/* * Cppcheck - A tool for static C/C++ code analysis * Copyright (C) 2007-2016 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 . */ #include "library.h" #include "settings.h" #include "token.h" #include "tokenlist.h" #include "tokenize.h" #include "testsuite.h" #include class TestLibrary : public TestFixture { public: TestLibrary() : TestFixture("TestLibrary") { } private: void run() { TEST_CASE(empty); TEST_CASE(function); TEST_CASE(function_match_scope); TEST_CASE(function_match_args); TEST_CASE(function_match_args_default); TEST_CASE(function_match_var); TEST_CASE(function_arg); TEST_CASE(function_arg_any); TEST_CASE(function_arg_valid); TEST_CASE(function_arg_minsize); TEST_CASE(function_namespace); TEST_CASE(function_method); TEST_CASE(function_baseClassMethod); // calling method in base class TEST_CASE(function_warn); TEST_CASE(memory); TEST_CASE(memory2); // define extra "free" allocation functions TEST_CASE(memory3); TEST_CASE(resource); TEST_CASE(podtype); TEST_CASE(container); TEST_CASE(version); } Library::Error readLibrary(Library& library, const char* xmldata) const { tinyxml2::XMLDocument doc; doc.Parse(xmldata); return library.load(doc); } void empty() const { const char xmldata[] = "\n"; Library library; readLibrary(library, xmldata); ASSERT(library.functions.empty()); } void function() const { const char xmldata[] = "\n" "\n" " \n" " false\n" " \n" ""; TokenList tokenList(nullptr); std::istringstream istr("foo();"); tokenList.createTokens(istr); tokenList.front()->next()->astOperand1(tokenList.front()); Library library; readLibrary(library, xmldata); ASSERT_EQUALS(library.functions.size(), 1U); ASSERT(library.functions.at("foo").argumentChecks.empty()); ASSERT(library.isnotnoreturn(tokenList.front())); } void function_match_scope() const { const char xmldata[] = "\n" "\n" " \n" " " " \n" ""; Library library; readLibrary(library, xmldata); { TokenList tokenList(nullptr); std::istringstream istr("fred.foo(123);"); // <- wrong scope, not library function tokenList.createTokens(istr); ASSERT(library.isNotLibraryFunction(tokenList.front()->tokAt(2))); } { TokenList tokenList(nullptr); std::istringstream istr("Fred::foo(123);"); // <- wrong scope, not library function tokenList.createTokens(istr); ASSERT(library.isNotLibraryFunction(tokenList.front()->tokAt(2))); } } void function_match_args() const { const char xmldata[] = "\n" "\n" " \n" " " " \n" ""; TokenList tokenList(nullptr); std::istringstream istr("foo();"); // <- too few arguments, not library function tokenList.createTokens(istr); Token::createMutualLinks(tokenList.front()->next(), tokenList.back()->previous()); tokenList.createAst(); Library library; readLibrary(library, xmldata); ASSERT(library.isNotLibraryFunction(tokenList.front())); } void function_match_args_default() const { const char xmldata[] = "\n" "\n" " \n" " " " " " \n" ""; Library library; readLibrary(library, xmldata); { TokenList tokenList(nullptr); std::istringstream istr("foo();"); // <- too few arguments, not library function tokenList.createTokens(istr); Token::createMutualLinks(tokenList.front()->next(), tokenList.back()->previous()); tokenList.createAst(); ASSERT(library.isNotLibraryFunction(tokenList.front())); } { TokenList tokenList(nullptr); std::istringstream istr("foo(a);"); // <- library function tokenList.createTokens(istr); Token::createMutualLinks(tokenList.front()->next(), tokenList.back()->previous()); tokenList.createAst(); ASSERT(!library.isNotLibraryFunction(tokenList.front())); } { TokenList tokenList(nullptr); std::istringstream istr("foo(a, b);"); // <- library function tokenList.createTokens(istr); Token::createMutualLinks(tokenList.front()->next(), tokenList.back()->previous()); tokenList.createAst(); ASSERT(!library.isNotLibraryFunction(tokenList.front())); } { TokenList tokenList(nullptr); std::istringstream istr("foo(a, b, c);"); // <- too much arguments, not library function