460 lines
21 KiB
C++
460 lines
21 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2022 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "cppcheck.h"
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#include "errorlogger.h"
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#include "errortypes.h"
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#include "suppressions.h"
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#include "testsuite.h"
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#include <iosfwd>
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#include <list>
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#include <memory>
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#include <string>
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#include <tinyxml2.h>
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class TestErrorLogger : public TestFixture {
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public:
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TestErrorLogger() : TestFixture("TestErrorLogger"), fooCpp5("foo.cpp", 5, 1), barCpp8("bar.cpp", 8, 1) {}
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private:
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const ErrorMessage::FileLocation fooCpp5;
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const ErrorMessage::FileLocation barCpp8;
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void run() override {
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TEST_CASE(PatternSearchReplace);
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TEST_CASE(FileLocationDefaults);
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TEST_CASE(FileLocationSetFile);
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TEST_CASE(ErrorMessageConstruct);
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TEST_CASE(ErrorMessageConstructLocations);
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TEST_CASE(ErrorMessageVerbose);
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TEST_CASE(ErrorMessageVerboseLocations);
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TEST_CASE(CustomFormat);
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TEST_CASE(CustomFormat2);
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TEST_CASE(CustomFormatLocations);
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TEST_CASE(ToXmlV2);
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TEST_CASE(ToXmlV2Locations);
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TEST_CASE(ToXmlV2Encoding);
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TEST_CASE(FromXmlV2);
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// Inconclusive results in xml reports..
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TEST_CASE(InconclusiveXml);
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// Serialize / Deserialize inconclusive message
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TEST_CASE(SerializeInconclusiveMessage);
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TEST_CASE(DeserializeInvalidInput);
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TEST_CASE(SerializeSanitize);
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TEST_CASE(SerializeFileLocation);
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TEST_CASE(suppressUnmatchedSuppressions);
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}
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void TestPatternSearchReplace(const std::string& idPlaceholder, const std::string& id) const {
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const std::string plainText = "text";
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ErrorMessage message;
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message.id = id;
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std::string serialized = message.toString(true, idPlaceholder + plainText + idPlaceholder);
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ASSERT_EQUALS(id + plainText + id, serialized);
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serialized = message.toString(true, idPlaceholder + idPlaceholder);
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ASSERT_EQUALS(id + id, serialized);
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serialized = message.toString(true, plainText + idPlaceholder + plainText);
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ASSERT_EQUALS(plainText + id + plainText, serialized);
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}
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void PatternSearchReplace() const {
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const std::string idPlaceholder = "{id}";
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const std::string empty;
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TestPatternSearchReplace(idPlaceholder, empty);
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const std::string shortIdValue = "ID";
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ASSERT_EQUALS(true, shortIdValue.length() < idPlaceholder.length());
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TestPatternSearchReplace(idPlaceholder, shortIdValue);
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const std::string mediumIdValue = "_ID_";
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ASSERT_EQUALS(mediumIdValue.length(), idPlaceholder.length());
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TestPatternSearchReplace(idPlaceholder, mediumIdValue);
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const std::string longIdValue = "longId";
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ASSERT_EQUALS(true, longIdValue.length() > idPlaceholder.length());
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TestPatternSearchReplace(idPlaceholder, longIdValue);
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}
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void FileLocationDefaults() const {
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ErrorMessage::FileLocation loc;
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ASSERT_EQUALS("", loc.getfile());
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ASSERT_EQUALS(0, loc.line);
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}
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void FileLocationSetFile() const {
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ErrorMessage::FileLocation loc;
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loc.setfile("foo.cpp");
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ASSERT_EQUALS("foo.cpp", loc.getfile());
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ASSERT_EQUALS(0, loc.line);
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}
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void ErrorMessageConstruct() const {
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std::list<ErrorMessage::FileLocation> locs(1, fooCpp5);
