cppcheck/test/testsuite.cpp at master · napcode/cppcheck · GitHub

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* Cppcheck - A tool for static C/C++ code analysis

* 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 "redirect.h"

#include <cstdio>

#include <iostream>

#include <string>

std::ostringstream errout;

std::ostringstream output;

/**

* TestRegistry

**/

struct CompareFixtures {

bool operator()(const TestFixture* lhs, const TestFixture* rhs) const {

return lhs->classname < rhs->classname;

}

};

typedef std::set<TestFixture*, CompareFixtures> TestSet;

class TestRegistry {

TestSet _tests;

public:

static TestRegistry &theInstance() {

static TestRegistry testreg;

return testreg;

}

void addTest(TestFixture *t) {

_tests.insert(t);

}

const TestSet &tests() const {

return _tests;

}

};

/**

* TestFixture

**/

std::ostringstream TestFixture::errmsg;

unsigned int TestFixture::countTests;

std::size_t TestFixture::fails_counter = 0;

std::size_t TestFixture::todos_counter = 0;

std::size_t TestFixture::succeeded_todos_counter = 0;

std::set<std::string> TestFixture::missingLibs;

TestFixture::TestFixture(const char * const _name)

:mVerbose(false),

quiet_tests(false),

classname(_name)

{

TestRegistry::theInstance().addTest(this);

}

bool TestFixture::prepareTest(const char testname[])

{

mVerbose = false;

mTemplateFormat.clear();

mTemplateLocation.clear();

// Check if tests should be executed

if (testToRun.empty() || testToRun == testname) {

// Tests will be executed - prepare them

mTestname = testname;

++countTests;

if (quiet_tests) {

std::putchar('.'); // Use putchar to write through redirection of std::cout/cerr

std::fflush(stdout);

} else {

std::cout << classname << "::" << testname << std::endl;

}

return true;

}

return false;

}

std::string TestFixture::getLocationStr(const char * const filename, const unsigned int linenr) const

{

std::ostringstream ret;

ret << filename << ':' << linenr << '(' << classname << "::" << mTestname << ')';

return ret.str();

}

static std::string writestr(const std::string &str, bool gccStyle = false)

{

std::ostringstream ostr;

if (gccStyle)

ostr << '\"';

for (std::string::const_iterator i = str.begin(); i != str.end(); ++i) {

if (*i == '\n') {

ostr << "\\n";

if ((i+1) != str.end() && !gccStyle)

ostr << std::endl;

} else if (*i == '\t')

ostr << "\\t";

else if (*i == '\"')

ostr << "\\\"";

else

ostr << *i;

}

if (!str.empty() && !gccStyle)

ostr << std::endl;

else if (gccStyle)

ostr << '\"';

return ostr.str();

}

bool TestFixture::assert_(const char * const filename, const unsigned int linenr, const bool condition) const

{

if (!condition) {

++fails_counter;

errmsg << getLocationStr(filename, linenr) << ": Assertion failed." << std::endl << "_____" << std::endl;

}

return condition;

}

bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg) const

{

if (expected != actual) {

++fails_counter;

errmsg << getLocationStr(filename, linenr) << ": Assertion failed. " << std::endl

<< "Expected: " << std::endl

<< writestr(expected) << std::endl

<< "Actual: " << std::endl

<< writestr(actual) << std::endl;

if (!msg.empty())

errmsg << "Hint:" << std::endl << msg << std::endl;

errmsg << "_____" << std::endl;

}

return expected == actual;

}

std::string TestFixture::deleteLineNumber(const std::string &message) const

{

std::string result(message);

// delete line number in "...:NUMBER:..."

std::string::size_type pos = 0;

while ((pos = result.find(':', pos)) != std::string::npos) {

// get number

if (pos + 1 == result.find_first_of("0123456789", pos + 1)) {

std::string::size_type after;

if ((after = result.find_first_not_of("0123456789", pos + 1)) != std::string::npos

&& result.at(after) == ':') {

// erase NUMBER

result.erase(pos + 1, after - pos - 1);

pos = after;

} else {

++pos;

}

} else {

++pos;

}

return result;

}

void TestFixture::assertEqualsWithoutLineNumbers(const char * const filename, const unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg) const

{

assertEquals(filename, linenr, deleteLineNumber(expected), deleteLineNumber(actual), msg);

}

bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const char expected[], const std::string& actual, const std::string &msg) const

{

return assertEquals(filename, linenr, std::string(expected), actual, msg);

}

bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const char expected[], const char actual[], const std::string &msg) const

{

return assertEquals(filename, linenr, std::string(expected), std::string(actual), msg);

}

bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const std::string& expected, const char actual[], const std::string &msg) const