tokenList.createTokens(istr); Token::createMutualLinks(tokenList.front()->next(), tokenList.back()->previous()); tokenList.createAst(); ASSERT(library.isNotLibraryFunction(tokenList.front())); } } void function_match_var() const { const char xmldata[] = "\n" "\n" " \n" " " " \n" ""; TokenList tokenList(nullptr); std::istringstream istr("Fred foo(123);"); // <- Variable declaration, not library function tokenList.createTokens(istr); tokenList.front()->next()->astOperand1(tokenList.front()); tokenList.front()->next()->varId(1); Library library; readLibrary(library, xmldata); ASSERT(library.isNotLibraryFunction(tokenList.front()->next())); } void function_arg() const { const char xmldata[] = "\n" "\n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" ""; Library library; readLibrary(library, xmldata); ASSERT_EQUALS(true, library.functions["foo"].argumentChecks[1].notuninit); ASSERT_EQUALS(true, library.functions["foo"].argumentChecks[2].notnull); ASSERT_EQUALS(true, library.functions["foo"].argumentChecks[3].formatstr); ASSERT_EQUALS(true, library.functions["foo"].argumentChecks[4].strz); ASSERT_EQUALS(false, library.functions["foo"].argumentChecks[4].optional); ASSERT_EQUALS(true, library.functions["foo"].argumentChecks[5].notbool); ASSERT_EQUALS(true, library.functions["foo"].argumentChecks[5].optional); } void function_arg_any() const { const char xmldata[] = "\n" "\n" "\n" " \n" "\n" ""; Library library; readLibrary(library, xmldata); ASSERT_EQUALS(true, library.functions["foo"].argumentChecks[-1].notuninit); } void function_arg_valid() const { const char xmldata[] = "\n" "\n" " \n" " 1:\n" " -7:0\n" " 1:5,8\n" " -1,5\n" " :1,5\n" " \n" ""; Library library; readLibrary(library, xmldata); TokenList tokenList(nullptr); std::istringstream istr("foo(a,b,c,d,e);"); tokenList.createTokens(istr); tokenList.front()->next()->astOperand1(tokenList.front()); // 1- ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 1, -10)); ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 1, 0)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 1, 1)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 1, 10)); // -7-0 ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 2, -10)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 2, -7)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 2, -3)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 2, 0)); ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 2, 1)); // 1-5,8 ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 3, 0)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 3, 1)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 3, 3)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 3, 5)); ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 3, 6)); ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 3, 7)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 3, 8)); ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 3, 9)); // -1,5 ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 4, -10)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 4, -1)); // :1,5 ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 5, -10)); ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 5, 1)); ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 5, 2)); } void function_arg_minsize() const { const char xmldata[] = "\n" "\n" " \n" " \n" " \n" " \n" " \n" ""; Library library; readLibrary(library, xmldata); TokenList tokenList(nullptr); std::istringstream istr("foo(a,b,c);"); tokenList.createTokens(istr); tokenList.front()->next()->astOperand1(tokenList.front()); // arg1: type=strlen arg2 const std::list *minsizes = library.argminsizes(tokenList.front(),1); ASSERT_EQUALS(true, minsizes != nullptr); ASSERT_EQUALS(1U, minsizes ? minsizes->size() : 1U); if (minsizes && minsizes->size() == 1U) { const Library::ArgumentChecks::MinSize &m = minsizes->front(); ASSERT_EQUALS(Library::ArgumentChecks::MinSize::STRLEN, m.type); ASSERT_EQUALS(2, m.arg); } // arg2: