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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2001-2009. 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(cover_SUITE).
+
+-export([all/1]).
+-export([start/1, compile/1, analyse/1, misc/1, stop/1,
+ distribution/1, export_import/1,
+ otp_5031/1, eif/1, otp_5305/1, otp_5418/1, otp_6115/1, otp_7095/1,
+ otp_8188/1, otp_8270/1, otp_8273/1, otp_8340/1]).
+
+-include("test_server.hrl").
+
+%%----------------------------------------------------------------------
+%% The following directory structure is assumed:
+%% cwd __________________________________________
+%% | \ \ \ \ \ \ \
+%% a b cc d f d1 compile_beam_____ otp_6115
+%% | \ \ \ \ \ \ \
+%% e crypt v w x d f1 f2
+%% |
+%% y
+%%----------------------------------------------------------------------
+
+all(suite) ->
+ case whereis(cover_server) of
+ undefined ->
+ [start, compile, analyse, misc, stop, distribution,
+ export_import,
+ otp_5031, eif, otp_5305, otp_5418, otp_6115, otp_7095,
+ otp_8188, otp_8270, otp_8273, otp_8340];
+ _pid ->
+ {skip,"It looks like the test server is running cover. "
+ "Can't run cover test."}
+ end.
+
+start(suite) -> [];
+start(Config) when is_list(Config) ->
+ ?line ok = file:set_cwd(?config(data_dir, Config)),
+
+ ?line Files = lsfiles(),
+ ?line remove(files(Files, ".out")),
+
+ ?line {ok, Pid} = cover:start(),
+ ?line {error, {already_started, Pid}} = cover:start().
+
+compile(suite) -> [];
+compile(Config) when is_list(Config) ->
+ ?line ok = file:set_cwd(?config(data_dir, Config)),
+
+ ?line Result1 = cover:compile_directory(),
+ ?line SortedResult = lists:sort(Result1),
+ ?line {ok, CWD} = file:get_cwd(),
+ ?line Result2 = cover:compile_directory(CWD),
+ ?line SortedResult = lists:sort(Result2),
+ ?line [{error,_DFile},{ok,a},{ok,b},{ok,cc},{ok,f}] = SortedResult,
+ ?line [{ok,e}] = cover:compile_directory("d1"),
+ ?line {error,enoent} = cover:compile_directory("d2"),
+
+ ?line {ok,a} = cover:compile(a),
+ ?line {ok,b} = compile:file(b),
+ ?line code:purge(b),
+ ?line {module,b} = code:load_file(b),
+ ?line {ok,d} = cover:compile("d.erl", [{d,'AGE',42}]),
+ ?line {error,_BBFile} = cover:compile(bb),
+
+ ?line StdlibDir = code:lib_dir(stdlib),
+ ?line Lists = filename:join([StdlibDir, "src", "lists.erl"]),
+ ?line {error, Lists} = cover:compile(Lists),
+
+ %% For compiling beam: using dummy files v,w,x,y and z
+ ?line file:set_cwd("compile_beam"),
+ ?line {ok,_} = compile:file(v,[debug_info,report]),
+ ?line {ok,_} = compile:file(w,[debug_info,report]),
+ ?line {ok,_} = compile:file(x),
+ ?line {ok,_} = compile:file("d/y",[debug_info,{outdir,"d"},report]),
+ ?line Key = "A Krypto Key",
+ ?line {ok,_} = compile:file(crypt, [debug_info,{debug_info_key,Key},report]),
+ ?line {ok,v} = cover:compile_beam(v),
+ ?line {ok,w} = cover:compile_beam("w.beam"),
+ ?line {error,{encrypted_abstract_code,_}} =
+ cover:compile_beam("crypt.beam"),
+ ?line ok = beam_lib:crypto_key_fun(simple_crypto_fun(Key)),
+ ?line {ok,crypt} = cover:compile_beam("crypt.beam"),
+ ?line {error,{no_abstract_code,"./x.beam"}} = cover:compile_beam(x),
+ ?line {error,{already_cover_compiled,no_beam_found,a}}=cover:compile_beam(a),
+ ?line {error,non_existing} = cover:compile_beam(z),
+ ?line [{ok,y}] = cover:compile_beam_directory("d"),
+ ?line Result3 = lists:sort(cover:compile_beam_directory()),
+ ?line [{error,{no_abstract_code,_XBeam}},{ok,crypt},{ok,v},{ok,w}] = Result3,
+ ?line {error,enoent} = cover:compile_beam_directory("d2"),
+ ?line decompile([v,w,y]),
+ ?line Files = lsfiles(),
+ ?line remove(files(Files, ".beam")).
+
+simple_crypto_fun(Key) ->
+ fun(init) -> ok;
+ ({debug_info, des3_cbc, crypt, _}) -> Key
+ end.