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.", "errorId", Certainty::normal);
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ASSERT_EQUALS(1, msg.callStack.size());
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ASSERT_EQUALS("Programming error.", msg.shortMessage());
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ASSERT_EQUALS("Programming error.", msg.verboseMessage());
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ASSERT_EQUALS("[foo.cpp:5]: (error) Programming error.", msg.toString(false));
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ASSERT_EQUALS("[foo.cpp:5]: (error) Programming error.", msg.toString(true));
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}
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void ErrorMessageConstructLocations() const {
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std::list<ErrorMessage::FileLocation> locs = { fooCpp5, barCpp8 };
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.", "errorId", Certainty::normal);
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ASSERT_EQUALS(2, msg.callStack.size());
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ASSERT_EQUALS("Programming error.", msg.shortMessage());
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ASSERT_EQUALS("Programming error.", msg.verboseMessage());
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ASSERT_EQUALS("[foo.cpp:5] -> [bar.cpp:8]: (error) Programming error.", msg.toString(false));
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ASSERT_EQUALS("[foo.cpp:5] -> [bar.cpp:8]: (error) Programming error.", msg.toString(true));
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}
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void ErrorMessageVerbose() const {
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std::list<ErrorMessage::FileLocation> locs(1, fooCpp5);
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.\nVerbose error", "errorId", Certainty::normal);
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ASSERT_EQUALS(1, msg.callStack.size());
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ASSERT_EQUALS("Programming error.", msg.shortMessage());
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ASSERT_EQUALS("Verbose error", msg.verboseMessage());
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ASSERT_EQUALS("[foo.cpp:5]: (error) Programming error.", msg.toString(false));
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ASSERT_EQUALS("[foo.cpp:5]: (error) Verbose error", msg.toString(true));
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}
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void ErrorMessageVerboseLocations() const {
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std::list<ErrorMessage::FileLocation> locs = { fooCpp5, barCpp8 };
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.\nVerbose error", "errorId", Certainty::normal);
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ASSERT_EQUALS(2, msg.callStack.size());
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ASSERT_EQUALS("Programming error.", msg.shortMessage());
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ASSERT_EQUALS("Verbose error", msg.verboseMessage());
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ASSERT_EQUALS("[foo.cpp:5] -> [bar.cpp:8]: (error) Programming error.", msg.toString(false));
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ASSERT_EQUALS("[foo.cpp:5] -> [bar.cpp:8]: (error) Verbose error", msg.toString(true));
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}
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void CustomFormat() const {
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std::list<ErrorMessage::FileLocation> locs(1, fooCpp5);
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.\nVerbose error", "errorId", Certainty::normal);
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ASSERT_EQUALS(1, msg.callStack.size());
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ASSERT_EQUALS("Programming error.", msg.shortMessage());
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ASSERT_EQUALS("Verbose error", msg.verboseMessage());
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ASSERT_EQUALS("foo.cpp:5,error,errorId,Programming error.", msg.toString(false, "{file}:{line},{severity},{id},{message}"));
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ASSERT_EQUALS("foo.cpp:5,error,errorId,Verbose error", msg.toString(true, "{file}:{line},{severity},{id},{message}"));
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}
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void CustomFormat2() const {
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std::list<ErrorMessage::FileLocation> locs(1, fooCpp5);
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.\nVerbose error", "errorId", Certainty::normal);
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ASSERT_EQUALS(1, msg.callStack.size());
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ASSERT_EQUALS("Programming error.", msg.shortMessage());
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ASSERT_EQUALS("Verbose error", msg.verboseMessage());
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ASSERT_EQUALS("Programming error. - foo.cpp(5):(error,errorId)", msg.toString(false, "{message} - {file}({line}):({severity},{id})"));
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ASSERT_EQUALS("Verbose error - foo.cpp(5):(error,errorId)", msg.toString(true, "{message} - {file}({line}):({severity},{id})"));
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}
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void CustomFormatLocations() const {
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// Check that first location from location stack is used in template
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std::list<ErrorMessage::FileLocation> locs = { fooCpp5, barCpp8 };
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.\nVerbose error", "errorId", Certainty::normal);
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ASSERT_EQUALS(2, msg.callStack.size());
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ASSERT_EQUALS("Programming error.", msg.shortMessage());
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ASSERT_EQUALS("Verbose error", msg.verboseMessage());
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ASSERT_EQUALS("Programming error. - bar.cpp(8):(error,errorId)", msg.toString(false, "{message} - {file}({line}):({severity},{id})"));
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ASSERT_EQUALS("Verbose error - bar.cpp(8):(error,errorId)", msg.toString(true, "{message} - {file}({line}):({severity},{id})"));
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}
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void ToXmlV2() const {
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std::list<ErrorMessage::FileLocation> locs(1, fooCpp5);
