2013-10-03 00:05:53 +00:00
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// -*- Mode: C++ -*-
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// Copyright (C) 2013 Red Hat, Inc.
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//
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// This file is part of the GNU Application Binary Interface Generic
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// Analysis and Instrumentation Library (libabigail). This library is
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// free software; you can redistribute it and/or modify it under the
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// terms of the GNU Lesser General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option) any
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// later version.
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Lesser Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; see the file COPYING-LGPLV3. If
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// not, see <http://www.gnu.org/licenses/>.
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//
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// Author: Dodji Seketeli
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#include <string>
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#include <fstream>
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#include <iostream>
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#include <cstdlib>
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#include "abg-tools-utils.h"
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#include "abg-diff-utils.h"
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#include "test-utils.h"
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using std::string;
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using std::ofstream;
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using std::cerr;
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/// This structure describes the set of strings we want to diff
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/// against each other as well as the reports we expect from these
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/// diffs.
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struct SESInOutSpec
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{
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// This is the path to the report we expect from the diff algorithm
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// applied to second_string (below) diffed against first_string.
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const char* in_path;
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// This is the path where to store the report of the diff algorithm
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// applied to second_string (below) diffed against first_string.
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const char* out_path;
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// This is the first string to feed the diff algorithm with.
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const char* first_string;
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// This is the second string to feed the diff algorithm with.
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const char* second_string;
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};// end struct SESInOutSpec
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SESInOutSpec in_out_specs[] =
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{
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{
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"data/test-core-diff/report0.txt",
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"output/test-core-diff/report0.txt",
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"abcabba",
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"cbabac"
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},
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{
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"data/test-core-diff/report1.txt",
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"output/test-core-diff/report1.txt",
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"xxabxx",
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"xbx"
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},
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{
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"data/test-core-diff/report2.txt",
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"output/test-core-diff/report2.txt",
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"xxabxx",
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"xbcx"
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},
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{
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"data/test-core-diff/report3.txt",
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"output/test-core-diff/report3.txt",
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"abc",
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"abdecfgc"
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},
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{
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"data/test-core-diff/report4.txt",
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"output/test-core-diff/report4.txt",
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"xxx",
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"xxx"
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},
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{
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"data/test-core-diff/report5.txt",
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"output/test-core-diff/report5.txt",
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"xabx",
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"xbx"
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},
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2013-10-04 08:35:25 +00:00
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{
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"data/test-core-diff/report6.txt",
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"output/test-core-diff/report6.txt",
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"fou",
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"fubar"
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},
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2013-10-06 18:48:08 +00:00
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{
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"data/test-core-diff/report7.txt",
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"output/test-core-diff/report7.txt",
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"sqkdjfjdsql",
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"sqdmlkjfmljdsqf"
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},
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2013-10-03 00:05:53 +00:00
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// This should be the last entry.
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{NULL, NULL, NULL, NULL}
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};
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using abigail::diff_utils::edit_script;
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using abigail::diff_utils::compute_ses;
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using abigail::diff_utils::display_edit_script;
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int
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main()
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{
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unsigned result = 1;
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bool problem = false;
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string in_path, out_path;
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for (SESInOutSpec *s = in_out_specs; s->in_path; ++s)
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{
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string input_suffix(s->in_path);
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in_path = abigail::tests::get_src_dir() + "/tests/" + input_suffix;
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string output_suffix(s->out_path);
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out_path = abigail::tests::get_build_dir() + "/tests/" + output_suffix;
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if (!abigail::tools::ensure_parent_dir_created(out_path))
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{
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cerr << "Could not create parent director for " << out_path;
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problem = true;
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return result;
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}
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ofstream of(out_path.c_str(), std::ios_base::trunc);
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if (!of.is_open())
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{
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cerr << "failed to read " << out_path << "\n";
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problem = true;
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continue;
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}
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edit_script ses;
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// Compute the Shortest Edit Script (aka diff) that changes
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// s->first_string into s->second_string.
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compute_ses(s->first_string, s->second_string, ses);
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// Emit a report about that edit script
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display_edit_script(ses, s->first_string, s->second_string, of);
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of.close();
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// Diff that report against what we expect.
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string cmd = "diff -u " + in_path + " " + out_path;
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if (system(cmd.c_str()))
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problem= true;
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}
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return problem;
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}
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