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testsuppressions.cpp
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2023 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 "checkunusedfunctions.h"
#include "config.h"
#include "cppcheck.h"
#include "cppcheckexecutor.h"
#include "errortypes.h"
#include "filesettings.h"
#include "processexecutor.h"
#include "settings.h"
#include "suppressions.h"
#include "fixture.h"
#include "helpers.h"
#include "threadexecutor.h"
#include "singleexecutor.h"
#include <algorithm>
#include <cstddef>
#include <cstring>
#include <list>
#include <map>
#include <memory>
#include <sstream> // IWYU pragma: keep
#include <string>
#include <utility>
#include <vector>
class TestSuppressions : public TestFixture {
public:
TestSuppressions() : TestFixture("TestSuppressions") {}
private:
void run() override {
TEST_CASE(suppressionsBadId1);
TEST_CASE(suppressionsDosFormat); // Ticket #1836
TEST_CASE(suppressionsFileNameWithColon); // Ticket #1919 - filename includes colon
TEST_CASE(suppressionsGlob);
TEST_CASE(suppressionsGlobId);
TEST_CASE(suppressionsFileNameWithExtraPath);
TEST_CASE(suppressionsSettingsFiles);
TEST_CASE(suppressionsSettingsFS);
TEST_CASE(suppressionsSettingsThreadsFiles);
TEST_CASE(suppressionsSettingsThreadsFS);
#if !defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
TEST_CASE(suppressionsSettingsProcessesFiles);
TEST_CASE(suppressionsSettingsProcessesFS);
#endif
TEST_CASE(suppressionsMultiFileFiles);
TEST_CASE(suppressionsMultiFileFS);
TEST_CASE(suppressionsPathSeparator);
TEST_CASE(suppressionsLine0);
TEST_CASE(suppressionsFileComment);
TEST_CASE(inlinesuppress);
TEST_CASE(inlinesuppress_symbolname_Files);
TEST_CASE(inlinesuppress_symbolname_FS);
TEST_CASE(inlinesuppress_comment);
TEST_CASE(multi_inlinesuppress);
TEST_CASE(multi_inlinesuppress_comment);
TEST_CASE(globalSuppressions); // Testing that global suppressions work (#8515)
TEST_CASE(inlinesuppress_unusedFunction); // #4210 - unusedFunction
TEST_CASE(globalsuppress_unusedFunction); // #4946
TEST_CASE(suppressionWithRelativePaths); // #4733
TEST_CASE(suppressingSyntaxErrorsFiles); // #7076
TEST_CASE(suppressingSyntaxErrorsFS); // #7076
TEST_CASE(suppressingSyntaxErrorsInlineFiles); // #5917
TEST_CASE(suppressingSyntaxErrorsInlineFS); // #5917
TEST_CASE(suppressingSyntaxErrorsWhileFileReadFiles); // PR #1333
TEST_CASE(suppressingSyntaxErrorsWhileFileReadFS); // PR #1333
TEST_CASE(symbol);
TEST_CASE(unusedFunctionFiles);
TEST_CASE(unusedFunctionFS);
TEST_CASE(suppressingSyntaxErrorAndExitCodeFiles);
TEST_CASE(suppressingSyntaxErrorAndExitCodeFS);
TEST_CASE(suppressingSyntaxErrorAndExitCodeMultiFileFiles);
TEST_CASE(suppressingSyntaxErrorAndExitCodeMultiFileFS);
TEST_CASE(suppressLocal);
TEST_CASE(suppressUnmatchedSuppressions);
}
void suppressionsBadId1() const {
Suppressions suppressions;
std::istringstream s1("123");
ASSERT_EQUALS("Failed to add suppression. Invalid id \"123\"", suppressions.parseFile(s1));
std::istringstream s2("obsoleteFunctionsrand_r");
ASSERT_EQUALS("", suppressions.parseFile(s2));
}
static Suppressions::ErrorMessage errorMessage(const std::string &errorId) {
Suppressions::ErrorMessage ret;
ret.errorId = errorId;
ret.hash = 0;
ret.lineNumber = 0;
ret.certainty = Certainty::normal;
return ret;
}
static Suppressions::ErrorMessage errorMessage(const std::string &errorId, const std::string &file, int line) {
Suppressions::ErrorMessage ret;
ret.errorId = errorId;
ret.setFileName(file);
ret.lineNumber = line;
return ret;
}
void suppressionsDosFormat() const {
Suppressions suppressions;
std::istringstream s("abc\r\n"
"def\r\n");
ASSERT_EQUALS("", suppressions.parseFile(s));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("abc")));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("def")));
