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ef2211831f
libabigail/tests/test-diff-filter.cc
Dodji Seketeli ef2211831f Use proper WIFEXITED and WEXITSTATUS macros to get exit code 
It turns out we were wrongly getting the exit code of some processes
being executed by the "system()" invocation.  The patch uses the
WIFEXITED and WEXITSTATUS macro as documented in the man page for
"system".

	* tests/test-diff-dwarf-abixml.cc (main): Use WIFEXITED and
	WEXITSTATUS macros to get the return code of the abidiff program.
	* tests/test-diff-filter.cc (test_task::perform): Likewise.
	* tests/test-diff-pkg.cc (main): Likewise.
	* tests/test-diff-suppr.cc (main): Likewise.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2016-02-10 22:06:01 +01:00

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// -*- Mode: C++ -*-
//
// Copyright (C) 2013-2016 Red Hat, Inc.
//
// This file is part of the GNU Application Binary Interface Generic
// Analysis and Instrumentation Library (libabigail). This library is
// free software; you can redistribute it and/or modify it under the
// terms of the GNU Lesser General Public License as published by the
// Free Software Foundation; either version 3, or (at your option) any
// later version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Lesser Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with this program; see the file COPYING-LGPLV3. If
// not, see <http://www.gnu.org/licenses/>.
// Author: Dodji Seketeli
/// @file
///
/// This program runs a diff between input ELF files containing DWARF
/// debugging information and compares the resulting report with a
/// reference report. If the resulting report is different from the
/// reference report, the test has failed. Note that the comparison
/// is done using the abidiff command line comparison tool.
///
/// The set of input files and reference reports to consider should be
/// present in the source distribution.
#include <sys/wait.h>
#include <cassert>
#include <string>
#include <fstream>
#include <iostream>
#include <cstdlib>
#include "abg-workers.h"
#include "abg-tools-utils.h"
#include "test-utils.h"
using std::string;
using std::cerr;
/// This is an aggregate that specifies where a test shall get its
/// input from and where it shall write its ouput to.
struct InOutSpec
{
const char* in_elfv0_path;
const char* in_elfv1_path;
const char* abidiff_options;
const char* in_report_path;
const char* out_report_path;
}; // end struct InOutSpec;
InOutSpec in_out_specs[] =
{
{
"data/test-diff-filter/test0-v0.o",
"data/test-diff-filter/test0-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test0-report.txt",
"output/test-diff-filter/test0-report.txt",
},
{
"data/test-diff-filter/test0-v0.o",
"data/test-diff-filter/test0-v1.o",
"--harmless --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test01-report.txt",
"output/test-diff-filter/test01-report.txt",
},
{
"data/test-diff-filter/test1-v0.o",
"data/test-diff-filter/test1-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test1-report.txt",
"output/test-diff-filter/test1-report.txt",
},
{
"data/test-diff-filter/test2-v0.o",
"data/test-diff-filter/test2-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test2-report.txt",
"output/test-diff-filter/test2-report.txt",
},
{
"data/test-diff-filter/test3-v0.o",
"data/test-diff-filter/test3-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test3-report.txt",
"output/test-diff-filter/test3-report.txt",
},
{
"data/test-diff-filter/test4-v0.o",
"data/test-diff-filter/test4-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test4-report.txt",
"output/test-diff-filter/test4-report.txt",
},
{
"data/test-diff-filter/test5-v0.o",
"data/test-diff-filter/test5-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test5-report.txt",
"output/test-diff-filter/test5-report.txt",
},
{
"data/test-diff-filter/test6-v0.o",
"data/test-diff-filter/test6-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test6-report.txt",
"output/test-diff-filter/test6-report.txt",
},
{
"data/test-diff-filter/test7-v0.o",
"data/test-diff-filter/test7-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test7-report.txt",
"output/test-diff-filter/test7-report.txt",
},
{
"data/test-diff-filter/test8-v0.o",
"data/test-diff-filter/test8-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test8-report.txt",
"output/test-diff-filter/test8-report.txt",
},
{
"data/test-diff-filter/test9-v0.o",
"data/test-diff-filter/test9-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test9-report.txt",
