99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2011 Daniel Marjamäki and 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 "tokenize.h"
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#include "checknonreentrantfunctions.h"
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#include "testsuite.h"
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#include <sstream>
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extern std::ostringstream errout;
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class TestNonReentrantFunctions : public TestFixture
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{
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public:
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TestNonReentrantFunctions() : TestFixture("TestNonReentrantFunctions")
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{ }
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private:
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void run()
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{
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TEST_CASE(test_crypt);
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}
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void check(const char code[])
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{
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// Clear the error buffer..
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errout.str("");
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Settings settings;
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settings.addEnabled("posix");
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settings.inconclusive = true;
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settings.addEnabled("style");
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// Tokenize..
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Tokenizer tokenizer(&settings, this);
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.simplifyTokenList();
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// Assign variable ids
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tokenizer.setVarId();
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// Fill function list
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tokenizer.fillFunctionList();
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// Check for non reentrant functions..
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CheckNonReentrantFunctions checkNonReentrantFunctions(&tokenizer, &settings, this);
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checkNonReentrantFunctions.nonReentrantFunctions();
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}
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void test_crypt()
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{
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check("void f(char *pwd)\n"
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"{\n"
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" char *cpwd;"
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" crypt(pwd, cpwd);\n"
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"}\n");
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ASSERT_EQUALS("[test.cpp:3]: (portability) Found non reentrant function 'crypt'. For threadsafe applications it is recommended to use the reentrant replacement function 'crypt_r'\n", errout.str());
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check("void f()\n"
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"{\n"
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" char *pwd = getpass(\"Password:\");"
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" char *cpwd;"
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" crypt(pwd, cpwd);\n"
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"}\n");
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ASSERT_EQUALS("[test.cpp:3]: (portability) Found non reentrant function 'crypt'. For threadsafe applications it is recommended to use the reentrant replacement function 'crypt_r'\n", errout.str());
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check("int f()\n"
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"{\n"
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" int crypt = 0;"
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" return crypt;\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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}
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};
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REGISTER_TEST(TestNonReentrantFunctions)
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