+
+analyse(suite) -> [];
+analyse(Config) when is_list(Config) ->
+ ?line ok = file:set_cwd(?config(data_dir, Config)),
+
+ ?line done = a:start(5),
+
+ ?line {ok, {a,{17,2}}} = cover:analyse(a, coverage, module),
+ ?line {ok, [{{a,start,1},{6,0}},
+ {{a,stop,1},{0,1}},
+ {{a,pong,1},{1,0}},
+ {{a,loop,3},{5,1}},
+ {{a,trycatch,1},{4,0}},
+ {{a,exit_kalle,0},{1,0}}]} = cover:analyse(a, coverage, function),
+ ?line {ok, [{{a,start,1,1},{6,0}},
+ {{a,stop,1,1},{0,1}},
+ {{a,pong,1,1},{1,0}},
+ {{a,loop,3,1},{3,1}},
+ {{a,loop,3,2},{2,0}},
+ {{a,trycatch,1,1},{4,0}},
+ {{a,exit_kalle,0,1},{1,0}}]} = cover:analyse(a, coverage, clause),
+ ?line {ok, [{{a,9},{1,0}},
+ {{a,10},{1,0}},
+ {{a,11},{1,0}},
+ {{a,13},{1,0}},
+ {{a,14},{1,0}},
+ {{a,15},{1,0}},
+ {{a,21},{0,1}},
+ {{a,26},{1,0}},
+ {{a,31},{1,0}},
+ {{a,32},{1,0}},
+ {{a,34},{1,0}},
+ {{a,36},{0,1}},
+ {{a,39},{1,0}},
+ {{a,40},{1,0}},
+ {{a,44},{1,0}},
+ {{a,47},{1,0}},
+ {{a,49},{1,0}},
+ {{a,51},{1,0}},
+ {{a,55},{1,0}}]} = cover:analyse(a, coverage, line),
+
+ ?line {ok, {a,15}} = cover:analyse(a, calls, module),
+ ?line {ok, [{{a,start,1},1},
+ {{a,stop,1},0},
+ {{a,pong,1},5},
+ {{a,loop,3},6},
+ {{a,trycatch,1},2},
+ {{a,exit_kalle,0},1}]} = cover:analyse(a, calls, function),
+ ?line {ok, [{{a,start,1,1},1},
+ {{a,stop,1,1},0},
+ {{a,pong,1,1},5},
+ {{a,loop,3,1},5},
+ {{a,loop,3,2},1},
+ {{a,trycatch,1,1},2},
+ {{a,exit_kalle,0,1},1}]} = cover:analyse(a, calls, clause),
+ ?line {ok, [{{a,9},1},
+ {{a,10},1},
+ {{a,11},1},
+ {{a,13},1},
+ {{a,14},1},
+ {{a,15},1},
+ {{a,21},0},
+ {{a,26},5},
+ {{a,31},5},
+ {{a,32},5},
+ {{a,34},5},
+ {{a,36},0},
+ {{a,39},1},
+ {{a,40},1},
+ {{a,44},2},
+ {{a,47},1},
+ {{a,49},1},
+ {{a,51},2},
+ {{a,55},1}]} = cover:analyse(a, calls, line),
+
+ ?line {ok, [{{a,start,1},{6,0}},
+ {{a,stop,1},{0,1}},
+ {{a,pong,1},{1,0}},
+ {{a,loop,3},{5,1}},
+ {{a,trycatch,1},{4,0}},
+ {{a,exit_kalle,0},{1,0}}]} = cover:analyse(a),
+ ?line {ok, {a,{17,2}}} = cover:analyse(a, module),
+ ?line {ok, [{{a,start,1},1},
+ {{a,stop,1},0},
+ {{a,pong,1},5},
+ {{a,loop,3},6},
+ {{a,trycatch,1},2},
+ {{a,exit_kalle,0},1}]} = cover:analyse(a, calls),
+
+ ?line {ok, "a.COVER.out"} = cover:analyse_to_file(a),
+ ?line {ok, "e.COVER.out"} = cover:analyse_to_file(e),
+ ?line {ok, "a.COVER.html"} = cover:analyse_to_file(a,[html]),
+ ?line {ok, "e.COVER.html"} = cover:analyse_to_file(e,[html]),
+
+ %% analyse_to_file of file which is compiled from beam
+ ?line {ok,f} = compile:file(f,[debug_info]),
+ ?line code:purge(f),
+ ?line {module,f} = code:load_file(f),
+ ?line {ok,f} = cover:compile_beam(f),
+ ?line f:f2(),
+ ?line {ok, "f.COVER.out"} = cover:analyse_to_file(f),
+
+ %% Source code cannot be found by analyse_to_file
+ ?line {ok,v} = compile:file("compile_beam/v",[debug_info]),
+ ?line code:purge(v),
+ ?line {module,v} = code:load_file(v),
+ ?line {ok,v} = cover:compile_beam(v),
+ ?line {error,no_source_code_found} = cover:analyse_to_file(v),
+
+ ?line {error,{not_cover_compiled,b}} = cover:analyse(b),
+ ?line {error,{not_cover_compiled,g}} = cover:analyse(g),
+ ?line {error,{not_cover_compiled,b}} = cover:analyse_to_file(b),
+ ?line {error,{not_cover_compiled,g}} = cover:analyse_to_file(g).
+
+misc(suite) -> [];
+misc(Config) when is_list(Config) ->
+ ?line ok = file:set_cwd(?config(data_dir, Config)),
+
+ ?line [a,cc,crypt,d,e,f,v] = lists:sort(cover:modules()),
+
+ ?line {ok,cc} = compile:file(cc),
+ ?line code:purge(cc),
+ ?line {module,cc} = code:load_file(cc),
+ ?line [a,crypt,d,e,f,v] = lists:sort(cover:modules()),
+
+ ?line {file, _File} = cover:is_compiled(a),
+ ?line false = cover:is_compiled(b),
+ ?line false = cover:is_compiled(g),
+
+ ?line ok = cover:reset(a),
+ ?line {ok, {a,{0,19}}} = cover:analyse(a, module),
+ ?line ok = cover:reset().
+
+stop(suite) -> [];
+stop(Config) when is_list(Config) ->
+ ?line ok = file:set_cwd(?config(data_dir, Config)),
+
+ ?line cover_compiled = code:which(a),
+ ?line {ok,d} = compile:file(d, [{d,'AGE',42}]),
+ ?line code:purge(d),
+ ?line {module,d} = code:load_file(d),
+ ?line ok = cover:stop(),
+ ?line Beam = code:which(a),
+ ?line true = is_unloaded(Beam),
+
+ ?line Files = lsfiles(),
+ ?line remove(files(Files, ".out")),
+ ?line remove(files(Files, ".html")),
+ ?line remove(files(Files, ".beam")).