}
void suppressionsFileNameWithColon() const {
Suppressions suppressions;
std::istringstream s("errorid:c:\\foo.cpp\n"
"errorid:c:\\bar.cpp:12");
ASSERT_EQUALS("", suppressions.parseFile(s));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "c:/foo.cpp", 1111)));
ASSERT_EQUALS(false, suppressions.isSuppressed(errorMessage("errorid", "c:/bar.cpp", 10)));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "c:/bar.cpp", 12)));
}
void suppressionsGlob() const {
// Check for syntax errors in glob
{
Suppressions suppressions;
std::istringstream s("errorid:**.cpp\n");
ASSERT_EQUALS("Failed to add suppression. Invalid glob pattern '**.cpp'.", suppressions.parseFile(s));
}
// Check that globbing works
{
Suppressions suppressions;
std::istringstream s("errorid:x*.cpp\n"
"errorid:y?.cpp\n"
"errorid:test.c*");
ASSERT_EQUALS("", suppressions.parseFile(s));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "xyz.cpp", 1)));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "xyz.cpp.cpp", 1)));
ASSERT_EQUALS(false, suppressions.isSuppressed(errorMessage("errorid", "abc.cpp", 1)));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "ya.cpp", 1)));
ASSERT_EQUALS(false, suppressions.isSuppressed(errorMessage("errorid", "y.cpp", 1)));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "test.c", 1)));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "test.cpp", 1)));
}
// Check that both a filename match and a glob match apply
{
Suppressions suppressions;
std::istringstream s("errorid:x*.cpp\n"
"errorid:xyz.cpp:1\n"
"errorid:a*.cpp:1\n"
"errorid:abc.cpp:2");
ASSERT_EQUALS("", suppressions.parseFile(s));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "xyz.cpp", 1)));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "xyz.cpp", 2)));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "abc.cpp", 1)));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "abc.cpp", 2)));
}
}
void suppressionsGlobId() const {
Suppressions suppressions;
std::istringstream s("a*\n");
ASSERT_EQUALS("", suppressions.parseFile(s));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("abc", "xyz.cpp", 1)));
ASSERT_EQUALS(false, suppressions.isSuppressed(errorMessage("def", "xyz.cpp", 1)));
}
void suppressionsFileNameWithExtraPath() const {
// Ticket #2797
Suppressions suppressions;
ASSERT_EQUALS("", suppressions.addSuppressionLine("errorid:./a.c:123"));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "a.c", 123)));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("errorid", "x/../a.c", 123)));
}
unsigned int checkSuppressionFiles(const char code[], const std::string &suppression = emptyString) {
return _checkSuppression(code, false, suppression);
}
unsigned int checkSuppressionFS(const char code[], const std::string &suppression = emptyString) {
return _checkSuppression(code, true, suppression);
}
// Check the suppression
unsigned int _checkSuppression(const char code[], bool useFS, const std::string &suppression = emptyString) {
std::map<std::string, std::string> files;
files["test.cpp"] = code;
return _checkSuppression(files, useFS, suppression);
}
unsigned int checkSuppressionFiles(std::map<std::string, std::string> &f, const std::string &suppression = emptyString) {
return _checkSuppression(f, false, suppression);
}
unsigned int checkSuppressionFS(std::map<std::string, std::string> &f, const std::string &suppression = emptyString) {
return _checkSuppression(f, true, suppression);
}
// Check the suppression for multiple files
unsigned int _checkSuppression(std::map<std::string, std::string> &f, bool useFS, const std::string &suppression = emptyString) {
// Clear the error log
errout.str("");
CheckUnusedFunctions::clear();
std::list<FileSettings> fileSettings;