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.\nVerbose error", "errorId", Certainty::normal);
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std::string header("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<results version=\"2\">\n");
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header += " <cppcheck version=\"";
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header += CppCheck::version();
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header += "\"/>\n <errors>";
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ASSERT_EQUALS(header, ErrorMessage::getXMLHeader(""));
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ASSERT_EQUALS(" </errors>\n</results>", ErrorMessage::getXMLFooter());
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std::string message(" <error id=\"errorId\" severity=\"error\"");
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message += " msg=\"Programming error.\" verbose=\"Verbose error\">\n";
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message += " <location file=\"foo.cpp\" line=\"5\" column=\"1\"/>\n </error>";
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ASSERT_EQUALS(message, msg.toXML());
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}
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void ToXmlV2Locations() const {
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std::list<ErrorMessage::FileLocation> locs = { fooCpp5, barCpp8 };
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locs.back().setinfo("ä");
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.\nVerbose error", "errorId", Certainty::normal);
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std::string header("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<results version=\"2\">\n");
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header += " <cppcheck version=\"";
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header += CppCheck::version();
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header += "\"/>\n <errors>";
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ASSERT_EQUALS(header, ErrorMessage::getXMLHeader(""));
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ASSERT_EQUALS(" </errors>\n</results>", ErrorMessage::getXMLFooter());
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std::string message(" <error id=\"errorId\" severity=\"error\"");
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message += " msg=\"Programming error.\" verbose=\"Verbose error\">\n";
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message += " <location file=\"bar.cpp\" line=\"8\" column=\"1\" info=\"\\303\\244\"/>\n";
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message += " <location file=\"foo.cpp\" line=\"5\" column=\"1\"/>\n </error>";
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ASSERT_EQUALS(message, msg.toXML());
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}
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void ToXmlV2Encoding() const {
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{
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std::list<ErrorMessage::FileLocation> locs;
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error.\nComparing \"\203\" with \"\003\"", "errorId", Certainty::normal);
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const std::string expected(" <error id=\"errorId\" severity=\"error\" msg=\"Programming error.\" verbose=\"Comparing "\\203" with "\\003"\"/>");
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ASSERT_EQUALS(expected, msg.toXML());
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}
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{
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const char code1[]="äöü";
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const char code2[]="\x12\x00\x00\x01";
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std::list<ErrorMessage::FileLocation> locs;
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ErrorMessage msg1(locs, emptyString, Severity::error, std::string("Programming error.\nReading \"")+code1+"\"", "errorId", Certainty::normal);
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ASSERT_EQUALS(" <error id=\"errorId\" severity=\"error\" msg=\"Programming error.\" verbose=\"Reading "\\303\\244\\303\\266\\303\\274"\"/>", msg1.toXML());
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ErrorMessage msg2(locs, emptyString, Severity::error, std::string("Programming error.\nReading \"")+code2+"\"", "errorId", Certainty::normal);
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ASSERT_EQUALS(" <error id=\"errorId\" severity=\"error\" msg=\"Programming error.\" verbose=\"Reading "\\022"\"/>", msg2.toXML());
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}
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}
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void FromXmlV2() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<error id=\"errorId\""
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" severity=\"error\""
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" cwe=\"123\""
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" inconclusive=\"true\""
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" msg=\"Programming error.\""
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" verbose=\"Verbose error\""
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" hash=\"456\""
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">\n"
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" <location file=\"bar.cpp\" line=\"8\" column=\"1\"/>\n"
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" <location file=\"foo.cpp\" line=\"5\" column=\"2\"/>\n"
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"</error>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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ErrorMessage msg(doc.FirstChildElement());
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ASSERT_EQUALS("errorId", msg.id);
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ASSERT_EQUALS(Severity::error, msg.severity);
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ASSERT_EQUALS(123u, msg.cwe.id);
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ASSERT_EQUALS(Certainty::inconclusive, msg.certainty);
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ASSERT_EQUALS("Programming error.", msg.shortMessage());
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ASSERT_EQUALS("Verbose error", msg.verboseMessage());
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ASSERT_EQUALS(456u, msg.hash);
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ASSERT_EQUALS(2u, msg.callStack.size());
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ASSERT_EQUALS("foo.cpp", msg.callStack.front().getfile());
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ASSERT_EQUALS(5, msg.callStack.front().line);