+
+distribution(suite) -> [];
+distribution(Config) when is_list(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+ ?line ok = file:set_cwd(DataDir),
+
+ ?line {ok,N1} = ?t:start_node(cover_SUITE_distribution1,slave,[]),
+ ?line {ok,N2} = ?t:start_node(cover_SUITE_distribution2,slave,[]),
+ ?line {ok,N3} = ?t:start_node(cover_SUITE_distribution3,slave,[]),
+
+ %% Check that an already compiled module is loaded on new nodes
+ ?line {ok,f} = cover:compile(f),
+ ?line {ok,[_,_,_]} = cover:start(nodes()),
+ ?line cover_compiled = code:which(f),
+ ?line cover_compiled = rpc:call(N1,code,which,[f]),
+ ?line cover_compiled = rpc:call(N2,code,which,[f]),
+ ?line cover_compiled = rpc:call(N3,code,which,[f]),
+
+ %% Check that a node cannot be started twice
+ ?line {ok,[]} = cover:start(N2),
+
+ %% Check that the current node (i.e. the main node) is not started with
+ %% start/1 and not stopped with stop/1
+ ?line {ok,[]} = cover:start(node()),
+ ?line ok = cover:stop(node()),
+ ?line true = is_pid(whereis(cover_server)),
+
+ %% Check that a new compiled module is loaded on all existing nodes
+ ?line compile:file("compile_beam/v",[debug_info]),
+ ?line {ok,v} = cover:compile_beam(v),
+ ?line cover_compiled = code:which(v),
+ ?line cover_compiled = rpc:call(N1,code,which,[v]),
+ ?line cover_compiled = rpc:call(N2,code,which,[v]),
+ ?line cover_compiled = rpc:call(N3,code,which,[v]),
+
+ %% this is lost when the node is killed
+ ?line rpc:call(N3,f,f2,[]),
+ ?line rpc:call(N3,erlang,halt,[]),
+
+ %% this should be visible in analyse
+ ?line rpc:call(N1,f,f1,[]),
+
+ %% Check that data is collected from remote node when stopped
+ ?line ok = cover:stop(N1),
+ ?line N1Beam = rpc:call(N1,code,which,[f]),
+ ?line true = is_unloaded(N1Beam),
+ ?line check_f_calls(1,0),
+
+ %% Call f:f1() again on another node and check that number of calls is
+ %% accumulated.
+ ?line f:f1(),
+ ?line check_f_calls(2,0),
+
+ %% Check that reset works on all nodes
+ ?line f:f1(),
+ ?line rpc:call(N2,f,f1,[]),
+ ?line ok = cover:reset(f),
+ ?line check_f_calls(0,0),
+
+ %% Check that data is collected from all nodes
+ ?line rpc:call(N2,f,f1,[]),
+ ?line f:f2(),
+ ?line check_f_calls(1,1),
+
+ %% Check that same data is not fetched again (i.e. that analyse does
+ %% reset on the remote node(s))
+ ?line check_f_calls(1,1),
+
+ %% Check that stop() unloads on all nodes
+ ?line ok = cover:stop(),
+ ?line LocalBeam = code:which(f),
+ ?line N2Beam = rpc:call(N2,code,which,[f]),
+ ?line true = is_unloaded(LocalBeam),
+ ?line true = is_unloaded(N2Beam),
+
+ %% Check that cover_server on remote node dies if main node dies
+ ?line {ok,[N1]} = cover:start(N1),
+ ?line true = is_pid(rpc:call(N1,erlang,whereis,[cover_server])),
+ ?line exit(whereis(cover_server),kill),
+ ?line timer:sleep(10),
+ ?line undefined = rpc:call(N1,erlang,whereis,[cover_server]),
+
+ %% Cleanup
+ ?line Files = lsfiles(),
+ ?line remove(files(Files, ".beam")),
+ ?line ?t:stop_node(N1),
+ ?line ?t:stop_node(N2).
+
+
+export_import(suite) -> [];
+export_import(Config) when is_list(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+ ?line ok = file:set_cwd(DataDir),
+
+ %% Export one module
+ ?line {ok,f} = cover:compile(f),
+ ?line f:f1(),
+ %% check that no info is written about where data comes from when no
+ %% files are imported
+ ?line ?t:capture_start(),
+ ?line check_f_calls(1,0),
+ ?line [] = ?t:capture_get(),
+ ?line ?t:capture_stop(),
+ ?line ok = cover:export("f_exported",f),
+ ?line check_f_calls(1,0),
+ ?line ok = cover:stop(),
+
+ %% Check that same data exists after import and that info is written about
+ %% data comming from imported file
+ ?line ok = cover:import("f_exported"),
+ ?line ?t:capture_start(),
+ ?line check_f_calls(1,0),
+ ?line [Text1] = ?t:capture_get(),
+ ?line "Analysis includes data from imported files"++_ = lists:flatten(Text1),
+ ?line ?t:capture_stop(),
+
+ %% Export all modules
+ ?line {ok,a} = cover:compile(a),
+ ?line ?t:capture_start(),
+ ?line ok = cover:export("all_exported"),
+ ?line [Text2] = ?t:capture_get(),
+ ?line "Export includes data from imported files"++_ = lists:flatten(Text2),
+ ?line ?t:capture_stop(),
+ ?line ok = cover:stop(),
+ ?line ok = cover:import("all_exported"),
+ ?line check_f_calls(1,0),
+
+ %% Check that data is reset when module is compiled again, and that
+ %% warning is written when data is deleted for imported module.