"output/test-diff-filter/test9-report.txt",
},
{
"data/test-diff-filter/test10-v0.o",
"data/test-diff-filter/test10-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test10-report.txt",
"output/test-diff-filter/test10-report.txt",
},
{
"data/test-diff-filter/test11-v0.o",
"data/test-diff-filter/test11-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test11-report.txt",
"output/test-diff-filter/test11-report.txt",
},
{
"data/test-diff-filter/test12-v0.o",
"data/test-diff-filter/test12-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test12-report.txt",
"output/test-diff-filter/test12-report.txt",
},
{
"data/test-diff-filter/test13-v0.o",
"data/test-diff-filter/test13-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test13-report.txt",
"output/test-diff-filter/test13-report.txt",
},
{
"data/test-diff-filter/test14-v0.o",
"data/test-diff-filter/test14-v1.o",
"--no-show-locs --no-redundant",
"data/test-diff-filter/test14-0-report.txt",
"output/test-diff-filter/test14-0-report.txt",
},
{
"data/test-diff-filter/test14-v0.o",
"data/test-diff-filter/test14-v1.o",
"--no-show-locs --redundant",
"data/test-diff-filter/test14-1-report.txt",
"output/test-diff-filter/test14-1-report.txt",
},
{
"data/test-diff-filter/test15-v0.o",
"data/test-diff-filter/test15-v1.o",
"--no-show-locs --no-redundant",
"data/test-diff-filter/test15-0-report.txt",
"output/test-diff-filter/test15-0-report.txt",
},
{
"data/test-diff-filter/test15-v0.o",
"data/test-diff-filter/test15-v1.o",
"--no-show-locs --redundant",
"data/test-diff-filter/test15-1-report.txt",
"output/test-diff-filter/test15-1-report.txt",
},
{
"data/test-diff-filter/test16-v0.o",
"data/test-diff-filter/test16-v1.o",
"--no-show-locs --no-redundant",
"data/test-diff-filter/test16-report.txt",
"output/test-diff-filter/test16-report.txt",
},
{
"data/test-diff-filter/test16-v0.o",
"data/test-diff-filter/test16-v1.o",
"--no-show-locs --redundant",
"data/test-diff-filter/test16-report-2.txt",
"output/test-diff-filter/test16-report-2.txt",
},
{
"data/test-diff-filter/test17-v0.o",
"data/test-diff-filter/test17-v1.o",
"--no-show-locs --no-redundant",
"data/test-diff-filter/test17-0-report.txt",
"output/test-diff-filter/test17-0-report.txt",
},
{
"data/test-diff-filter/test17-v0.o",
"data/test-diff-filter/test17-v1.o",
"--no-show-locs --redundant",
"data/test-diff-filter/test17-1-report.txt",
"output/test-diff-filter/test17-1-report.txt",
},
{
"data/test-diff-filter/test18-v0.o",
"data/test-diff-filter/test18-v1.o",
"--no-show-locs --no-redundant",
"data/test-diff-filter/test18-report.txt",
"output/test-diff-filter/test18-report.txt",
},
{
"data/test-diff-filter/test19-enum-v0.o",
"data/test-diff-filter/test19-enum-v1.o",
"--no-show-locs --no-redundant",
"data/test-diff-filter/test19-enum-report-0.txt",
"output/test-diff-filter/test19-enum-report-0.txt",
},
{
"data/test-diff-filter/test19-enum-v0.o",
"data/test-diff-filter/test19-enum-v1.o",
"--no-show-locs --harmless",
"data/test-diff-filter/test19-enum-report-1.txt",
"output/test-diff-filter/test19-enum-report-1.txt",
},
{
"data/test-diff-filter/test20-inline-v0.o",
"data/test-diff-filter/test20-inline-v1.o",
"--no-show-locs --no-redundant",
"data/test-diff-filter/test20-inline-report-0.txt",
"output/test-diff-filter/test20-inline-report-0.txt",
},
{
"data/test-diff-filter/test20-inline-v0.o",
"data/test-diff-filter/test20-inline-v1.o",
"--no-show-locs --harmless",
"data/test-diff-filter/test20-inline-report-1.txt",
"output/test-diff-filter/test20-inline-report-1.txt",
},
{
"data/test-diff-filter/libtest21-compatible-vars-v0.so",
"data/test-diff-filter/libtest21-compatible-vars-v1.so",
"--no-show-locs --harmless",
"data/test-diff-filter/test21-compatible-vars-report-0.txt",
"output/test-diff-filter/test21-compatible-vars-report-0.txt",
},
{
"data/test-diff-filter/libtest21-compatible-vars-v0.so",
"data/test-diff-filter/libtest21-compatible-vars-v1.so",
"--no-show-locs --no-redundant",
"data/test-diff-filter/test21-compatible-vars-report-1.txt",
"output/test-diff-filter/test21-compatible-vars-report-1.txt",
},
{
"data/test-diff-filter/libtest22-compatible-fns-v0.so",
"data/test-diff-filter/libtest22-compatible-fns-v1.so",
"--no-show-locs --harmless",
"data/test-diff-filter/test22-compatible-fns-report-0.txt",
"output/test-diff-filter/test22-compatible-fns-report-0.txt",
},
{
"data/test-diff-filter/libtest22-compatible-fns-v0.so",
"data/test-diff-filter/libtest22-compatible-fns-v1.so",
