From 16b93b98516df3fcc79a52847fa89fdda5b187c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20H=C3=B6gberg?= <john@erlang.org>
Date: Fri, 5 Oct 2018 10:05:59 +0200
Subject: epp: Allow user to set source name independently of input file name

Note that this does *not* affect -include()'d files or the -file()
directive.
---
 lib/stdlib/test/epp_SUITE.erl                  | 16 +++++++++++++--
 lib/stdlib/test/epp_SUITE_data/source_name.erl | 27 ++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 2 deletions(-)
 create mode 100644 lib/stdlib/test/epp_SUITE_data/source_name.erl

(limited to 'lib/stdlib/test')

diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl
index a3e294ffea..0ac99ad03a 100644
--- a/lib/stdlib/test/epp_SUITE.erl
+++ b/lib/stdlib/test/epp_SUITE.erl
@@ -29,7 +29,7 @@
          otp_8562/1, otp_8665/1, otp_8911/1, otp_10302/1, otp_10820/1,
          otp_11728/1, encoding/1, extends/1,  function_macro/1,
 	 test_error/1, test_warning/1, otp_14285/1,
-	 test_if/1]).
+	 test_if/1,source_name/1]).
 
 -export([epp_parse_erl_form/2]).
 
@@ -70,7 +70,7 @@ all() ->
      overload_mac, otp_8388, otp_8470, otp_8562,
      otp_8665, otp_8911, otp_10302, otp_10820, otp_11728,
      encoding, extends, function_macro, test_error, test_warning,
-     otp_14285, test_if].
+     otp_14285, test_if, source_name].
 
 groups() -> 
     [{upcase_mac, [], [upcase_mac_1, upcase_mac_2]},
@@ -1702,6 +1702,18 @@ function_macro(Config) ->
 
     ok.
 
+source_name(Config) when is_list(Config) ->
+    DataDir = proplists:get_value(data_dir, Config),
+    File = filename:join(DataDir, "source_name.erl"),
+
+    source_name_1(File, "/test/gurka.erl"),
+    source_name_1(File, "gaffel.erl"),
+
+    ok.
+
+source_name_1(File, Expected) ->
+    Res = epp:parse_file(File, [{source_name, Expected}]),
+    {ok, [{attribute,_,file,{Expected,_}} | _Forms]} = Res.
 
 check(Config, Tests) ->
     eval_tests(Config, fun check_test/2, Tests).
diff --git a/lib/stdlib/test/epp_SUITE_data/source_name.erl b/lib/stdlib/test/epp_SUITE_data/source_name.erl
new file mode 100644
index 0000000000..71ad2dddb9
--- /dev/null
+++ b/lib/stdlib/test/epp_SUITE_data/source_name.erl
@@ -0,0 +1,27 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 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.
+%% 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%
+%%
+
+-module(source_name).
+-export([ok/0]).
+
+%% Changing source name should not affect headers
+-include("bar.hrl").
+
+ok() -> ok.
-- 
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