+ ?line ?t:capture_start(),
+ ?line {ok,f} = cover:compile(f),
+ ?line timer:sleep(10), % capture needs some time
+ ?line [Text3] = ?t:capture_get(),
+ ?line "WARNING: Deleting data for module f imported from" ++ _ =
+ lists:flatten(Text3),
+ ?line ?t:capture_stop(),
+ ?line check_f_calls(0,0),
+
+ %% Check that data is summed up when first compiled and then imported
+ %% The module which has been compiled (f) is loaded from the file
+ %% all_exported again (since it has been reset during cover compiling),
+ %% but the other module (a) is not loaded since it is already loaded
+ ?line f:f1(),
+ ?line f:f2(),
+ ?line ok = cover:import("f_exported"),
+ ?line ?t:capture_start(),
+ ?line ok = cover:import("all_exported"),
+ ?line [Text4] = ?t:capture_get(), % a is not loaded again
+ ?line "WARNING: Module a already imported from " ++ _ = lists:flatten(Text4),
+ ?line ?t:capture_stop(),
+ ?line check_f_calls(3,1),
+
+ %% Check that warning is written when same file is imported twice,
+ %% and that data is not imported again
+ ?line ?t:capture_start(),
+ ?line ok = cover:import("all_exported"),
+ ?line [Text5,Text6] = ?t:capture_get(),
+ ?line "WARNING: Module f already imported from " ++ _ = lists:flatten(Text5),
+ ?line "WARNING: Module a already imported from " ++ _ = lists:flatten(Text6),
+ ?line ?t:capture_stop(),
+ ?line check_f_calls(3,1),
+
+ %% Check that reset removes all data and that the file which has been
+ %% reset can be imported again with no warning
+ ?line cover:reset(f),
+ ?line check_f_calls(0,0),
+ ?line ?t:capture_start(),
+ ?line ok = cover:import("all_exported"),
+ ?line [Text7] = ?t:capture_get(), % warning only on mod a
+ ?line "WARNING: Module a already imported from " ++ _ = lists:flatten(Text7),
+ ?line ?t:capture_stop(),
+ ?line check_f_calls(1,0),
+
+ %% same as above - only reset all
+ ?line cover:reset(),
+ ?line check_f_calls(0,0),
+ ?line ?t:capture_start(),
+ ?line ok = cover:import("all_exported"),
+ ?line [] = ?t:capture_get(), % no warnings
+ ?line ?t:capture_stop(),
+ ?line check_f_calls(1,0),
+
+ %% Cleanup
+ ?line ok = cover:stop(),
+ ?line Files = lsfiles(),
+ ?line remove(["f_exported","all_exported"|files(Files, ".beam")]).
+
+
+otp_5031(suite) -> [];
+otp_5031(Config) when is_list(Config) ->
+
+ Dog = ?t:timetrap(?t:seconds(10)),
+
+ ?line {ok,N1} = ?t:start_node(cover_SUITE_distribution1,slave,[]),
+ ?line {ok,[N1]} = cover:start(N1),
+ ?line {error,not_main_node} = rpc:call(N1,cover,modules,[]),
+ ?line cover:stop(),
+
+ ?t:timetrap_cancel(Dog),
+ ok.
+
+eif(doc) ->
+ ["Test the \'Exclude Included Functions\' functionality"];
+eif(suite) ->
+ [];
+eif(Config) when is_list(Config) ->
+ ?line ok = file:set_cwd(filename:join(?config(data_dir, Config),
+ "included_functions")),
+ ?line {ok, cover_inc} = compile:file(cover_inc,[debug_info]),
+ ?line {ok, cover_inc} = cover:compile_beam(cover_inc),
+
+ %% This function will cause an included function to be executed.
+ %% The analysis should only show the lines that actually exist
+ %% in cover_inc.beam - not the ones from the included file.
+ ?line cover_inc:func(),
+ ?line {ok, [_, _]} = cover:analyse(cover_inc, line),
+ ?line cover:stop(),
+ ok.
+
+otp_5305(suite) -> [];
+otp_5305(Config) when is_list(Config) ->
+ ?line ok = file:set_cwd(?config(priv_dir, Config)),
+
+ File = "t.erl",
+ Test = <<"-module(t).
+ -export([t/0]).
+ -include_lib(\"stdlib/include/ms_transform.hrl\").
+ t() ->
+ ets:fun2ms(fun(X) -> X end).
+ ">>,
+ ?line ok = file:write_file(File, Test),
+ ?line {ok, t} = cover:compile(File),
+ ?line cover:stop(),
+ ?line ok = file:delete(File),
+
+ ok.
+
+otp_5418(suite) -> [];
+otp_5418(Config) when is_list(Config) ->
+ ?line ok = file:set_cwd(?config(priv_dir, Config)),
+
+ File = "t.erl",
+ Test = <<"-module(t).
+ ">>,
+ ?line ok = file:write_file(File, Test),
+ ?line {ok, t} = cover:compile(File),
+ ?line {ok,{t,{0,0}}} = cover:analyse(t, module),
+ ?line cover:stop(),
+ ?line ok = file:delete(File),
+
+ ok.
+
+otp_6115(suite) -> [];
+otp_6115(Config) when is_list(Config) ->
+ case erlang:system_info(heap_type) of
+ hybrid -> {skip,"Hybrid-heap emulator doesn't keep track of funs"};
+ _ -> otp_6115_1(Config)
+ end.
+
+otp_6115_1(Config) ->
+ ?line {ok, CWD} = file:get_cwd(),
+ ?line Dir = filename:join(?config(data_dir, Config), otp_6115),
+ ?line ok = file:set_cwd(Dir),
+ ?line {ok, f1} = compile:file(f1, [debug_info]),
+ ?line {ok, f2} = compile:file(f2, [debug_info]),
+
+ %% Cover compile f1, but not f2
+ ?line {ok, f1} = cover:compile(f1),
+
+ %% If f1 is cover compiled, a process P is started with a
+ %% reference to the fun created in start_fail/0, and cover:stop() is
+ %% called, then P should be killed.
+ %% This is because (the fun held by P) references the cover
+ %% compiled code which should be *unloaded* when cover:stop() is
+ %% called -- running cover compiled code when there is no cover
+ %% server and thus no ets tables to bump counters in, makes no
+ %% sense.
+ ?line Pid1 = f1:start_fail(),
+
+ %% If f1 is cover compiled, a process P is started with a
+ %% reference to the fun created in start_ok/0, and
+ %% cover:stop() is called, then P should survive.
+ %% This is because (the fun held by) P always references the current
+ %% version of the module, and is thus not affected by the cover
+ %% compiled version being unloaded.