std::list<std::pair<std::string, std::size_t>> filelist;
for (std::map<std::string, std::string>::const_iterator i = f.cbegin(); i != f.cend(); ++i) {
filelist.emplace_back(i->first, i->second.size());
if (useFS) {
FileSettings fs;
fs.filename = i->first;
fileSettings.emplace_back(std::move(fs));
}
}
CppCheck cppCheck(*this, true, nullptr);
Settings& settings = cppCheck.settings();
settings.jobs = 1;
settings.quiet = true;
settings.inlineSuppressions = true;
settings.severity.enable(Severity::information);
if (suppression == "unusedFunction")
settings.checks.setEnabled(Checks::unusedFunction, true);
if (!suppression.empty()) {
EXPECT_EQ("", settings.nomsg.addSuppressionLine(suppression));
}
std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
scopedfiles.reserve(filelist.size());
for (std::map<std::string, std::string>::const_iterator i = f.cbegin(); i != f.cend(); ++i)
scopedfiles.emplace_back(new ScopedFile(i->first, i->second));
// clear files list so only fileSettings are used
if (useFS)
filelist.clear();
SingleExecutor executor(cppCheck, filelist, fileSettings, settings, settings.nomsg, *this);
const unsigned int exitCode = executor.check();
CppCheckExecutor::reportSuppressions(settings, settings.nomsg, false, filelist, fileSettings, *this); // TODO: check result
return exitCode;
}
unsigned int checkSuppressionThreadsFiles(const char code[], const std::string &suppression = emptyString) {
return _checkSuppressionThreads(code, false, suppression);
}
unsigned int checkSuppressionThreadsFS(const char code[], const std::string &suppression = emptyString) {
return _checkSuppressionThreads(code, true, suppression);
}
unsigned int _checkSuppressionThreads(const char code[], bool useFS, const std::string &suppression = emptyString) {
errout.str("");
CheckUnusedFunctions::clear();
std::list<FileSettings> fileSettings;
std::list<std::pair<std::string, std::size_t>> filelist;
filelist.emplace_back("test.cpp", strlen(code));
if (useFS) {
FileSettings fs;
fs.filename = "test.cpp";
fileSettings.emplace_back(std::move(fs));
}
Settings settings;
settings.jobs = 2;
settings.quiet = true;
settings.inlineSuppressions = true;
settings.severity.enable(Severity::information);
if (!suppression.empty()) {
EXPECT_EQ("", settings.nomsg.addSuppressionLine(suppression));
}
std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
scopedfiles.reserve(filelist.size());
for (std::list<std::pair<std::string, std::size_t>>::const_iterator i = filelist.cbegin(); i != filelist.cend(); ++i)
scopedfiles.emplace_back(new ScopedFile(i->first, code));
// clear files list so only fileSettings are used
if (useFS)
filelist.clear();
ThreadExecutor executor(filelist, fileSettings, settings, settings.nomsg, *this, CppCheckExecutor::executeCommand);
const unsigned int exitCode = executor.check();
CppCheckExecutor::reportSuppressions(settings, settings.nomsg, false, filelist, fileSettings, *this); // TODO: check result
return exitCode;
}
#if !defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
unsigned int checkSuppressionProcessesFiles(const char code[], const std::string &suppression = emptyString) {
return _checkSuppressionProcesses(code, false, suppression);
}
unsigned int checkSuppressionProcessesFS(const char code[], const std::string &suppression = emptyString) {
return _checkSuppressionProcesses(code, true, suppression);
}
unsigned int _checkSuppressionProcesses(const char code[], bool useFS, const std::string &suppression = emptyString) {
errout.str("");
CheckUnusedFunctions::clear();
std::list<FileSettings> fileSettings;
std::list<std::pair<std::string, std::size_t>> filelist;
filelist.emplace_back("test.cpp", strlen(code));
if (useFS) {
FileSettings fs;
fs.filename = "test.cpp";
fileSettings.emplace_back(std::move(fs));
