1 files changed, 136 insertions, 0 deletions
diff --git a/lib/compiler/test/fun_SUITE.erl b/lib/compiler/test/fun_SUITE.erl
new file mode 100644
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+++ b/lib/compiler/test/fun_SUITE.erl
@@ -0,0 +1,136 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2000-2009. 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(fun_SUITE).
+
+-export([all/1,
+	 test1/1,overwritten_fun/1,otp_7202/1,bif_fun/1]).
+
+-include("test_server.hrl").
+
+all(suite) ->
+    test_lib:recompile(?MODULE),
+    [test1,overwritten_fun,otp_7202,bif_fun].
+
+%%% The help functions below are copied from emulator:bs_construct_SUITE.
+
+-define(T(B, L), {B, ??B, L}).
+
+l1() ->
+    [
+     ?T((begin A = 3, F = fun(A) -> 1; (_) -> 2 end, F(2) end), 1),
+     ?T((begin G = fun(1=0) -> ok end, {'EXIT',_} = (catch G(2)), ok end), ok)
+    ].
+
+test1(suite) -> [];
+test1(Config) when is_list(Config) ->
+    ?line lists:foreach(fun one_test/1, eval_list(l1(), [])),
+    ok.
+
+evaluate(Str, Vars) ->
+    {ok,Tokens,_} =
+	erl_scan:string(Str ++ " . "),
+    {ok, [Expr]} = erl_parse:parse_exprs(Tokens),
+    case erl_eval:expr(Expr, Vars) of
+	{value, Result, _} ->
+	    Result
+    end.
+
+eval_list([], _Vars) ->
+    [];
+eval_list([{C_bin, Str, Bytes} | Rest], Vars) ->
+    case catch evaluate(Str, Vars) of
+	{'EXIT', Error} ->
+	    io:format("Evaluation error: ~p, ~p, ~p~n", [Str, Vars, Error]),
+	    exit(Error);
+	E_bin ->
+	    [{C_bin, E_bin, Str, Bytes} | eval_list(Rest, Vars)]
+    end.
+
+one_test({C, E, Str, Correct}) ->
+    io:format("  ~s, ~p~n", [Str, Correct]),
+    if
+	C == Correct ->
+	    ok;
+	true ->
+	    io:format("ERROR: Compiled: ~p. Expected ~p. Got ~p.~n",
+		      [Str, Correct, C]),
+	    test_server:fail(comp)
+    end,
+    if
+	E == Correct ->
+	    ok;
+	true ->
+	    io:format("ERROR: Interpreted: ~p. Expected ~p. Got ~p.~n",
+		      [Str, Correct, E]),
+	    test_server:fail(comp)
+    end.
+
+-record(b, {c}).
+
+%% OTP-7102. (Thanks to Simon Cornish.)
+
+overwritten_fun(Config) when is_list(Config) ->
+    ?line {a2,a} = overwritten_fun_1(a),
+    ?line {a2,{b,c}} = overwritten_fun_1(#b{c=c}),
+    ?line one = overwritten_fun_1(#b{c=[]}),
+    ok.
+
+overwritten_fun_1(A) ->
+    F = fun() ->
+		{ok, A}
+	end,
+    if A#b.c == [] ->
+	    one;
+       true ->
+	    case F() of
+		{ok, A2} ->
+		    {a2, A2};
+		_ ->
+		    three
+	    end
+    end.
+
+%% OTP-7202. The liveness calculation for the make_fun2 instruction was wrong.
+
+otp_7202(Config) when is_list(Config) ->
+    otp_7202().
+
+otp_7202() ->
+    List = [a],
+    Error = case otp_7202_func() of
+                no_value -> true;
+                {ok, V} -> V
+             end,
+    lists:foreach(fun(_E) ->
+                          case Error of
+                              true ->
+                                  ok;
+                              false ->
+                                  ok
+                          end
+                  end, List).
+
+otp_7202_func() ->
+    no_value.
+    
+bif_fun(Config) when is_list(Config) ->
+    ?line F = fun abs/1,
+    ?line 5 = F(-5),
+    ok.
+