type=argvalue arg3 minsizes = library.argminsizes(tokenList.front(), 2); ASSERT_EQUALS(true, minsizes != nullptr); ASSERT_EQUALS(1U, minsizes ? minsizes->size() : 1U); if (minsizes && minsizes->size() == 1U) { const Library::ArgumentChecks::MinSize &m = minsizes->front(); ASSERT_EQUALS(Library::ArgumentChecks::MinSize::ARGVALUE, m.type); ASSERT_EQUALS(3, m.arg); } } void function_namespace() const { const char xmldata[] = "\n" "\n" " \n" " false\n" " \n" ""; Library library; readLibrary(library, xmldata); ASSERT_EQUALS(library.functions.size(), 2U); ASSERT(library.functions.at("Foo::foo").argumentChecks.empty()); ASSERT(library.functions.at("bar").argumentChecks.empty()); { TokenList tokenList(nullptr); std::istringstream istr("Foo::foo();"); tokenList.createTokens(istr); ASSERT(library.isnotnoreturn(tokenList.front()->tokAt(2))); } { TokenList tokenList(nullptr); std::istringstream istr("bar();"); tokenList.createTokens(istr); ASSERT(library.isnotnoreturn(tokenList.front())); } } void function_method() const { const char xmldata[] = "\n" "\n" " \n" " false\n" " \n" ""; Library library; readLibrary(library, xmldata); ASSERT_EQUALS(library.functions.size(), 1U); { Settings settings; Tokenizer tokenizer(&settings, nullptr); std::istringstream istr("CString str; str.Format();"); tokenizer.tokenize(istr, "test.cpp"); ASSERT(library.isnotnoreturn(Token::findsimplematch(tokenizer.tokens(), "Format"))); } { Settings settings; Tokenizer tokenizer(&settings, nullptr); std::istringstream istr("HardDrive hd; hd.Format();"); tokenizer.tokenize(istr, "test.cpp"); ASSERT(!library.isnotnoreturn(Token::findsimplematch(tokenizer.tokens(), "Format"))); } } void function_baseClassMethod() const { const char xmldata[] = "\n" "\n" " \n" " \n" " \n" ""; Library library; readLibrary(library, xmldata); { Settings settings; Tokenizer tokenizer(&settings, nullptr); std::istringstream istr("struct X : public Base { void dostuff() { f(0); } };"); tokenizer.tokenize(istr, "test.cpp"); ASSERT(library.isnullargbad(Token::findsimplematch(tokenizer.tokens(), "f"),1)); } { Settings settings; Tokenizer tokenizer(&settings, nullptr); std::istringstream istr("struct X : public Base { void dostuff() { f(1,2); } };"); tokenizer.tokenize(istr, "test.cpp"); ASSERT(!library.isnullargbad(Token::findsimplematch(tokenizer.tokens(), "f"),1)); } } void function_warn() const { const char xmldata[] = "\n" "\n" " \n" " Message\n" " \n" " \n" " \n" " \n" ""; Library library; readLibrary(library, xmldata); TokenList tokenList(nullptr); std::istringstream istr("a(); b();"); tokenList.createTokens(istr); const Library::WarnInfo* a = library.getWarnInfo(tokenList.front()); const Library::WarnInfo* b = library.getWarnInfo(tokenList.front()->tokAt(4)); ASSERT_EQUALS(2, library.functionwarn.size()); ASSERT(a && b); if (a && b) { ASSERT_EQUALS("Message", a->message); ASSERT_EQUALS(Severity::style, a->severity); ASSERT_EQUALS(Standards::C99, a->standards.c); ASSERT_EQUALS(Standards::CPP03, a->standards.cpp); ASSERT_EQUALS("Obsolescent function 'b' called. It is recommended to use 'c', 'd' or 'e' instead.", b->message); ASSERT_EQUALS(Severity::performance, b->severity); ASSERT_EQUALS(Standards::C89, b->standards.c); ASSERT_EQUALS(Standards::CPP11, b->standards.cpp); } } void memory() const { const char xmldata[] = "\n" "\n" " \n" " CreateX\n" " DeleteX\n" " \n" ""; Library library; readLibrary(library, xmldata); ASSERT(library.functions.empty()); ASSERT(Library::ismemory(library.alloc("CreateX"))); ASSERT_EQUALS(library.allocId("CreateX"), library.deallocId("DeleteX")); const Library::AllocFunc* af = library.alloc("CreateX"); ASSERT(af && af->arg == -1); const Library::AllocFunc* df = library.dealloc("DeleteX"); ASSERT(df && df->arg == 1); } void memory2() const { const char xmldata1[] = "\n" "\n" " \n" " malloc\n" " free\n" " \n" ""; const char xmldata2[] = "\n" "\n" " \n" " foo\n" " free\n" " \n" ""; Library