}
Settings settings;
settings.jobs = 2;
settings.quiet = true;
settings.inlineSuppressions = true;
settings.severity.enable(Severity::information);
if (!suppression.empty()) {
EXPECT_EQ("", settings.nomsg.addSuppressionLine(suppression));
}
std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
scopedfiles.reserve(filelist.size());
for (std::list<std::pair<std::string, std::size_t>>::const_iterator i = filelist.cbegin(); i != filelist.cend(); ++i)
scopedfiles.emplace_back(new ScopedFile(i->first, code));
// clear files list so only fileSettings are used
if (useFS)
filelist.clear();
ProcessExecutor executor(filelist, fileSettings, settings, settings.nomsg, *this, CppCheckExecutor::executeCommand);
const unsigned int exitCode = executor.check();
CppCheckExecutor::reportSuppressions(settings, settings.nomsg, false, filelist, fileSettings, *this); // TODO: check result
return exitCode;
}
#endif
void runChecks(unsigned int (TestSuppressions::*check)(const char[], const std::string &)) {
// check to make sure the appropriate errors are present
ASSERT_EQUALS(1, (this->*check)("void f() {\n"
" int a;\n"
" a++;\n"
"}\n",
""));
ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str());
ASSERT_EQUALS(1, (this->*check)("void f() {\n"
" int a;\n"
" a++;\n"
" int b;\n"
" b++;\n"
"}\n",
""));
ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n"
"[test.cpp:5]: (error) Uninitialized variable: b\n", errout.str());
// suppress uninitvar globally
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" a++;\n"
"}\n",
"uninitvar"));
ASSERT_EQUALS("", errout.str());
(this->*check)("void f() {\n"
" // cppcheck-suppress-file uninitvar\n"
" int a;\n"
" a++;\n"
"}\n",
"");
ASSERT_EQUALS("[test.cpp:2]: (error) File suppression should be at the top of the file\n"
"[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str());
(this->*check)("void f() {\n"
" int a;\n"
" a++;\n"
"}\n"
"// cppcheck-suppress-file uninitvar\n",
"");
ASSERT_EQUALS("[test.cpp:5]: (error) File suppression should be at the top of the file\n"
"[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str());
ASSERT_EQUALS(0, (this->*check)("// cppcheck-suppress-file uninitvar\n"
"void f() {\n"
" int a;\n"
" a++;\n"
" int b;\n"
" b++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
ASSERT_EQUALS(0, (this->*check)("/* Fake file description\n"
" * End\n"
" */\n"
"\n"
"// cppcheck-suppress-file uninitvar\n"
"\n"
"void f() {\n"
" int a;\n"
" a++;\n"
" int b;\n"
" b++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
(this->*check)("// cppcheck-suppress-file uninitvar\n"
"void f() {\n"
" int a;\n"
" a++;\n"
" int b;\n"
" b++;\n"
"}\n",
"");
ASSERT_EQUALS("", errout.str());
// suppress uninitvar globally, without error present
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" b++;\n"
"}\n",
"uninitvar"));
ASSERT_EQUALS("(information) Unmatched suppression: uninitvar\n", errout.str());
(this->*check)("// cppcheck-suppress-file uninitvar\n"
"void f() {\n"
" int a;\n"
" b++;\n"
"}\n",
"");
ASSERT_EQUALS("[test.cpp:1]: (information) Unmatched suppression: uninitvar\n", errout.str());
// suppress uninitvar for this file only
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" a++;\n"
"}\n",
"uninitvar:test.cpp"));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar for this file only, without error present
(this->*check)("void f() {\n"
" int a;\n"
" b++;\n"
"}\n",
"uninitvar:test.cpp");
ASSERT_EQUALS("[test.cpp]: (information) Unmatched suppression: uninitvar\n", errout.str());
// suppress all for this file only
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" a++;\n"
"}\n",
"*:test.cpp"));
ASSERT_EQUALS("", errout.str());
// suppress all for this file only, without error present
(this->*check)("void f() {\n"
