The R13B03 release.OTP_R13B03

1 files changed, 75 insertions, 0 deletions

diff --git a/lib/compiler/test/test_lib.erl b/lib/compiler/test/test_lib.erl
new file mode 100644
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+++ b/lib/compiler/test/test_lib.erl
@@ -0,0 +1,75 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2003-2009. 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(test_lib).
+
+-include("test_server.hrl").
+
+-export([recompile/1,opt_opts/1,get_data_dir/1,smoke_disasm/1]).
+
+recompile(Mod) when is_atom(Mod) ->
+    case whereis(cover_server) of
+ 	undefined -> ok;
+	_ ->
+	    %% Re-compile the test suite if the cover server is running.
+	    Beam = code:which(Mod),
+	    Src = filename:rootname(Beam, ".beam") ++ ".erl",
+	    Opts = [bin_opt_info|opt_opts(Mod)],
+	    io:format("Recompiling ~p (~p)\n", [Mod,Opts]),
+	    c:c(Src, [{outdir,filename:dirname(Src)}|Opts])
+    end,
+
+    %% Smoke-test of beam disassembler.
+    smoke_disasm(Mod).
+
+smoke_disasm(Mod) when is_atom(Mod) ->
+    smoke_disasm(code:which(Mod));
+smoke_disasm(File) when is_list(File) ->
+    Res = beam_disasm:file(File),
+    {beam_file,Mod} = {element(1, Res),element(2, Res)}.
+
+%% Retrieve the "interesting" compiler options (options for optimization
+%% and compatibility) for the given module.
+
+opt_opts(Mod) ->
+    Comp = Mod:module_info(compile),
+    {value,{options,Opts}} = lists:keysearch(options, 1, Comp),
+    lists:filter(fun(no_copt) -> true;
+		    (no_postopt) -> true;
+		    (no_float_opt) -> true;
+		    (no_new_funs) -> true;
+		    (no_new_binaries) -> true;
+		    (no_new_apply) -> true;
+		    (no_gc_bifs) -> true;
+		    (no_constant_pool) -> true;
+		    (no_stack_trimming) -> true;
+		    (no_binaries) -> true;
+		    (debug_info) -> true;
+		    (_) -> false
+		 end, Opts).
+
+%% Some test suites gets cloned (e.g. to "record_SUITE" to "record_no_opt_SUITE"),
+%% but the data directory is not cloned. This function retrieves the path to
+%% the original data directory.
+
+get_data_dir(Config) ->
+    Data0 = ?config(data_dir, Config),
+    {ok,Data1,_} = regexp:sub(Data0, "_no_opt_SUITE", "_SUITE"),
+    {ok,Data2,_} = regexp:sub(Data1, "_post_opt_SUITE", "_SUITE"),
+    {ok,Data,_} = regexp:sub(Data2, "_r11_SUITE", "_SUITE"),
+    Data.