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ASSERT_EQUALS(2u, msg.callStack.front().column);
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ASSERT_EQUALS("bar.cpp", msg.callStack.back().getfile());
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ASSERT_EQUALS(8, msg.callStack.back().line);
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ASSERT_EQUALS(1u, msg.callStack.back().column);
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}
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void InconclusiveXml() const {
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// Location
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std::list<ErrorMessage::FileLocation> locs(1, fooCpp5);
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// Inconclusive error message
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error", "errorId", Certainty::inconclusive);
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// xml version 2 error message
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ASSERT_EQUALS(" <error id=\"errorId\" severity=\"error\" msg=\"Programming error\" verbose=\"Programming error\" inconclusive=\"true\">\n"
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" <location file=\"foo.cpp\" line=\"5\" column=\"1\"/>\n"
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" </error>",
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msg.toXML());
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}
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void SerializeInconclusiveMessage() const {
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// Inconclusive error message
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std::list<ErrorMessage::FileLocation> locs;
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error", "errorId", Certainty::inconclusive);
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msg.file0 = "test.cpp";
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ASSERT_EQUALS("7 errorId"
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"5 error"
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"1 0"
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"1 0"
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"8 test.cpp"
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"12 inconclusive"
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"17 Programming error"
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"17 Programming error"
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"0 ", msg.serialize());
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ErrorMessage msg2;
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ASSERT(msg2.deserialize(msg.serialize()));
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ASSERT_EQUALS("errorId", msg2.id);
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ASSERT_EQUALS(Severity::error, msg2.severity);
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ASSERT_EQUALS("test.cpp", msg2.file0);
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ASSERT_EQUALS(Certainty::inconclusive, msg2.certainty);
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ASSERT_EQUALS("Programming error", msg2.shortMessage());
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ASSERT_EQUALS("Programming error", msg2.verboseMessage());
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}
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void DeserializeInvalidInput() const {
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{
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// missing/invalid length
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// missing separator
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ErrorMessage msg;
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ASSERT(!msg.deserialize("500foobar"));
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}
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{
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// invalid length
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ErrorMessage msg;
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ASSERT(!msg.deserialize("foo foobar"));
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}
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{
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// mismatching length
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ErrorMessage msg;
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ASSERT(!msg.deserialize("8 errorId"));
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}
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{
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// incomplete message
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ErrorMessage msg;
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ASSERT(!msg.deserialize("7 errorId"));
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}
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{
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// invalid CWE ID
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const char str[] = "7 errorId"
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"5 error"
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"7 invalid"
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"1 0"
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"8 test.cpp"
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"17 Programming error"
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"17 Programming error"
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"0 ";
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ErrorMessage msg;
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ASSERT_THROW(msg.deserialize(str), InternalError);
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}
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{
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// invalid hash
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const char str[] = "7 errorId"
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"5 error"
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"1 0"
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"7 invalid"
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"8 test.cpp"
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"17 Programming error"
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"17 Programming error"
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"0 ";
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ErrorMessage msg;
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ASSERT_THROW(msg.deserialize(str), InternalError);
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}
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}
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void SerializeSanitize() const {
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std::list<ErrorMessage::FileLocation> locs;