" int a;\n"
" b++;\n"
"}\n",
"*:test.cpp");
ASSERT_EQUALS("[test.cpp]: (information) Unmatched suppression: *\n", errout.str());
// suppress uninitvar for this file and line
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" a++;\n"
"}\n",
"uninitvar:test.cpp:3"));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar for this file and line, without error present
(this->*check)("void f() {\n"
" int a;\n"
" b++;\n"
"}\n",
"uninitvar:test.cpp:3");
ASSERT_EQUALS("[test.cpp:3]: (information) Unmatched suppression: uninitvar\n", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress uninitvar\n"
" a++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress uninitvar\n"
"\n"
" a++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" a++;// cppcheck-suppress uninitvar\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" /* cppcheck-suppress uninitvar */\n"
" a++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" /* cppcheck-suppress uninitvar */\n"
"\n"
" a++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" a++;/* cppcheck-suppress uninitvar */\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress[uninitvar]\n"
" a++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress[uninitvar]\n"
" a++;\n"
"\n"
" a++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" a++;// cppcheck-suppress[uninitvar]\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" /* cppcheck-suppress[uninitvar]*/\n"
" a++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" /* cppcheck-suppress[uninitvar]*/\n"
"\n"
" a++;\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" int a;\n"
" a++;/* cppcheck-suppress[uninitvar]*/\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline, with asm before (#6813)
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" __asm {\n"
" foo\n"
" }"
" int a;\n"
" // cppcheck-suppress uninitvar\n"
" a++;\n"
"}",
""));
ASSERT_EQUALS("", errout.str());
// suppress uninitvar inline, without error present
(this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress uninitvar\n"
" b++;\n"
"}\n",
"");
ASSERT_EQUALS("[test.cpp:4]: (information) Unmatched suppression: uninitvar\n", errout.str());
// suppress block inline checks
ASSERT_EQUALS(0, (this->*check)("void f() {\n"
" // cppcheck-suppress-begin uninitvar\n"
" int a;\n"
" a++;\n"
" int b;\n"
" b++;\n"
" // cppcheck-suppress-end uninitvar\n"
"}\n",
""));
ASSERT_EQUALS("", errout.str());
ASSERT_EQUALS(1, (this->*check)("void f() {\n"
" // cppcheck-suppress-begin uninitvar\n"
" int a;\n"
" a++;\n"
" int b;\n"
" b++;\n"
"}\n",
""));
ASSERT_EQUALS("[test.cpp:2]: (error) Suppress Begin: No matching end\n"
"[test.cpp:4]: (error) Uninitialized variable: a\n"
"[test.cpp:6]: (error) Uninitialized variable: b\n", errout.str());
ASSERT_EQUALS(1, (this->*check)("void f() {\n"
" int a;\n"
" a++;\n"
" int b;\n"
" b++;\n"
" // cppcheck-suppress-end uninitvar\n"
"}\n",
""));
ASSERT_EQUALS("[test.cpp:6]: (error) Suppress End: No matching begin\n"
"[test.cpp:3]: (error) Uninitialized variable: a\n"
"[test.cpp:5]: (error) Uninitialized variable: b\n", errout.str());
ASSERT_EQUALS(1, (this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
" int b;\n"
" b++;\n"
"}\n",
""));
ASSERT_EQUALS("[test.cpp:7]: (error) Uninitialized variable: b\n", errout.str());
ASSERT_EQUALS(1, (this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
" int b;\n"
" b++;\n"
"}\n",
""));
ASSERT_EQUALS("[test.cpp:7]: (error) Uninitialized variable: b\n", errout.str());
ASSERT_EQUALS(1, (this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin[uninitvar]\n"
" a++;\n"
" // cppcheck-suppress-end[uninitvar]\n"
" int b;\n"
" b++;\n"
"}\n",
""));
ASSERT_EQUALS("[test.cpp:7]: (error) Uninitialized variable: b\n", errout.str());