library; library.loadxmldata(xmldata1, sizeof(xmldata1)); library.loadxmldata(xmldata2, sizeof(xmldata2)); ASSERT_EQUALS(library.deallocId("free"), library.allocId("malloc")); ASSERT_EQUALS(library.deallocId("free"), library.allocId("foo")); } void memory3() const { const char xmldata[] = "\n" "\n" " \n" " CreateX\n" " DeleteX\n" " \n" ""; Library library; readLibrary(library, xmldata); ASSERT(library.functions.empty()); const Library::AllocFunc* af = library.alloc("CreateX"); ASSERT(af && af->arg == 5); const Library::AllocFunc* df = library.dealloc("DeleteX"); ASSERT(df && df->arg == 2); ASSERT(library.returnuninitdata.find("CreateX") != library.returnuninitdata.cend()); } void resource() const { const char xmldata[] = "\n" "\n" " \n" " CreateX\n" " DeleteX\n" " \n" ""; Library library; readLibrary(library, xmldata); ASSERT(library.functions.empty()); ASSERT(Library::isresource(library.allocId("CreateX"))); ASSERT_EQUALS(library.allocId("CreateX"), library.deallocId("DeleteX")); } void podtype() const { const char xmldata[] = "\n" "\n" " \n" ""; Library library; readLibrary(library, xmldata); const struct Library::PodType *type = library.podtype("s16"); ASSERT_EQUALS(2U, type ? type->size : 0U); ASSERT_EQUALS((char)0, type ? type->sign : '?'); } void container() const { const char xmldata[] = "\n" "\n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" // Inherits all but templateParameter " \n" " \n" " \n" " \n" " \n" ""; Library library; readLibrary(library, xmldata); Library::Container& A = library.containers["A"]; Library::Container& B = library.containers["B"]; Library::Container& C = library.containers["C"]; ASSERT_EQUALS(A.type_templateArgNo, 1); ASSERT_EQUALS(A.size_templateArgNo, 4); ASSERT_EQUALS(A.startPattern, "std :: A <"); ASSERT_EQUALS(A.endPattern, "> !!::"); ASSERT_EQUALS(A.itEndPattern, "> :: iterator"); ASSERT_EQUALS(A.stdStringLike, false); ASSERT_EQUALS(A.arrayLike_indexOp, false); ASSERT_EQUALS(A.opLessAllowed, true); ASSERT_EQUALS(Library::Container::SIZE, A.getYield("size")); ASSERT_EQUALS(Library::Container::EMPTY, A.getYield("empty")); ASSERT_EQUALS(Library::Container::AT_INDEX, A.getYield("at")); ASSERT_EQUALS(Library::Container::START_ITERATOR, A.getYield("begin")); ASSERT_EQUALS(Library::Container::END_ITERATOR, A.getYield("end")); ASSERT_EQUALS(Library::Container::BUFFER, A.getYield("data")); ASSERT_EQUALS(Library::Container::BUFFER_NT, A.getYield("c_str")); ASSERT_EQUALS(Library::Container::ITEM, A.getYield("front")); ASSERT_EQUALS(Library::Container::NO_YIELD, A.getYield("foo")); ASSERT_EQUALS(Library::Container::RESIZE, A.getAction("resize")); ASSERT_EQUALS(Library::Container::CLEAR, A.getAction("clear")); ASSERT_EQUALS(Library::Container::PUSH, A.getAction("push_back")); ASSERT_EQUALS(Library::Container::POP, A.getAction("pop_back")); ASSERT_EQUALS(Library::Container::FIND, A.getAction("find")); ASSERT_EQUALS(Library::Container::NO_ACTION, A.getAction("foo")); ASSERT_EQUALS(B.type_templateArgNo, 1); ASSERT_EQUALS(B.size_templateArgNo, 3); ASSERT_EQUALS(B.startPattern, "std :: B <"); ASSERT_EQUALS(B.endPattern, "> !!::"); ASSERT_EQUALS(B.itEndPattern, "> :: iterator"); ASSERT_EQUALS(B.functions.size(), A.functions.size()); ASSERT_EQUALS(B.opLessAllowed, false); ASSERT(C.functions.empty()); ASSERT_EQUALS(C.type_templateArgNo, -1); ASSERT_EQUALS(C.size_templateArgNo, -1); ASSERT_EQUALS(C.stdStringLike, true); ASSERT_EQUALS(C.arrayLike_indexOp, true); } void version() const { { const char xmldata [] = "\n" "\n" ""; Library library; Library::Error err = readLibrary(library, xmldata); ASSERT_EQUALS(err.errorcode, Library::OK); } { const char xmldata [] = "\n" "\n" ""; Library library; Library::Error err = readLibrary(library, xmldata); ASSERT_EQUALS(err.errorcode, Library::OK); } { const char xmldata [] = "\n" "\n" ""; Library library; Library::Error err = readLibrary(library, xmldata); ASSERT_EQUALS(err.errorcode, Library::UNSUPPORTED_FORMAT); } } }; REGISTER_TEST(TestLibrary)