITE.erl                |  9 +++++++--
 lib/stdlib/test/erl_eval_SUITE.erl           |  3 ++-
 lib/syntax_tools/test/syntax_tools_SUITE.erl | 20 +++++++++-----------
 10 files changed, 47 insertions(+), 24 deletions(-)

diff --git a/lib/common_test/test_server/ts_run.erl b/lib/common_test/test_server/ts_run.erl
index 702e5dea50..a1d20df69d 100644
--- a/lib/common_test/test_server/ts_run.erl
+++ b/lib/common_test/test_server/ts_run.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1997-2021. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2022. 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.
@@ -255,6 +255,8 @@ make_command(Vars, Spec, State) ->
 	   %%	   " -test_server_format_exception false",
 	   " -boot start_sasl -sasl errlog_type error",
 	   " -pz \"",Cwd,"\"",
+           %% FIXME This is too far away from where it is needed.
+           " -enable-feature maybe_expr",
 	   " -ct_test_vars ",TestVars,
 	   " -eval \"ts_run:ct_run_test(\\\"",TestDir,"\\\", ",
 	   backslashify(lists:flatten(State#state.test_server_args)),")\""
diff --git a/lib/compiler/Makefile b/lib/compiler/Makefile
index 2edc743677..a7d896f258 100644
--- a/lib/compiler/Makefile
+++ b/lib/compiler/Makefile
@@ -1,7 +1,7 @@
 #
 # %CopyrightBegin%
 # 
-# Copyright Ericsson AB 1996-2021. All Rights Reserved.
+# Copyright Ericsson AB 1996-2022. 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.
@@ -39,3 +39,9 @@ include $(ERL_TOP)/make/otp_subdir.mk
 DIA_PLT_APPS=crypto
 
 include $(ERL_TOP)/make/app_targets.mk
+
+# Enable feature maybe_expr in runtime when running tests
+# Note: this overrides, and uses, test target in app_targets.mk
+.PHONY: test
+test:
+	$(MAKE) ERL_ARGS="-enable-feature maybe_expr $(ERL_ARGS)" -f $(ERL_TOP)/make/app_targets.mk $@
diff --git a/lib/compiler/test/Makefile b/lib/compiler/test/Makefile
index 6fd03d5732..9e57a36bd5 100644
--- a/lib/compiler/test/Makefile
+++ b/lib/compiler/test/Makefile
@@ -165,9 +165,8 @@ RELSYSDIR = $(RELEASE_PATH)/compiler_test
 # FLAGS
 # ----------------------------------------------------
 
-MAYBE_OPT = '+{enable_feature,maybe_expr}'
 ERL_MAKE_FLAGS +=
-ERL_COMPILE_FLAGS += +clint +clint0 +ssalint $(MAYBE_OPT)
+ERL_COMPILE_FLAGS += +clint +clint0 +ssalint
 
 EBIN = .
 
diff --git a/lib/compiler/test/maybe_SUITE.erl b/lib/compiler/test/maybe_SUITE.erl
index c0dd81523a..905bc33584 100644
--- a/lib/compiler/test/maybe_SUITE.erl
+++ b/lib/compiler/test/maybe_SUITE.erl
@@ -21,6 +21,11 @@
 -module(maybe_SUITE).
 -include_lib("common_test/include/ct.hrl").
 
+%% Note: also require the feature to be set during runtime as long as
+%% the feature is experimental.  This is currently done in ../Makefile
+%% by overriding the test target.  Ugly and very non local.
+-feature(enable, maybe_expr).
+
 -export([all/0, groups/0, init_per_suite/1, end_per_suite/1]).
 -export([basic/1, nested/1]).
 
diff --git a/lib/stdlib/Makefile b/lib/stdlib/Makefile
index 7cdc0dd6ff..f1db3c77e3 100644
--- a/lib/stdlib/Makefile
+++ b/lib/stdlib/Makefile
@@ -1,7 +1,7 @@
 #
 # %CopyrightBegin%
 # 
-# Copyright Ericsson AB 1996-2021. All Rights Reserved.
+# Copyright Ericsson AB 1996-2022. 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.
@@ -40,3 +40,11 @@ DIA_PLT_APPS=compiler crypto
 TEST_NEEDS_RELEASE=true
 
 include $(ERL_TOP)/make/app_targets.mk
+
+# Enable feature maybe_expr in runtime when running tests.
+# This is very non local and somewhat ugly.
+.PHONY: test
+test:
+	$(MAKE) TEST_NEEDS_RELEASE=$(TEST_NEEDS_RELEASE) \
+		ERL_ARGS="-enable-feature maybe_expr $(ERL_ARGS)"    \
+		-f $(ERL_TOP)/make/app_targets.mk $@
diff --git a/lib/stdlib/test/Makefile b/lib/stdlib/test/Makefile
index 382efd2803..18d3a083a3 100644
--- a/lib/stdlib/test/Makefile
+++ b/lib/stdlib/test/Makefile
@@ -118,10 +118,8 @@ RELSYSDIR = $(RELEASE_PATH)/stdlib_test
 # FLAGS
 # ----------------------------------------------------
 
-MAYBE_OPT = '+{enable_feature,maybe_expr}'
-ERL_MAKE_FLAGS +=
 ERL_COMPILE_FLAGS += -I$(ERL_TOP)/lib/kernel/include \
-		-I$(ERL_TOP)/lib/stdlib/include $(MAYBE_OPT)
+		-I$(ERL_TOP)/lib/stdlib/include
 
 EBIN = .
 