ASSERT_EQUALS(1, (this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin [uninitvar]\n"
" a++;\n"
" // cppcheck-suppress-end [uninitvar]\n"
" int b;\n"
" b++;\n"
"}\n",
""));
ASSERT_EQUALS("[test.cpp:7]: (error) Uninitialized variable: b\n", errout.str());
(this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
" int b;\n"
" // cppcheck-suppress-begin uninitvar\n"
" b++;\n"
" // cppcheck-suppress-end uninitvar\n"
"}\n",
"");
ASSERT_EQUALS("", errout.str());
(this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
" // cppcheck-suppress-begin uninitvar\n"
" int b;\n"
" b++;\n"
" // cppcheck-suppress-end uninitvar\n"
"}\n",
"");
ASSERT_EQUALS("", errout.str());
(this->*check)("void f() {\n"
" // cppcheck-suppress-begin [uninitvar]\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
" int b;\n"
" // cppcheck-suppress-begin uninitvar\n"
" b++;\n"
" // cppcheck-suppress-end uninitvar\n"
" // cppcheck-suppress-end [uninitvar]\n"
"}\n",
"");
ASSERT_EQUALS("", errout.str());
(this->*check)("void f() {\n"
" // cppcheck-suppress-begin [uninitvar, syntaxError]\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
" int b;\n"
" // cppcheck-suppress-begin uninitvar\n"
" b++;\n"
" // cppcheck-suppress-end uninitvar\n"
" // cppcheck-suppress-end [uninitvar, syntaxError]\n"
"}\n",
"");
ASSERT_EQUALS("[test.cpp:2]: (information) Unmatched suppression: syntaxError\n", errout.str());
(this->*check)("// cppcheck-suppress-begin [uninitvar, syntaxError]\n"
"void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
" int b;\n"
" // cppcheck-suppress-begin uninitvar\n"
" b++;\n"
" // cppcheck-suppress-end uninitvar\n"
"}\n"
"// cppcheck-suppress-end [uninitvar, syntaxError]\n",
"");
ASSERT_EQUALS("[test.cpp:1]: (information) Unmatched suppression: syntaxError\n", errout.str());
(this->*check)("// cppcheck-suppress-begin [uninitvar, syntaxError]\n"
"void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
" int b;\n"
" // cppcheck-suppress-begin uninitvar\n"
" b++;\n"
" // cppcheck-suppress-end uninitvar\n"
"}\n"
"// cppcheck-suppress-end [uninitvar, syntaxError]",
"");
ASSERT_EQUALS("[test.cpp:1]: (information) Unmatched suppression: syntaxError\n", errout.str());
// test of multiple suppression types
(this->*check)("// cppcheck-suppress-file uninitvar\n"
"void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" // cppcheck-suppress uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
"}\n",
"");
ASSERT_EQUALS("", errout.str());
(this->*check)("void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" // cppcheck-suppress uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
"}\n",
"");
ASSERT_EQUALS("", errout.str());
(this->*check)("// cppcheck-suppress-file uninitvar\n"
"void f() {\n"
" int a;\n"
" // cppcheck-suppress uninitvar\n"
" a++;\n"
"}\n",
"");
ASSERT_EQUALS("", errout.str());
(this->*check)("// cppcheck-suppress-file uninitvar\n"
"void f() {\n"
" int a;\n"
" // cppcheck-suppress-begin uninitvar\n"
" a++;\n"
" // cppcheck-suppress-end uninitvar\n"
"}\n",
"");
ASSERT_EQUALS("", errout.str());
(this->*check)("// cppcheck-suppress-file uninitvar\n"
"void f() {\n"
" // cppcheck-suppress uninitvar\n"
" int a;\n"
" a++;\n"
"}\n",
"");
ASSERT_EQUALS("[test.cpp:4]: (information) Unmatched suppression: uninitvar\n", errout.str());
// #5746 - exitcode
ASSERT_EQUALS(1U,
(this->*check)("int f() {\n"
" int a; return a;\n"
"}\n",
""));
ASSERT_EQUALS(0U,
(this->*check)("int f() {\n"
" int a; return a;\n"
"}\n",
"uninitvar"));
// cppcheck-suppress-macro
(this->*check)("// cppcheck-suppress-macro zerodiv\n"
"#define DIV(A,B) A/B\n"
"a = DIV(10,0);\n",
"");
ASSERT_EQUALS("", errout.str());
(this->*check)("// cppcheck-suppress-macro abc\n"
"#define DIV(A,B) A/B\n"
"a = DIV(10,1);\n",
"");