{

return assertEquals(filename, linenr, expected, std::string(actual), msg);

}

bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const long long expected, const long long actual, const std::string &msg) const

{

if (expected != actual) {

std::ostringstream ostr1;

ostr1 << expected;

std::ostringstream ostr2;

ostr2 << actual;

assertEquals(filename, linenr, ostr1.str(), ostr2.str(), msg);

}

return expected == actual;

}

void TestFixture::assertEqualsDouble(const char * const filename, const unsigned int linenr, const double expected, const double actual, const double tolerance, const std::string &msg) const

{

if (expected < (actual - tolerance) || expected > (actual + tolerance)) {

std::ostringstream ostr1;

ostr1 << expected;

std::ostringstream ostr2;

ostr2 << actual;

assertEquals(filename, linenr, ostr1.str(), ostr2.str(), msg);

}

void TestFixture::todoAssertEquals(const char * const filename, const unsigned int linenr,

const std::string &wanted,

const std::string &current,

const std::string &actual) const

{

if (wanted == actual) {

errmsg << getLocationStr(filename, linenr) << ": Assertion succeeded unexpectedly. "

<< "Result: " << writestr(wanted, true) << std::endl << "_____" << std::endl;

++succeeded_todos_counter;

} else {

assertEquals(filename, linenr, current, actual);

++todos_counter;

}

void TestFixture::todoAssertEquals(const char * const filename, const unsigned int linenr, const long long wanted, const long long current, const long long actual) const

{

std::ostringstream wantedStr, currentStr, actualStr;

wantedStr << wanted;

currentStr << current;

actualStr << actual;

todoAssertEquals(filename, linenr, wantedStr.str(), currentStr.str(), actualStr.str());

}

void TestFixture::assertThrow(const char * const filename, const unsigned int linenr) const

{

++fails_counter;

errmsg << getLocationStr(filename, linenr) << ": Assertion succeeded. "

<< "The expected exception was thrown" << std::endl << "_____" << std::endl;

}

void TestFixture::assertThrowFail(const char * const filename, const unsigned int linenr) const

{

++fails_counter;

errmsg << getLocationStr(filename, linenr) << ": Assertion failed. "

<< "The expected exception was not thrown" << std::endl << "_____" << std::endl;

}

void TestFixture::assertNoThrowFail(const char * const filename, const unsigned int linenr) const

{

++fails_counter;

errmsg << getLocationStr(filename, linenr) << ": Assertion failed. "

<< "Unexpected exception was thrown" << std::endl << "_____" << std::endl;

}

void TestFixture::complainMissingLib(const char * const libname) const

{

missingLibs.insert(libname);

}

void TestFixture::printHelp()

{

std::cout << "Testrunner - run Cppcheck tests\n"

"\n"

"Syntax:\n"

" testrunner [OPTIONS] [TestClass::TestCase...]\n"

" run all test cases:\n"

" testrunner\n"

" run all test cases in TestClass:\n"

" testrunner TestClass\n"

" run TestClass::TestCase:\n"

" testrunner TestClass::TestCase\n"

" run all test cases in TestClass1 and TestClass2::TestCase:\n"

" testrunner TestClass1 TestClass2::TestCase\n"

"\n"

"Options:\n"

" -q Do not print the test cases that have run.\n"

" -h, --help Print this help.\n";

}

void TestFixture::run(const std::string &str)

{

testToRun = str;

if (quiet_tests) {

std::cout << '\n' << classname << ':';

REDIRECT;

run();

} else

run();

}

void TestFixture::processOptions(const options& args)

{

quiet_tests = args.quiet();

}

std::size_t TestFixture::runTests(const options& args)

{

countTests = 0;

errmsg.str("");

for (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("::"));

}

for (TestFixture * test : TestRegistry::theInstance().tests()) {

if (classname.empty() || test->classname == classname) {

test->processOptions(args);

test->run(testname);

}

std::cout << "\n\nTesting Complete\nNumber of tests: " << countTests << std::endl;

std::cout << "Number of todos: " << todos_counter;

if (succeeded_todos_counter > 0)

std::cout << " (" << succeeded_todos_counter << " succeeded)";

std::cout << std::endl;

// 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 << std::endl << std::endl;

std::cerr << errmsg.str();

if (!missingLibs.empty()) {

std::cerr << "Missing libraries: ";

for (const std::string & missingLib : missingLibs)

std::cerr << missingLib << " ";

std::cerr << std::endl << std::endl;

}

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(mVerbose, mTemplateFormat, mTemplateLocation));

if (errout.str().find(errormessage) == std::string::npos)

errout << errormessage << std::endl;

}

cppcheck/test/testsuite.cpp at master · napcode/cppcheck · GitHub

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