cppcheck/test/testsuite.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2010 Daniel Marjamäki and Cppcheck team.
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*
* 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/>.
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*/
#include "testsuite.h"
#include <iostream>
#include <list>
std::ostringstream errout;
std::ostringstream output;
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/**
* TestRegistry
**/
class TestRegistry
{
private:
std::list<TestFixture *> _tests;
public:
static TestRegistry &theInstance()
{
static TestRegistry testreg;
return testreg;
}
void addTest(TestFixture *t)
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{
_tests.push_back(t);
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}
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;
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TestFixture::TestFixture(const std::string &_name) : classname(_name)
{
TestRegistry::theInstance().addTest(this);
}
bool TestFixture::runTest(const char testname[])
{
if (testToRun.empty() || testToRun == testname)
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{
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++countTests;
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std::cout << classname << "::" << testname << "\n";
return true;
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}
return false;
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}
static std::string writestr(const std::string &str)
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{
std::ostringstream ostr;
ostr << "\"";
for (unsigned int i = 0; i < str.length(); ++i)
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{
char ch = str[i];
if (ch == '\n')
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ostr << "\\n";
else if (ch == '\t')
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ostr << "\\t";
else if (ch == '\"')
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ostr << "\\\"";
else
ostr << std::string(1, ch);
}
ostr << "\"";
return ostr.str();
}
void TestFixture::assertEquals(const char *filename, int linenr, const std::string &expected, const std::string &actual)
{
if (expected != actual)
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{
++fails_counter;
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errmsg << "Assertion failed in " << filename << " at line " << linenr << std::endl
<< "Expected:" << std::endl
<< writestr(expected) << std::endl
<< "Actual:" << std::endl
<< writestr(actual) << std::endl;
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}
}
void TestFixture::assertEquals(const char *filename, int linenr, double expected, double actual)
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{
std::ostringstream ostr1;
ostr1 << expected;
std::ostringstream ostr2;
ostr2 << actual;
assertEquals(filename, linenr, ostr1.str(), ostr2.str());
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}
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;
errmsg << "Assertion failed in " << filename << " at line " << linenr << std::endl
<< "The expected exception was not thrown" << std::endl;
}
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void TestFixture::printTests()
{
const std::list<TestFixture *> &tests = TestRegistry::theInstance().tests();
for (std::list<TestFixture *>::const_iterator it = tests.begin(); it != tests.end(); ++it)
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{
std::cout << (*it)->classname << std::endl;
}
}
void TestFixture::run(const std::string &str)
{
testToRun = str;
run();
}
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size_t TestFixture::runTests(const char cmd[])
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{
std::string classname(cmd ? cmd : "");
std::string testname("");
if (classname.find("::") != std::string::npos)
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{
testname = classname.substr(classname.find("::") + 2);
classname.erase(classname.find("::"));
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}
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)
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{
if (classname.empty() || (*it)->classname == classname)
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{
(*it)->run(testname);
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}
}
std::cout << "\n\nTesting Complete\nNumber of tests: " << countTests << "\n";
std::cout << "Number of todos: " << todos_counter << "\n";
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std::cerr << errmsg.str();
return fails_counter;
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}
void TestFixture::reportOut(const std::string & outmsg)
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{
output << outmsg << std::endl;
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}
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void TestFixture::reportErr(const ErrorLogger::ErrorMessage &msg)
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{
errout << msg.toText() << std::endl;
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}