cppcheck/test/testsuite.cpp

287 lines
7.3 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 Daniel Marjamäki and 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 "testsuite.h"
#include "options.h"
#include <iostream>
#include <list>
std::ostringstream errout;
std::ostringstream output;
/**
* TestRegistry
**/
class TestRegistry
{
private:
std::list<TestFixture *> _tests;
public:
static TestRegistry &theInstance()
{
static TestRegistry testreg;
return testreg;
}
void addTest(TestFixture *t)
{
_tests.push_back(t);
}
const std::list<TestFixture *> &tests() const
{
return _tests;
}
};
/**
* TestFixture
**/
std::ostringstream TestFixture::errmsg;
unsigned int TestFixture::countTests;
size_t TestFixture::fails_counter = 0;
size_t TestFixture::todos_counter = 0;
TestFixture::TestFixture(const std::string &_name)
:classname(_name)
,gcc_style_errors(false)
,quiet_tests(false)
{
TestRegistry::theInstance().addTest(this);
}
bool TestFixture::runTest(const char testname[])
{
if (testToRun.empty() || testToRun == testname)
{
++countTests;
if (quiet_tests)
{
std::cout << '.';
}
else
{
std::cout << classname << "::" << testname << "\n";
}
return true;
}
return false;
}
static std::string writestr(const std::string &str)
{
std::ostringstream ostr;
ostr << "\"";
for (unsigned int i = 0; i < str.length(); ++i)
{
char ch = str[i];
if (ch == '\n')
ostr << "\\n";
else if (ch == '\t')
ostr << "\\t";
else if (ch == '\"')
ostr << "\\\"";
else
ostr << std::string(1, ch);
}
ostr << "\"";
return ostr.str();
}
void TestFixture::assert_(const char *filename, int linenr, bool condition)
{
if (!condition)
{
++fails_counter;
if (gcc_style_errors)
{
errmsg << filename << ':' << linenr << ": Assertion failed." << std::endl;
}
else
{
errmsg << "Assertion failed in " << filename << " at line " << linenr << std::endl;
}
}
}
void TestFixture::assertEquals(const char *filename, int linenr, const std::string &expected, const std::string &actual, const std::string &msg)
{
if (expected != actual)
{
++fails_counter;
if (gcc_style_errors)
{
errmsg << filename << ':' << linenr << ": Assertion failed. "
<< "Expected: "
<< writestr(expected)
<< ". Actual: "
<< writestr(actual)
<< "."
<< std::endl;
}
else
{
errmsg << "Assertion failed in " << filename << " at line " << linenr << std::endl
<< "Expected:" << std::endl
<< writestr(expected) << std::endl
<< "Actual:" << std::endl
<< writestr(actual) << std::endl;
}
if (!msg.empty())
{
errmsg << msg << std::endl;
}
}
}
void TestFixture::assertEquals(const char *filename, int linenr, long long expected, long long actual, const std::string &msg)
{
std::ostringstream ostr1;
ostr1 << expected;
std::ostringstream ostr2;
ostr2 << actual;
assertEquals(filename, linenr, ostr1.str(), ostr2.str(), msg);
}
void TestFixture::assertEqualsDouble(const char *filename, int linenr, double expected, double actual, const std::string &msg)
{
std::ostringstream ostr1;
ostr1 << expected;
std::ostringstream ostr2;
ostr2 << actual;
assertEquals(filename, linenr, ostr1.str(), ostr2.str(), msg);
}
void TestFixture::todoAssertEquals(const char *filename, int linenr, const std::string &expected, const std::string &actual)
{
if (expected == actual)
{
assertEquals(filename, linenr, "TODO assertion", "The assertion succeeded");
}
else
{
++todos_counter;
}
}
void TestFixture::todoAssertEquals(const char *filename, int linenr, unsigned int expected, unsigned int actual)
{
std::ostringstream ostr1;
ostr1 << expected;
std::ostringstream ostr2;
ostr2 << actual;
todoAssertEquals(filename, linenr, ostr1.str(), ostr2.str());
}
void TestFixture::assertThrowFail(const char *filename, int linenr)
{
++fails_counter;
if (gcc_style_errors)
{
errmsg << filename << ':' << linenr << " Assertion failed. "
<< "The expected exception was not thrown" << std::endl;
}
else
{
errmsg << "Assertion failed in " << filename << " at line " << linenr << std::endl
<< "The expected exception was not thrown" << std::endl;
}
}
void TestFixture::printTests()
{
const std::list<TestFixture *> &tests = TestRegistry::theInstance().tests();
for (std::list<TestFixture *>::const_iterator it = tests.begin(); it != tests.end(); ++it)
{
std::cout << (*it)->classname << std::endl;
}
}
void TestFixture::run(const std::string &str)
{
testToRun = str;
if (quiet_tests)
{
std::cout << '\n' << classname << ':';
}
run();
}
void TestFixture::processOptions(const options& args)
{
quiet_tests = args.quiet();
gcc_style_errors = args.gcc_style_errors();
}
size_t TestFixture::runTests(const options& args)
{
std::string classname(args.which_test());
std::string testname("");
if (classname.find("::") != std::string::npos)
{
testname = classname.substr(classname.find("::") + 2);
classname.erase(classname.find("::"));
}
countTests = 0;
errmsg.str("");
const std::list<TestFixture *> &tests = TestRegistry::theInstance().tests();
for (std::list<TestFixture *>::const_iterator it = tests.begin(); it != tests.end(); ++it)
{
if (classname.empty() || (*it)->classname == classname)
{
(*it)->processOptions(args);
(*it)->run(testname);
}
}
std::cout << "\n\nTesting Complete\nNumber of tests: " << countTests << "\n";
std::cout << "Number of todos: " << todos_counter << "\n";
// calling flush here, to do all output before the error messages (in case the output is buffered)
std::cout.flush();
std::cerr << "Tests failed: " << fails_counter << "\n";
std::cerr << errmsg.str();
std::cerr.flush();
return fails_counter;
}
void TestFixture::reportOut(const std::string & outmsg)
{
output << outmsg << std::endl;
}
void TestFixture::reportErr(const ErrorLogger::ErrorMessage &msg)
{
const std::string errormessage(msg.toString(false));
if (errout.str().find(errormessage) == std::string::npos)
errout << errormessage << std::endl;
}