diff --git a/lib/stdlib/test/beam_lib_SUITE.erl b/lib/stdlib/test/beam_lib_SUITE.erl
index b41cfdd641..a2e4aa6650 100644
--- a/lib/stdlib/test/beam_lib_SUITE.erl
+++ b/lib/stdlib/test/beam_lib_SUITE.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1997-2021. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2022. 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.
@@ -453,7 +453,8 @@ strip_add_chunks(Conf) when is_list(Conf) ->
     compare_chunks(B1, NB1, NBId1),
 
     %% Keep all the extra chunks
-    ExtraChunks = ["Abst" , "Dbgi" , "Attr" , "CInf" , "LocT" , "Atom" ],
+    ExtraChunks = ["Abst", "Dbgi", "Attr", "CInf", "LocT", "Atom",
+                   "Meta"],
     {ok, {simple, AB1}} = beam_lib:strip(B1, ExtraChunks),
     ABId1 = chunk_ids(AB1),
     true = length(BId1) == length(ABId1),
diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl
index 8e800f8112..3a62b79135 100644
--- a/lib/stdlib/test/epp_SUITE.erl
+++ b/lib/stdlib/test/epp_SUITE.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1998-2021. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2022. 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.
@@ -816,7 +816,8 @@ otp_8130(Config) when is_list(Config) ->
                                "t() -> ?a.\n"),
     {ok,Epp} = epp:open(File, []),
     PreDefMacs = macs(Epp),
-    ['BASE_MODULE','BASE_MODULE_STRING','BEAM','FILE',
+    ['BASE_MODULE','BASE_MODULE_STRING','BEAM',
+     'FEATURE_AVAILABLE', 'FEATURE_ENABLED','FILE',
      'FUNCTION_ARITY','FUNCTION_NAME',
      'LINE','MACHINE','MODULE','MODULE_STRING',
      'OTP_RELEASE'] = PreDefMacs,
@@ -2115,7 +2116,11 @@ run_test(Config, Test0, Opts0) ->
     Opts = [return, {i,PrivDir},{outdir,PrivDir}] ++ Opts0,
     {ok, epp_test, []} = compile:file(File, Opts),
     AbsFile = filename:rootname(File, ".erl"),
+    %% FIXME For now, use firbidden feature at rumtime
+    erl_features:enable_feature(maybe_expr),
     {module, epp_test} = code:load_abs(AbsFile, epp_test),
+    %% FIXME For now, use firbidden feature at rumtime
+    erl_features:disable_feature(maybe_expr),
     Reply = epp_test:t(),
     code:purge(epp_test),
     Reply.
diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl
index b60cba9b4d..00a56d8a2b 100644
--- a/lib/stdlib/test/erl_eval_SUITE.erl
+++ b/lib/stdlib/test/erl_eval_SUITE.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %% 
-%% Copyright Ericsson AB 1998-2021. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2022. 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.
@@ -18,6 +18,7 @@
 %% %CopyrightEnd%
 
 -module(erl_eval_SUITE).
+-feature(enable, maybe_expr).
 -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, 
 	 init_per_testcase/2, end_per_testcase/2,
 	 init_per_group/2,end_per_group/2]).
diff --git a/lib/syntax_tools/test/syntax_tools_SUITE.erl b/lib/syntax_tools/test/syntax_tools_SUITE.erl
index 2ffec12740..623e79b207 100644
--- a/lib/syntax_tools/test/syntax_tools_SUITE.erl
+++ b/lib/syntax_tools/test/syntax_tools_SUITE.erl
@@ -412,18 +412,20 @@ test_prettypr([File|Files],DataDir,PrivDir) ->
 test_epp_dodger([], _, _) -> ok;
 test_epp_dodger([Filename|Files],DataDir,PrivDir) ->
     io:format("Parsing ~p~n", [Filename]),
+    Options  = [{enable_feature, maybe_expr}],
     InFile   = filename:join(DataDir, Filename),
-    Parsers  = [{fun epp_dodger:parse_file/1,parse_file},
-		{fun epp_dodger:quick_parse_file/1,quick_parse_file},
+    Parsers  = [{fun(File) -> epp_dodger:parse_file(File, Options) end,parse_file},
+		{fun(File) -> epp_dodger:quick_parse_file(File,
+                                                          Options) end,quick_parse_file},
 		{fun (File) ->
 			{ok,Dev} = file:open(File,[read]),
-			Res = epp_dodger:parse(Dev),
+			Res = epp_dodger:parse(Dev, Options),
 			file:close(File),
 			Res
 		 end, parse},
 		{fun (File) ->
 			{ok,Dev} = file:open(File,[read]),
-			Res = epp_dodger:quick_parse(Dev),
+			Res = epp_dodger:quick_parse(Dev, Options),
 			file:close(File),
 			Res
 		 end, quick_parse}],
@@ -619,11 +621,7 @@ p_run_loop(Test, List, N, Refs0, Errors0) ->
     end.
 
 res_word_option() ->
-    %% FIXME: When the experimental features EEP has been implemented, we should
-    %% dig out all keywords defined in all features.
-    ResWordFun =
-        fun('maybe') -> true;
-           ('else') -> true;
-           (Other) -> erl_scan:reserved_word(Other)
-        end,
+    Options = [{enable_feature, maybe_expr}],
+    {ok, {_Ftrs, ResWordFun}} =
+        erl_features:keyword_fun(Options, fun erl_scan:f_reserved_word/1),
     {reserved_word_fun, ResWordFun}.
-- 
2.34.1

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File 3544-features-test-Adjust-tests-to-features-implementatio.patch of Package erlang (Revision 2b8d27ae7717c343be1a05a52e3dc269)

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