+ ?line Pid2 = f1:start_ok(),
+
+ %% Now stop cover
+ ?line cover:stop(),
+
+ %% Ensure that f1 is loaded (and not cover compiled), that Pid1
+ %% is dead and Pid2 is alive, but with no reference to old code
+ case code:which(f1) of
+ Beam when is_list(Beam) ->
+ ok;
+ Other ->
+ ?line ?t:fail({"f1 is not reloaded", Other})
+ end,
+ case process_info(Pid1) of
+ undefined ->
+ ok;
+ _PI1 ->
+ RefToOldP = erlang:check_process_code(Pid1, f1),
+ ?line ?t:fail({"Pid1 still alive", RefToOldP})
+ end,
+ case process_info(Pid2) of
+ PI2 when is_list(PI2) ->
+ case erlang:check_process_code(Pid2, f2) of
+ false ->
+ ok;
+ true ->
+ ?line ?t:fail("Pid2 has ref to old code")
+ end;
+ undefined ->
+ ?line ?t:fail("Pid2 has died")
+ end,
+
+ ?line file:set_cwd(CWD),
+ ok.
+
+otp_7095(doc) ->
+ ["andalso/orelse"];
+otp_7095(suite) -> [];
+otp_7095(Config) when is_list(Config) ->
+ ?line ok = file:set_cwd(?config(priv_dir, Config)),
+
+ File = "t.erl",
+ Test = <<"-module(t).
+ -export([t/0]).
+ t() ->
+ t1(),
+ t2(),
+ t3(),
+ t4(),
+ t5(),
+ put(t6, 0),
+ 0 = t6(),
+ 1 = erase(t6),
+ t7(),
+ put(t8, 0),
+ {'EXIT',{{badarg,0},_}} = (catch t8()),
+ 1 = erase(t8),
+ t9(),
+ ok.
+
+ t1() ->
+ false % 20
+ andalso
+ true. % 22
+
+ t2() ->
+ true % 25
+ andalso
+ true. % 27
+
+ t3() ->
+ false % 30
+ orelse
+ true. % 32
+
+ t4() ->
+ true % 35
+ orelse
+ true. % 37
+
+ t5() ->
+ true % 40
+ andalso
+ true % 42
+ andalso
+ false. % 44
+
+ t6() ->
+ true andalso % 47
+ add_one(t6). % 48
+
+ t7() ->
+ true % 51
+ andalso
+ false % 53
+ andalso
+ not_ok. % 55
+
+ t8() ->
+ true % 58
+ andalso
+ true % 60
+ andalso
+ add_one(t8) % 62
+ andalso
+ false. % 64
+
+ t9() ->
+ if % 67
+ true ->
+ true % 69
+ andalso
+ false % 71
+ end
+ orelse
+ case ok of % 74
+ true ->
+ a; % 76
+ _ ->
+ true % 78
+ end.
+
+ add_one(T) ->
+ put(T, get(T) + 1). % 82
+ ">>,
+ ?line ok = file:write_file(File, Test),
+ ?line {ok, t} = cover:compile(File),
+ ?line ok = t:t(),
+ ?line {ok,[{{t,4},1},{{t,5},1},{{t,6},1},{{t,7},1},{{t,8},1},{{t,9},1},
+ {{t,10},1},{{t,11},1},{{t,12},1},{{t,13},1},{{t,14},1},
+ {{t,15},1},{{t,16},1},{{t,17},1},
+ {{t,20},1},{{t,22},0},
+ {{t,25},1},{{t,27},1},
+ {{t,30},1},{{t,32},1},
+ {{t,35},1},{{t,37},0},
+ {{t,40},1},{{t,42},1},{{t,44},1},
+ {{t,47},1},{{t,48},1},
+ {{t,51},1},{{t,53},1},{{t,55},0},
+ {{t,58},1},{{t,60},1},{{t,62},1},{{t,64},0},
+ {{t,67},1},{{t,69},1},{{t,71},1},{{t,74},1},
+ {{t,76},0},{{t,78},1},
+ {{t,82},2}]} = cover:analyse(t, calls, line),
+ ?line cover:stop(),
+ ?line ok = file:delete(File),
+
+ ok.
+
+otp_8270(doc) ->
+ ["OTP-8270. Bug."];
+otp_8270(suite) -> [];
+otp_8270(Config) when is_list(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+ ?line ok = file:set_cwd(DataDir),
+
+ ?line PrivDir = ?config(priv_dir, Config),
+
+ As = [{args," -pa " ++ PrivDir}],
+ ?line {ok,N1} = ?t:start_node(cover_n1,slave,As),
+ ?line {ok,N2} = ?t:start_node(cover_n2,slave,As),
+ ?line {ok,N3} = ?t:start_node(cover_n3,slave,As),
+
+ timer:sleep(500),
+ cover:start(nodes()),
+
+ Test = <<
+ "-module(m).\n"
+ "-compile(export_all).\n"
+ "t() -> t(0).\n"
+ "l() ->\n"
+ " catch ets:tab2list(cover_internal_data_table).\n"
+ "t(Sz) ->\n"
+ " case ets:info(cover_internal_data_table, size) of\n"
+ " Sz ->\n"
+ " m:t(Sz); % Not a local call! Newly loaded code is entered.\n"
+ " NSz ->\n"
+ " % error_logger:info_msg(\"~p: ~p ~p change~n L1 ~p~n\", \n"
+ " % [node(), Sz, NSz, l()]),\n"
+ " m:t(NSz)\n"
+ " end.\n">>,
+ ?line _File = c_mod(m, Test, Config),
+ Fun = fun m:t/0,
+ ?line Pid1 = spawn(Fun),
+ ?line Pid2 = spawn(N1, Fun),
+ ?line Pid3 = spawn(N2, Fun),
+ ?line Pid4 = spawn(N3, Fun),
+
+ ?line {ok, m} = cover:compile_beam(m),
+
+ timer:sleep(1000),
+
+ ?line Info = erlang:process_info(Pid1),
+ ?line N1_info = rpc:call(N1, erlang, process_info, [Pid2]),
+ ?line N2_info = rpc:call(N2, erlang, process_info, [Pid3]),
+ ?line N3_info = rpc:call(N3, erlang, process_info, [Pid4]),
+
+ ?line true = is_list(Info),
+ ?line {N1,true} = {N1,is_list(N1_info)},
+ ?line {N2,true} = {N2,is_list(N2_info)},
+ ?line {N3,true} = {N3,is_list(N3_info)},
+
+ ?line ?t:stop_node(N1),
+ ?line ?t:stop_node(N2),
+ ?line ?t:stop_node(N3),
+ ok.
