/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2020 Cppcheck team.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "check.h"
#include "cppcheck.h"
#include "errorlogger.h"
#include "testsuite.h"

#include <algorithm>
#include <list>
#include <string>


class TestCppcheck : public TestFixture {
public:
 TestCppcheck() : TestFixture("TestCppcheck") {
 }

private:

 class ErrorLogger2 : public ErrorLogger {
 public:
 std::list<std::string> id;

 void reportOut(const std::string & /*outmsg*/) OVERRIDE {}
 void bughuntingReport(const std::string & /*str*/) OVERRIDE {}

 void reportErr(const ErrorMessage &msg) OVERRIDE {
 id.push_back(msg.id);
 }
 };

 void run() OVERRIDE {
 TEST_CASE(instancesSorted);
 TEST_CASE(classInfoFormat);
 TEST_CASE(getErrorMessages);
 }

 void instancesSorted() const {
 for (std::list<Check *>::const_iterator i = Check::instances().begin(); i != Check::instances().end(); ++i) {
 std::list<Check *>::const_iterator j = i;
 ++j;
 if (j != Check::instances().end()) {
 ASSERT_EQUALS(true, (*i)->name() < (*j)->name());
 }
 }
 }

 void classInfoFormat() const {
 for (std::list<Check *>::const_iterator i = Check::instances().begin(); i != Check::instances().end(); ++i) {
 const std::string info = (*i)->classInfo();
 if (!info.empty()) {
 ASSERT('\n' != info[0]); // No \n in the beginning
 ASSERT('\n' == info.back()); // \n at end
 if (info.size() > 1)
 ASSERT('\n' != info[info.length()-2]); // Only one \n at end
 }
 }
 }

 void getErrorMessages() const {
 ErrorLogger2 errorLogger;
 CppCheck cppCheck(errorLogger, true, nullptr);
 cppCheck.getErrorMessages();
 ASSERT(!errorLogger.id.empty());

 // Check if there are duplicate error ids in errorLogger.id
 std::string duplicate;
 for (std::list<std::string>::iterator it = errorLogger.id.begin();
 it != errorLogger.id.end();
 ++it) {
 if (std::find(errorLogger.id.begin(), it, *it) != it) {
 duplicate = "Duplicate ID: " + *it;
 break;
 }
 }
 ASSERT_EQUALS("", duplicate);

 // Check for error ids from this class.
 bool foundPurgedConfiguration = false;
 bool foundTooManyConfigs = false;
 for (const std::string & it : errorLogger.id) {
 if (it == "purgedConfiguration")
 foundPurgedConfiguration = true;
 else if (it == "toomanyconfigs")
 foundTooManyConfigs = true;
 }
 ASSERT(foundPurgedConfiguration);
 ASSERT(foundTooManyConfigs);
 }
};

REGISTER_TEST(TestCppcheck)