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authorErlang/OTP <[email protected]>2010-04-27 13:50:14 +0000
committerErlang/OTP <[email protected]>2010-04-27 13:50:14 +0000
commit9658ff5a3b14bf3189986682023c614077d32143 (patch)
treea685cbf83908ec3c10a10bfb2f67afb7efedc425 /lib/compiler/test/warnings_SUITE.erl
parent3995ae555503cefdfee5ed0d28727c72bdc830f1 (diff)
parentfeed8f6669ee2ca84139d297056857c6b05fa351 (diff)
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Merge branch 'bg/compiler-suppress-result-ignored' into dev
* bg/compiler-suppress-result-ignored: compiler tests: Eliminate "result of expression is ignored" warnings Silence warnings for expressions that are assigned to "_" OTP-8602 bg/compiler-suppress-result-ignored It is now possible to suppress the warning in code such as "list_to_integer(S), ok" by assigning the ignored value "_" like this: "_ = list_to_integer(S), ok".
Diffstat (limited to 'lib/compiler/test/warnings_SUITE.erl')
-rw-r--r--lib/compiler/test/warnings_SUITE.erl17
1 files changed, 11 insertions, 6 deletions
diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl
index 6e60ab88cb..5ed8836c70 100644
--- a/lib/compiler/test/warnings_SUITE.erl
+++ b/lib/compiler/test/warnings_SUITE.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2003-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 2003-2010. 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.
-%%
+%%
%% %CopyrightEnd%
%%
-module(warnings_SUITE).
@@ -375,7 +375,12 @@ effect(Config) when is_list(Config) ->
comp_op ->
X =:= 2;
cookie ->
- erlang:get_cookie()
+ erlang:get_cookie();
+ result_ignore ->
+ _ = list_to_integer(X);
+ warn_lc_4 ->
+ %% No warning because of assignment to _.
+ [_ = abs(Z) || Z <- [1,2,3]]
end,
ok.