+
+otp_8273(doc) ->
+ ["OTP-8270. Bug."];
+otp_8273(suite) -> [];
+otp_8273(Config) when is_list(Config) ->
+ Test = <<"-module(t).
+ -export([t/0]).
+ t() ->
+ foo = true andalso foo,
+ bar = false orelse bar,
+ ok.
+ ">>,
+ ?line File = cc_mod(t, Test, Config),
+ ?line ok = t:t(),
+ ?line cover:stop(),
+ ?line ok = file:delete(File),
+
+ ok.
+
+otp_8340(doc) ->
+ ["OTP-8340. Bug."];
+otp_8340(suite) -> [];
+otp_8340(Config) when is_list(Config) ->
+ ?line [{{t,1},1},{{t,2},1},{{t,4},1}] =
+ analyse_expr(<<"<< \n"
+ " <<3:2, \n"
+ " SeqId:62>> \n"
+ " || SeqId <- [64] >>">>, Config),
+
+ ok.
+
+otp_8188(doc) ->
+ ["Clauses on the same line."];
+otp_8188(suite) -> [];
+otp_8188(Config) when is_list(Config) ->
+ %% This example covers the bug report:
+ Test = <<"-module(t).
+ -export([test/1]).
+
+ -define(FOOBAR(X),
+ case X of
+ ok -> true;
+ _ -> false
+ end).
+
+ test(X)->
+ _Res =
+ ?FOOBAR(X).
+ ">>,
+ ?line File = cc_mod(t, Test, Config),
+ ?line false = t:test(nok),
+ ?line {ok,[{{t,11},1},{{t,12},1}]} = cover:analyse(t, calls, line),
+ ?line cover:stop(),
+ ?line ok = file:delete(File),
+
+ %% Bit string comprehensions are now traversed;
+ %% the handling of list comprehensions has been improved:
+ comprehension_8188(Config),
+
+ %% Variants of the reported bug:
+ bug_8188(Config),
+ ok.
+
+bug_8188(Cf) ->
+ ?line [{{t,1},1},{{t,2},1},{{t,3},1}] =
+ analyse_expr(<<"A = 3,\n" % 1
+ " case A of\n" % 1
+ " 2 -> two; 3 -> three end, A + 2">>, % 1
+ Cf),
+
+ ?line [{{t,1},1},
+ {{t,2},0},
+ {{t,3},1},
+ {{t,4},1},
+ {{t,5},1},
+ {{t,6},0},
+ {{t,7},1},
+ {{t,9},2}] =
+ analyse_expr(<<"case two() of\n" % 1
+ " 1 -> 2;\n" % 0
+ " _ -> begin 3 end\n" % 1
+ " +\n" % 1
+ " begin 4 end end, case two() of\n" % 1
+ " 1 -> a;\n" % 0
+ " 2 -> b; 3 -> c\n" % 1
+ " end.\n"
+ "two() -> 2">>, Cf), % 2
+
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},1},
+ {{t,4},1}, {{t,5},1}, {{t,6},0}] =
+ analyse_expr(<<" self() ! 1,\n"
+ " receive \n"
+ " X=1 -> a;\n"
+ " X=2 -> b end, case X of \n"
+ " 1 -> a;\n"
+ " 2 -> b\n"
+ " end">>, Cf),
+
+ T0 = <<"t1(X) ->\n "
+ "case X of\n"
+ " 1 -> A=a,B=A,B; % bump Li\n"
+ " 2 -> b; 3 -> case X of % 2 -> b shall bump Li\n"
+ " 3 -> a; % bump Li\n"
+ " 2 -> b end; 4 -> d end, case X of % Li\n"
+ " 1 -> a;\n"
+ " 2 -> b; 3 -> c;\n"
+ " 4 -> d\n"
+ " end">>,
+
+ T1 = [<<"a = t1(1). ">>,T0],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},1}, {{t,4},0},
+ {{t,5},0}, {{t,6},1}, {{t,7},1}, {{t,8},0}, {{t,9},0}] =
+ analyse_expr(T1, Cf),
+
+ T2 = [<<"b = t1(2). ">>,T0],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},0}, {{t,4},1},
+ {{t,5},0}, {{t,6},1}, {{t,7},0}, {{t,8},1}, {{t,9},0}] =
+ analyse_expr(T2, Cf),
+
+ T3 = [<<"c = t1(3). ">>,T0],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},0}, {{t,4},1},
+ {{t,5},1}, {{t,6},1}, {{t,7},0}, {{t,8},1}, {{t,9},0}] =
+ analyse_expr(T3, Cf),
+
+ T4 = [<<"d = t1(4). ">>,T0],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},0}, {{t,4},0},
+ {{t,5},0}, {{t,6},1}, {{t,7},0}, {{t,8},0}, {{t,9},1}] =
+ analyse_expr(T4, Cf),
+