ASSERT_EQUALS("", errout.str()); // <- no unmatched suppression reported for macro suppression
}
void suppressionsSettingsFiles() {
runChecks(&TestSuppressions::checkSuppressionFiles);
}
static void suppressionsSettingsFS() {
// TODO
// runChecks(&TestSuppressions::checkSuppressionFS);
}
void suppressionsSettingsThreadsFiles() {
runChecks(&TestSuppressions::checkSuppressionThreadsFiles);
}
void suppressionsSettingsThreadsFS() {
runChecks(&TestSuppressions::checkSuppressionThreadsFS);
}
#if !defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
void suppressionsSettingsProcessesFiles() {
runChecks(&TestSuppressions::checkSuppressionProcessesFiles);
}
void suppressionsSettingsProcessesFS() {
runChecks(&TestSuppressions::checkSuppressionProcessesFS);
}
#endif
void suppressionsMultiFileInternal(unsigned int (TestSuppressions::*check)(std::map<std::string, std::string> &f, const std::string &)) {
std::map<std::string, std::string> files;
files["abc.cpp"] = "void f() {\n"
"}\n";
files["xyz.cpp"] = "void f() {\n"
" int a;\n"
" a++;\n"
"}\n";
// suppress uninitvar for this file and line
ASSERT_EQUALS(0, (this->*check)(files, "uninitvar:xyz.cpp:3"));
ASSERT_EQUALS("", errout.str());
}
void suppressionsMultiFileFiles() {
suppressionsMultiFileInternal(&TestSuppressions::checkSuppressionFiles);
}
void suppressionsMultiFileFS() {
suppressionsMultiFileInternal(&TestSuppressions::checkSuppressionFS);
}
void suppressionsPathSeparator() const {
const Suppressions::Suppression s1("*", "test/foo/*");
ASSERT_EQUALS(true, s1.isSuppressed(errorMessage("someid", "test/foo/bar.cpp", 142)));
const Suppressions::Suppression s2("abc", "include/1.h");
ASSERT_EQUALS(true, s2.isSuppressed(errorMessage("abc", "include/1.h", 142)));
}
void suppressionsLine0() const {
Suppressions suppressions;
ASSERT_EQUALS("", suppressions.addSuppressionLine("syntaxError:*:0"));
ASSERT_EQUALS(true, suppressions.isSuppressed(errorMessage("syntaxError", "test.cpp", 0)));
}
void suppressionsFileComment() const {
std::istringstream file1("# comment\n"
"abc");
Suppressions suppressions1;
ASSERT_EQUALS("", suppressions1.parseFile(file1));
ASSERT_EQUALS(true, suppressions1.isSuppressed(errorMessage("abc", "test.cpp", 123)));
std::istringstream file2("// comment\n"
"abc");
Suppressions suppressions2;
ASSERT_EQUALS("", suppressions2.parseFile(file2));
ASSERT_EQUALS(true, suppressions2.isSuppressed(errorMessage("abc", "test.cpp", 123)));
std::istringstream file3("abc // comment");
Suppressions suppressions3;
ASSERT_EQUALS("", suppressions3.parseFile(file3));
ASSERT_EQUALS(true, suppressions3.isSuppressed(errorMessage("abc", "test.cpp", 123)));
std::istringstream file4("abc\t\t # comment");
Suppressions suppressions4;
ASSERT_EQUALS("", suppressions4.parseFile(file4));
ASSERT_EQUALS(true, suppressions4.isSuppressed(errorMessage("abc", "test.cpp", 123)));
std::istringstream file5("abc:test.cpp\t\t # comment");
Suppressions suppressions5;
ASSERT_EQUALS("", suppressions5.parseFile(file5));
ASSERT_EQUALS(true, suppressions5.isSuppressed(errorMessage("abc", "test.cpp", 123)));
std::istringstream file6("abc:test.cpp:123\t\t # comment with . inside");
Suppressions suppressions6;
ASSERT_EQUALS("", suppressions6.parseFile(file6));
ASSERT_EQUALS(true, suppressions6.isSuppressed(errorMessage("abc", "test.cpp", 123)));
}
void inlinesuppress() const {
Suppressions::Suppression s;
std::string msg;
// Suppress without attribute
ASSERT_EQUALS(false, s.parseComment("/* some text */", &msg));
ASSERT_EQUALS(false, s.parseComment("/* cppcheck-suppress */", &msg));
ASSERT_EQUALS(false, s.parseComment("/* cppcheck-suppress-file */", &msg));
ASSERT_EQUALS(false, s.parseComment("/* cppcheck-suppress-begin */", &msg));
ASSERT_EQUALS(false, s.parseComment("/* cppcheck-suppress-end */", &msg));
// Correct suppress