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ErrorMessage msg(locs, emptyString, Severity::error, std::string("Illegal character in \"foo\001bar\""), "errorId", Certainty::normal);
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msg.file0 = "1.c";
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ASSERT_EQUALS("7 errorId"
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"5 error"
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"1 0"
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"1 0"
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"3 1.c"
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"33 Illegal character in \"foo\\001bar\""
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"33 Illegal character in \"foo\\001bar\""
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"0 ", msg.serialize());
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ErrorMessage msg2;
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ASSERT(msg2.deserialize(msg.serialize()));
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ASSERT_EQUALS("errorId", msg2.id);
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ASSERT_EQUALS(Severity::error, msg2.severity);
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ASSERT_EQUALS("1.c", msg2.file0);
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ASSERT_EQUALS("Illegal character in \"foo\\001bar\"", msg2.shortMessage());
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ASSERT_EQUALS("Illegal character in \"foo\\001bar\"", msg2.verboseMessage());
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}
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void SerializeFileLocation() const {
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ErrorMessage::FileLocation loc1(":/,;", 654, 33);
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loc1.setfile("[]:;,()");
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loc1.setinfo("abcd:/,");
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std::list<ErrorMessage::FileLocation> locs{loc1};
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ErrorMessage msg(locs, emptyString, Severity::error, "Programming error", "errorId", Certainty::inconclusive);
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ErrorMessage msg2;
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ASSERT(msg2.deserialize(msg.serialize()));
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ASSERT_EQUALS("[]:;,()", msg2.callStack.front().getfile(false));
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ASSERT_EQUALS(":/,;", msg2.callStack.front().getOrigFile(false));
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ASSERT_EQUALS(654, msg2.callStack.front().line);
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ASSERT_EQUALS(33, msg2.callStack.front().column);
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ASSERT_EQUALS("abcd:/,", msg2.callStack.front().getinfo());
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}
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void suppressUnmatchedSuppressions() {
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std::list<Suppressions::Suppression> suppressions;
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// No unmatched suppression
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errout.str("");
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suppressions.clear();
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reportUnmatchedSuppressions(suppressions);
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ASSERT_EQUALS("", errout.str());
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// suppress all unmatchedSuppression
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errout.str("");
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suppressions.clear();
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suppressions.emplace_back("abc", "a.c", 10U);
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suppressions.emplace_back("unmatchedSuppression", "*", Suppressions::Suppression::NO_LINE);
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reportUnmatchedSuppressions(suppressions);
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ASSERT_EQUALS("", errout.str());
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// suppress all unmatchedSuppression (corresponds to "--suppress=unmatchedSuppression")
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errout.str("");
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suppressions.clear();
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suppressions.emplace_back("abc", "a.c", 10U);
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suppressions.emplace_back("unmatchedSuppression", "", Suppressions::Suppression::NO_LINE);
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reportUnmatchedSuppressions(suppressions);
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ASSERT_EQUALS("", errout.str());
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// suppress all unmatchedSuppression in a.c
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errout.str("");
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suppressions.clear();
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suppressions.emplace_back("abc", "a.c", 10U);
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suppressions.emplace_back("unmatchedSuppression", "a.c", Suppressions::Suppression::NO_LINE);
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reportUnmatchedSuppressions(suppressions);
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ASSERT_EQUALS("", errout.str());
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|
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|
// suppress unmatchedSuppression in a.c at line 10
|
|
errout.str("");
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|
suppressions.clear();
|
|
suppressions.emplace_back("abc", "a.c", 10U);
|
|
suppressions.emplace_back("unmatchedSuppression", "a.c", 10U);
|
|
reportUnmatchedSuppressions(suppressions);
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// don't suppress unmatchedSuppression when file is mismatching
|
|
errout.str("");
|
|
suppressions.clear();
|
|
suppressions.emplace_back("abc", "a.c", 10U);
|
|
suppressions.emplace_back("unmatchedSuppression", "b.c", Suppressions::Suppression::NO_LINE);
|
|
reportUnmatchedSuppressions(suppressions);
|
|
ASSERT_EQUALS("[a.c:10]: (information) Unmatched suppression: abc\n", errout.str());
|
|
|
|
// don't suppress unmatchedSuppression when line is mismatching
|
|
errout.str("");
|
|
suppressions.clear();
|
|
suppressions.emplace_back("abc", "a.c", 10U);
|
|
suppressions.emplace_back("unmatchedSuppression", "a.c", 1U);
|
|
reportUnmatchedSuppressions(suppressions);
|
|
ASSERT_EQUALS("[a.c:10]: (information) Unmatched suppression: abc\n", errout.str());
|
|
}
|
|
};
|
|
|
|
REGISTER_TEST(TestErrorLogger)
|