+ ?line [{{t,1},1},{{t,2},1},{{t,3},1},{{t,4},1},{{t,5},1}] =
+ analyse_expr(
+ <<"2 = x3(1). "
+ "x3(X) ->\n"
+ " case X of \n"
+ " 1 -> case X of\n"
+ " 1 -> a, Y = 2;\n"
+ " 2 -> b, Y = 3 end, Y; 2 -> Y = 4 end, Y">>, Cf),
+
+ ?line [{{t,1},1},{{t,2},1},{{t,3},1},{{t,4},1}] =
+ analyse_expr(
+ <<"1 = x4(1). "
+ "x4(X) ->\n"
+ " case X of\n"
+ " 1 -> case X of\n"
+ " 1 -> Y = 1 end, case X of 1 -> Y = 1 end, Y end">>,
+ Cf),
+
+ T10 = <<"t1(X) ->\n"
+ "if\n"
+ " X =:= 1 -> a;\n"
+ " X =:= 2 -> b; X =:= 3 -> c end, case X of \n"
+ " 1 -> a;\n"
+ " 2 -> b; 3 -> c end, case X of\n"
+ " 1 -> a;\n"
+ " 2 -> b; 3 -> c\n"
+ " end">>,
+ T11 = [<<"a = t1(1). ">>,T10],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},1}, {{t,4},1},
+ {{t,5},1}, {{t,6},1}, {{t,7},1}, {{t,8},0}] =
+ analyse_expr(T11, Cf),
+
+ T12 = [<<"b = t1(2). ">>,T10],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},0}, {{t,4},1},
+ {{t,5},0}, {{t,6},1}, {{t,7},0}, {{t,8},1}] =
+ analyse_expr(T12, Cf),
+
+ T13 = [<<"c = t1(3). ">>,T10],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},0}, {{t,4},1},
+ {{t,5},0}, {{t,6},1}, {{t,7},0}, {{t,8},1}] =
+ analyse_expr(T13, Cf),
+
+ T20 = <<"t1(X) ->\n"
+ "case X of\n"
+ " 1 -> a;\n"
+ " 2 -> b; 3 -> case X of\n"
+ " 1 -> a;\n"
+ " 2 -> b; 3 -> c end end, case X of\n"
+ " 1 -> a;\n"
+ " 2 -> b; 3 -> c\n"
+ " end">>,
+
+ T21 = [<<"a = t1(1). ">>,T20],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},1}, {{t,4},0},
+ {{t,5},0}, {{t,6},1}, {{t,7},1}, {{t,8},0}] =
+ analyse_expr(T21, Cf),
+
+ T22 = [<<"b = t1(2). ">>,T20],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},0}, {{t,4},1},
+ {{t,5},0}, {{t,6},1}, {{t,7},0}, {{t,8},1}] =
+ analyse_expr(T22, Cf),
+
+ T23 = [<<"c = t1(3). ">>,T20],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},0}, {{t,4},1},
+ {{t,5},0}, {{t,6},1}, {{t,7},0}, {{t,8},1}] =
+ analyse_expr(T23, Cf),
+
+ T30 = <<
+ "t1(X) ->\n"
+ "case X of\n"
+ " 1 -> a;\n"
+ " 2 -> b; 3 -> case X of 1 -> a; 2 -> b; 3 -> c end end, case X of\n"
+ " 1 -> a;\n"
+ " 2 -> b; 3 -> c\n"
+ " end\n">>,
+
+ T31 = [<<"a = t1(1). ">>,T30],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},1},
+ {{t,4},1}, {{t,5},1}, {{t,6},0}] =
+ analyse_expr(T31, Cf),
+
+ T32 = [<<"b = t1(2). ">>,T30],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},0},
+ {{t,4},1}, {{t,5},0}, {{t,6},1}] =
+ analyse_expr(T32, Cf),
+
+ T33 = [<<"c = t1(3). ">>,T30],
+ ?line [{{t,1},1}, {{t,2},1}, {{t,3},0},
+ {{t,4},1}, {{t,5},0}, {{t,6},1}] =
+ analyse_expr(T33, Cf),
+
+ %% 'try' now traverses the body as a body...
+ ?line [{{t,1},1},{{t,2},1},{{t,3},1},{{t,4},0},{{t,6},1}] =
+ analyse_expr(<<"try \n"
+ " B = 2, \n"
+ " C = erlang:error(foo), \n"
+ " {B,C} \n"
+ "catch _:_ -> \n"
+ " foo \n"
+ "end">>, Cf),
+
+ %% receive after:
+ ?line [{{t,1},1},{{t,2},0},{{t,3},1}] =
+ analyse_expr(<<"receive \n"
+ " X=1 -> a; \n"
+ " X=2 -> b after begin 10 end -> X=3 end">>, Cf),
+ ?line [{{t,1},1},{{t,2},0},{{t,3},1}] =
+ analyse_expr(<<"receive \n"
+ " X=1 -> a; \n"
+ " X=2 -> b after 10 -> begin X=3 end end">>, Cf),
+ ok.
