libabigail/tests/test-read-dwarf.cc
Dodji Seketeli 8f9b8e76a0 Add regression tests for dwarf reading
* tests/test-read-dwarf.cc: New dwarf reading regression test.
	* tests/data/test-read-dwarf/test0: New test input.
	* data/test-read-dwarf/test0: Likewise.
	* data/test-read-dwarf/test0.abi: Likewise.
	* data/test-read-dwarf/test0.cc: Likewise.
	* data/test-read-dwarf/test1: Likewise.
	* data/test-read-dwarf/test1.abi: Likewise.
	* data/test-read-dwarf/test1.cc: Likewise.
	* tests/Makefile.am: Build the new tests/test-read-dwarf.cc file.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2014-01-07 15:51:52 +01:00

120 lines
3.1 KiB
C++

// -*- Mode: C++ -*-
//
// Copyright (C) 2013 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 read ELF binaries containing DWARF, save them in XML corpus
/// files and diff the corpus files against reference XML corpus
/// files.
#include <string>
#include <fstream>
#include <iostream>
#include <cstdlib>
#include "abg-ir.h"
#include "abg-dwarf-reader.h"
#include "abg-writer.h"
#include "abg-tools-utils.h"
#include "test-utils.h"
using std::string;
using std::ofstream;
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_elf_path;
const char* in_abi_path;
const char* out_abi_path;
};// end struct InOutSpec
InOutSpec in_out_specs[] =
{
{
"data/test-read-dwarf/test0",
"data/test-read-dwarf/test0.abi",
"output/test-read-dwarf/test0.abi"
},
{
"data/test-read-dwarf/test1",
"data/test-read-dwarf/test1.abi",
"output/test-read-dwarf/test1.abi"
},
// This should be the last entry.
{NULL, NULL, NULL}
};
int
main()
{
unsigned result = 1;
bool is_ok = true;
string in_elf_path, in_abi_path, out_abi_path;
abigail::corpus_sptr corp;
for (InOutSpec* s = in_out_specs; s->in_elf_path; ++s)
{
in_elf_path = abigail::tests::get_src_dir() + "/tests/" + s->in_elf_path;
corp = abigail::dwarf_reader::read_corpus_from_elf(in_elf_path);
if (!corp)
{
cerr << "failed to read " << in_elf_path << "\n";
is_ok = false;
continue;
}
corp->set_path(s->in_elf_path);
out_abi_path =
abigail::tests::get_build_dir() + "/tests/" + s->out_abi_path;
if (!abigail::tools::ensure_parent_dir_created(out_abi_path))
{
cerr << "Could not create parent director for " << out_abi_path;
is_ok = false;
return result;
}
ofstream of(out_abi_path.c_str(), std::ios_base::trunc);
if (!of.is_open())
{
cerr << "failed to read " << out_abi_path << "\n";
is_ok = false;
continue;
}
bool r =
abigail::xml_writer::write_corpus_to_native_xml(corp,
/*indent=*/0,
of);
is_ok = (is_ok && r);
of.close();
in_abi_path = abigail::tests::get_src_dir() + "/tests/" + s->in_abi_path;
string cmd = "diff -u " + in_abi_path + " " + out_abi_path;
if (system(cmd.c_str()))
is_ok = false;
}
return !is_ok;
}