"--no-show-locs --no-redundant",
"data/test-diff-filter/test22-compatible-fns-report-1.txt",
"output/test-diff-filter/test22-compatible-fns-report-1.txt",
},
{
"data/test-diff-filter/libtest23-redundant-fn-parm-change-v0.so",
"data/test-diff-filter/libtest23-redundant-fn-parm-change-v1.so",
"--no-show-locs",
"data/test-diff-filter/test23-redundant-fn-parm-change-report-0.txt ",
"output/test-diff-filter/test23-redundant-fn-parm-change-report-0.txt ",
},
{
"data/test-diff-filter/libtest24-compatible-vars-v0.so",
"data/test-diff-filter/libtest24-compatible-vars-v1.so",
"--no-show-locs",
"data/test-diff-filter/test24-compatible-vars-report-0.txt ",
"output/test-diff-filter/test24-compatible-vars-report-0.txt ",
},
{
"data/test-diff-filter/libtest24-compatible-vars-v0.so",
"data/test-diff-filter/libtest24-compatible-vars-v1.so",
"--no-show-locs --harmless",
"data/test-diff-filter/test24-compatible-vars-report-1.txt ",
"output/test-diff-filter/test24-compatible-vars-report-1.txt ",
},
{
"data/test-diff-filter/libtest25-cyclic-type-v0.so",
"data/test-diff-filter/libtest25-cyclic-type-v1.so",
"--no-show-locs",
"data/test-diff-filter/test25-cyclic-type-report-0.txt ",
"output/test-diff-filter/test25-cyclic-type-report-0.txt "
},
{
"data/test-diff-filter/libtest25-cyclic-type-v0.so",
"data/test-diff-filter/libtest25-cyclic-type-v1.so",
"--no-show-locs --redundant",
"data/test-diff-filter/test25-cyclic-type-report-1.txt ",
"output/test-diff-filter/test25-cyclic-type-report-1.txt "
},
{
"data/test-diff-filter/libtest26-qualified-redundant-node-v0.so",
"data/test-diff-filter/libtest26-qualified-redundant-node-v1.so",
"--no-show-locs",
"data/test-diff-filter/test26-qualified-redundant-node-report-0.txt",
"output/test-diff-filter/test26-qualified-redundant-node-report-0.txt"
},
{
"data/test-diff-filter/libtest26-qualified-redundant-node-v0.so",
"data/test-diff-filter/libtest26-qualified-redundant-node-v1.so",
"--no-show-locs --redundant",
"data/test-diff-filter/test26-qualified-redundant-node-report-1.txt",
"output/test-diff-filter/test26-qualified-redundant-node-report-1.txt"
},
{
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v1.so",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-0.txt",
"output/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-0.txt"
},
{
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v1.so",
"--no-linkage-name --no-show-locs --redundant",
"data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-1.txt",
"output/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-1.txt"
},
{
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v1.so",
"--no-linkage-name --redundant --no-show-locs --harmless",
"data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-2.txt",
"output/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-2.txt"
},
{
"data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v1.so",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-0.txt",
"output/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-0.txt",
},
{
"data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v1.so",
"--no-linkage-name --redundant --no-show-locs --harmless",
"data/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-1.txt",
"output/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-1.txt",
},
{
"data/test-diff-filter/test29-finer-redundancy-marking-v0.o",
"data/test-diff-filter/test29-finer-redundancy-marking-v1.o",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test29-finer-redundancy-marking-report-0.txt",
"output/test-diff-filter/test29-finer-redundancy-marking-report-0.txt",
},
{
"data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
"data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test30-pr18904-rvalueref-report0.txt",
"output/test-diff-filter/test30-pr18904-rvalueref-report0.txt",
},
{ // Just like the previous test, but emit loc info.
"data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
"data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
"--no-linkage-name --no-redundant",
"data/test-diff-filter/test30-pr18904-rvalueref-report1.txt",
"output/test-diff-filter/test30-pr18904-rvalueref-report1.txt",
},
{
"data/test-diff-filter/test31-pr18535-libstdc++-4.8.3.so",
"data/test-diff-filter/test31-pr18535-libstdc++-4.9.2.so",
"--no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test31-pr18535-libstdc++-report-0.txt",
"output/test-diff-filter/test31-pr18535-libstdc++-report-0.txt",
},
{ // Just like the previous test, but emit loc info.