+
+comprehension_8188(Cf) ->
+ ?line [{{t,1},1}] =
+ analyse_expr(<<"[begin X end || X <- [1,2,3], X > 1]">>, Cf),
+ ?line [{{t,1},1},{{t,2},1}] =
+ analyse_expr(<<"[begin X end || \n"
+ " X <- [1,2,3], X > 1]">>, Cf),
+ ?line [{{t,1},1},{{t,2},1},{{t,3},3}] =
+ analyse_expr(<<"[begin X end || \n "
+ " X <- [1,2,3], \n "
+ " X > 1]">>, Cf),
+ ?line [{{t,1},1},{{t,3},1},{{t,4},3}] =
+ analyse_expr(<<"[begin X end || \n "
+ " X <- \n "
+ " [1,2,3], \n "
+ " X > 1]">>, Cf),
+ ?line [{{t,1},1},{{t,2},2}] =
+ analyse_expr(<<"[ \n "
+ " X || X <- [1,2,3], X > 1]">>, Cf),
+ ?line [{{t,1},1},{{t,2},2},{{t,3},3}] =
+ analyse_expr(<<"[ \n"
+ " X || X <- [1,2,3], \n"
+ " X > 1]">>, Cf),
+ ?line [{{t,1},1},{{t,2},1},{{t,3},2}] =
+ analyse_expr(<<"[ \n "
+ " X || X <- [1,2,3], X > 1, \n"
+ " X > 2]">>, Cf),
+
+ ?line [{{t,1},1},
+ {{t,3},2},
+ {{t,5},1},
+ {{t,7},1},
+ {{t,8},0},
+ {{t,12},3},
+ {{t,15},2},
+ {{t,17},2},
+ {{t,18},1}] =
+ analyse_expr(<<"[ \n" % 1
+ " begin\n"
+ " X * 2\n" % 2
+ " end ||\n"
+ " X <- [1,\n" % 1
+ " case two() of\n"
+ " 2 -> 2;\n" % 1
+ " _ -> two\n" % 0
+ " end,\n"
+ " 3],\n"
+ " begin\n"
+ " math:sqrt(X) > 1.0\n" % 3
+ " end,\n"
+ " begin\n"
+ " true\n" % 2
+ " end,\n"
+ " true]. \n" % 2
+ " two() -> 2">>, Cf), % 1
+
+ ?line [{{t,1},1},
+ {{t,2},2},
+ {{t,3},1},
+ {{t,5},1},
+ {{t,6},0},
+ {{t,9},3},
+ {{t,10},2},
+ {{t,11},2},
+ {{t,12},1}] =
+ analyse_expr(<<"[ \n"
+ " X * 2 || \n" % 2
+ " X <- [1,\n" % 1
+ " case two() of\n"
+ " 2 -> 2;\n" % 1
+ " _ -> two\n" % 0
+ " end,\n"
+ " 3],\n"
+ " math:sqrt(X) > 1.0,\n" % 3
+ " true,\n" % 2
+ " true]. \n" % 2
+ " two() -> 2">>, Cf), % 1
+
+ ?line [{{t,1},1},
+ {{t,2},2},
+ {{t,3},1},
+ {{t,4},1},
+ {{t,5},0},
+ {{t,8},1},
+ {{t,9},0},
+ {{t,12},3},
+ {{t,13},2},
+ {{t,14},2}] =
+ analyse_expr(<<"<< \n" % 1
+ " << (X*2) >> || \n" % 2
+ " <<X>> <= << (case two() of\n"
+ " 2 -> 1;\n" % 1
+ " _ -> 2\n" % 0
+ " end)/integer,\n"
+ " (case two() of \n"
+ " 2 -> 2;\n" % 1
+ " _ -> two\n" % 0
+ " end)/integer,\n"
+ " 3 >>, \n"
+ " math:sqrt(X) > 1.0,\n" % 3
+ " true >>.\n" % 2
+ "two() -> 2">>, Cf),
+
+ ?line [{{t,1},1},
+ {{t,2},4},
+ {{t,4},1},
+ {{t,6},1},
+ {{t,7},0},
+ {{t,10},3},
+ {{t,11},2},
+ {{t,12},4},
+ {{t,13},1}] =
+ analyse_expr(<<"<< \n" % 1
+ " << (2)\n" % 4
+ " :(8) >> || \n"
+ " <<X>> <= << 1,\n" % 1
+ " (case two() of \n"
+ " 2 -> 2;\n" % 1
+ " _ -> two\n" % 0
+ " end)/integer,\n"
+ " 3 >>, \n"
+ " math:sqrt(X) > 1.0,\n" % 3
+ " <<_>> <= << 1, 2 >>,\n" % 2
+ " true >>.\n" % 4
+ "two() -> 2">>, Cf), % 1
+
+ ok.
+
+%%--Auxiliary------------------------------------------------------------
+
+analyse_expr(Expr, Config) ->
+ Binary = [<<"-module(t). "
+ "-export([t/0]). "
+ "t() -> ">>, Expr, <<".\n">>],
+ File = cc_mod(t, Binary, Config),
+ t:t(),
+ {ok, Result} = cover:analyse(t, calls, line),
+ ok = file:delete(File),
+ Result.
+
+cc_mod(M, Binary, Config) ->
+ {ok, Dir} = file:get_cwd(),
+ PrivDir = ?config(priv_dir, Config),
+ ok = file:set_cwd(PrivDir),
+ File = atom_to_list(M) ++ ".erl",
+ try
+ ok = file:write_file(File, Binary),
+ {ok, M} = cover:compile(File),
+ filename:join(PrivDir, File)
+ after file:set_cwd(Dir)
+ end.
+
+c_mod(M, Binary, Config) ->
+ {ok, Dir} = file:get_cwd(),
+ PrivDir = ?config(priv_dir, Config),
+ ok = file:set_cwd(PrivDir),
+ File = atom_to_list(M) ++ ".erl",
+ try
+ ok = file:write_file(File, Binary),
+ {ok, M} = compile:file(File, [debug_info]),
+ code:purge(M),
+ AbsFile = filename:rootname(File, ".erl"),
+ code:load_abs(AbsFile, M),
+ filename:join(PrivDir, File)
+ after file:set_cwd(Dir)
+ end.
+
+lsfiles() ->
+ {ok, CWD} = file:get_cwd(),
+ lsfiles(CWD).
+
+lsfiles(Dir) ->
+ {ok, Files} = file:list_dir(Dir),
+ Files.
+
+files(Files, Ext) ->
+ lists:filter(fun(File) ->
+ case filename:extension(File) of
+ Ext -> true;
+ _ -> false
+ end
+ end,
+ Files).
+
+remove([File|Files]) ->
+ ok = file:delete(File),
+ remove(Files);
+remove([]) ->
+ ok.
+
+decompile([Mod|Mods]) ->
+ code:purge(Mod),
+ code:delete(Mod),
+ decompile(Mods);
+decompile([]) ->
+ ok.
+
+is_unloaded(What) ->
+ if
+ is_list(What) -> true;
+ What==non_existing -> true;
+ true -> false
+ end.
+
+check_f_calls(F1,F2) ->
+ {ok,[{{f,f1,0},F1},{{f,f2,0},F2}]} = cover:analyse(f,calls,function).