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-rw-r--r--erts/emulator/test/beam_SUITE.erl154
1 files changed, 96 insertions, 58 deletions
diff --git a/erts/emulator/test/beam_SUITE.erl b/erts/emulator/test/beam_SUITE.erl
index 60339ea422..6a54fa87e0 100644
--- a/erts/emulator/test/beam_SUITE.erl
+++ b/erts/emulator/test/beam_SUITE.erl
@@ -1,18 +1,19 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1998-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2016. 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/.
+%% 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
%%
-%% 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.
+%% 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%
%%
@@ -23,17 +24,19 @@
init_per_group/2,end_per_group/2,
packed_registers/1, apply_last/1, apply_last_bif/1,
buildo_mucho/1, heap_sizes/1, big_lists/1, fconv/1,
- select_val/1]).
+ select_val/1, swap_temp_apply/1]).
--export([applied/2]).
+-export([applied/2,swap_temp_applied/1]).
--include_lib("test_server/include/test_server.hrl").
+-include_lib("common_test/include/ct.hrl").
+-include_lib("syntax_tools/include/merl.hrl").
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[packed_registers, apply_last, apply_last_bif,
- buildo_mucho, heap_sizes, big_lists, select_val].
+ buildo_mucho, heap_sizes, big_lists, select_val,
+ swap_temp_apply].
groups() ->
[].
@@ -60,15 +63,15 @@ apply_last(Config) when is_list(Config) ->
{Pid, finished} ->
stack_size(Pid)
after 30000 ->
- ?t:fail("applied/2 timed out.")
+ ct:fail("applied/2 timed out.")
end,
Pid ! die,
- ?t:format("Size: ~p~n", [Size]),
+ io:format("Size: ~p~n", [Size]),
if
Size < 700 ->
ok;
true ->
- ?t:fail("10000 apply() grew stack too much.")
+ ct:fail("10000 apply() grew stack too much.")
end,
ok.
@@ -91,49 +94,46 @@ applied(Starter, N) ->
apply_last_bif(Config) when is_list(Config) ->
apply(erlang, abs, [1]).
-%% Test three high register numbers in a put_list instruction
-%% (to test whether packing works properly).
+%% Test whether packing works properly.
packed_registers(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
- Mod = packed_regs,
- Name = filename:join(PrivDir, atom_to_list(Mod) ++ ".erl"),
-
- %% Generate a module which generates a list of tuples.
- %% put_list(A) -> [{A, 600}, {A, 999}, ... {A, 0}].
- Code = gen_packed_regs(600, ["-module("++atom_to_list(Mod)++").\n",
- "-export([put_list/1]).\n",
- "put_list(A) ->\n["]),
- ok = file:write_file(Name, Code),
-
- %% Compile the module.
- io:format("Compiling: ~s\n", [Name]),
- CompRc = compile:file(Name, [{outdir, PrivDir}, report]),
- io:format("Result: ~p\n",[CompRc]),
- {ok, Mod} = CompRc,
-
- %% Load it.
- io:format("Loading...\n",[]),
- LoadRc = code:load_abs(filename:join(PrivDir, atom_to_list(Mod))),
- {module,_Module} = LoadRc,
-
- %% Call it and verify result.
- Term = {a, b},
- L = Mod:put_list(Term),
- verify_packed_regs(L, Term, 600),
+ Mod = ?FUNCTION_NAME,
+
+ %% Generate scrambled sequence.
+ Seq0 = [{erlang:phash2(I),I} || I <- lists:seq(0, 260)],
+ Seq = [I || {_,I} <- lists:sort(Seq0)],
+
+ %% Generate a test modules that uses get_list/3 instructions
+ %% with high register numbers.
+ S0 = [begin
+ VarName = list_to_atom("V"++integer_to_list(V)),
+ {merl:var(VarName),V}
+ end || V <- Seq],
+ Vars = [V || {V,_} <- S0],
+ NewVars = [begin
+ VarName = list_to_atom("M"++integer_to_list(V)),
+ merl:var(VarName)
+ end || V <- Seq],
+ S = [?Q("_@Var = id(_@Value@)") || {Var,Value} <- S0],
+ Code = ?Q(["-module('@Mod@').\n"
+ "-export([f/0]).\n"
+ "f() ->\n"
+ "_@S,\n"
+ "_ = id(0),\n"
+ "L = [_@Vars],\n"
+ "_ = id(1),\n"
+ "[_@NewVars] = L,\n" %Test get_list/3.
+ "_ = id(2),\n"
+ "id([_@Vars,_@NewVars]).\n"
+ "id(I) -> I.\n"]),
+ merl:compile_and_load(Code),
+ CombinedSeq = Seq ++ Seq,
+ CombinedSeq = Mod:f(),
+
+ %% Clean up.
+ true = code:delete(Mod),
+ false = code:purge(Mod),
ok.
-gen_packed_regs(0, Acc) ->
- [Acc|"{A,0}].\n"];
-gen_packed_regs(N, Acc) ->
- gen_packed_regs(N-1, [Acc,"{A,",integer_to_list(N)|"},\n"]).
-
-verify_packed_regs([], _, -1) -> ok;
-verify_packed_regs([{Term, N}| T], Term, N) ->
- verify_packed_regs(T, Term, N-1);
-verify_packed_regs(L, Term, N) ->
- ok = io:format("Expected [{~p, ~p}|T]; got\n~p\n", [Term, N, L]),
- test_server:fail().
-
buildo_mucho(Config) when is_list(Config) ->
buildo_mucho_1(),
ok.
@@ -318,7 +318,7 @@ fconv(Config) when is_list(Config) ->
do_fconv(Type) ->
try
do_fconv(Type, 1.0),
- test_server:fail()
+ ct:fail(no_badarith)
catch
error:badarith ->
ok
@@ -346,3 +346,41 @@ do_select_val(X) ->
Int when is_integer(Int) ->
integer
end.
+
+swap_temp_apply(_Config) ->
+ {swap_temp_applied,42} = do_swap_temp_apply(41),
+ not_an_integer = do_swap_temp_apply(not_an_integer),
+ ok.
+
+do_swap_temp_apply(Msg) ->
+ case swap_temp_apply_function(Msg) of
+ undefined -> Msg;
+ Type ->
+ %% The following sequence:
+ %% move {x,0} {x,2}
+ %% move {y,0} {x,0}
+ %% move {x,2} {y,0}
+ %% apply 1
+ %%
+ %% Would be incorrectly transformed to:
+ %% swap {x,0} {y,0}
+ %% apply 1
+ %%
+ %% ({x,1} is the module, {x,2} the function to be applied).
+ %%
+ %% If the instructions are to be transformed, the correct
+ %% transformation is:
+ %%
+ %% swap_temp {x,0} {y,0} {x,2}
+ %% apply 1
+ Fields = ?MODULE:Type(Msg),
+ {Type,Fields}
+ end.
+
+swap_temp_apply_function(Int) when is_integer(Int) ->
+ swap_temp_applied;
+swap_temp_apply_function(_) ->
+ undefined.
+
+swap_temp_applied(Int) ->
+ Int+1.
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-21 07:45:12 +0000