"data/test-diff-filter/test31-pr18535-libstdc++-4.8.3.so",
"data/test-diff-filter/test31-pr18535-libstdc++-4.9.2.so",
"--no-linkage-name --no-redundant",
"data/test-diff-filter/test31-pr18535-libstdc++-report-1.txt",
"output/test-diff-filter/test31-pr18535-libstdc++-report-1.txt",
},
// This should be the last entry
{NULL, NULL, NULL, NULL, NULL}
};
/// A task which launches abidiff on the binaries passed to the
/// constructor of the task. The test also launches gnu diff on the
/// result of the abidiff to compare it against a reference abidiff
/// result.
struct test_task : public abigail::workers::task
{
InOutSpec spec;
bool is_ok;
string diff_cmd;
string error_message;
test_task(const InOutSpec& s)
: spec(s),
is_ok(true)
{}
/// This virtual function overload actually performs the job of the
/// task.
///
/// It actually launches abidiff on the binaries passed to the
/// constructor of the task. It also launches gnu diff on the
/// result of the abidiff to compare it against a reference abidiff
/// result.
virtual void
perform()
{
using abigail::tests::get_src_dir;
using abigail::tests::get_build_dir;
using abigail::tools_utils::ensure_parent_dir_created;
using abigail::tools_utils::abidiff_status;
string in_elfv0_path, in_elfv1_path,
abidiff_options, abidiff, cmd,
ref_diff_report_path, out_diff_report_path;
in_elfv0_path = string(get_src_dir()) + "/tests/" + spec.in_elfv0_path;
in_elfv1_path = string(get_src_dir()) + "/tests/" + spec.in_elfv1_path;
abidiff_options = spec.abidiff_options;
ref_diff_report_path =
string(get_src_dir()) + "/tests/" + spec.in_report_path;
out_diff_report_path =
string(get_build_dir()) + "/tests/" + spec.out_report_path;
if (!ensure_parent_dir_created(out_diff_report_path))
{
error_message = string("could not create parent directory for ")
+ out_diff_report_path;
is_ok = false;
return;
}
abidiff = string(get_build_dir()) + "/tools/abidiff";
abidiff += " " + abidiff_options;
cmd = abidiff + " " + in_elfv0_path + " " + in_elfv1_path;
cmd += " > " + out_diff_report_path;
bool abidiff_ok = true;
int code = system(cmd.c_str());
if (!WIFEXITED(code))
abidiff_ok = false;
else
{
abidiff_status status =
static_cast<abidiff_status>(WEXITSTATUS(code));
if (abigail::tools_utils::abidiff_status_has_error(status))
abidiff_ok = false;
}
if (abidiff_ok)
{
cmd = "diff -u " + ref_diff_report_path
+ " " + out_diff_report_path;
string cmd_no_out = cmd + " > /dev/null";
if (system(cmd_no_out.c_str()))
{
is_ok = false;
diff_cmd = cmd;
}
}
else
is_ok = false;
}
}; //end struct test_task.
/// A convenience typedef for shared
typedef shared_ptr<test_task> test_task_sptr;
int
main()
{
using std::vector;
using std::tr1::dynamic_pointer_cast;
using abigail::workers::queue;
using abigail::workers::task;
using abigail::workers::task_sptr;
using abigail::workers::get_number_of_threads;
/// Create a task queue. The max number of worker threads of the
/// queue is the number of the concurrent threads supported by the
/// processor of the machine this code runs on.
const size_t num_tests = sizeof(in_out_specs) / sizeof (InOutSpec) - 1;
size_t num_workers = std::min(get_number_of_threads(), num_tests);
queue task_queue(num_workers);
bool is_ok = true;
for (InOutSpec* s = in_out_specs; s->in_elfv0_path; ++s)
{
test_task_sptr t(new test_task(*s));
assert(task_queue.schedule_task(t));
}
/// Wait for all worker threads to finish their job, and wind down.
task_queue.wait_for_workers_to_complete();
// Now walk the results and print whatever error messages need to be
// printed.
const vector<task_sptr>& completed_tasks =
task_queue.get_completed_tasks();
assert(completed_tasks.size() == num_tests);
for (vector<task_sptr>::const_iterator ti = completed_tasks.begin();
ti != completed_tasks.end();
++ti)
{
test_task_sptr t = dynamic_pointer_cast<test_task>(*ti);
if (!t->is_ok)
{
is_ok = false;
if (!t->diff_cmd.empty())
system(t->diff_cmd.c_str());
if (!t->error_message.empty())
cerr << t->error_message << '\n';
}
}
return !is_ok;
}
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