125 lines
3.6 KiB
C++
125 lines
3.6 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 "check64bit.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 Test64BitPortability : public TestFixture
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{
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public:
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Test64BitPortability() : TestFixture("Test64BitPortability")
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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(novardecl);
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TEST_CASE(functionpar);
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TEST_CASE(structmember);
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TEST_CASE(ptrcompare);
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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("portability");
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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.setVarId();
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// Check char variable usage..
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Check64BitPortability check64BitPortability(&tokenizer, &settings, this);
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check64BitPortability.pointerassignment();
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}
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void novardecl()
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{
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// if the variable declarations can't be seen then skip the warning
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check("void foo()\n"
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"{\n"
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" a = p;\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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}
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void functionpar()
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{
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check("int foo(int *p)\n"
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"{\n"
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" int a = p;\n"
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" return a + 4;\n"
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"}\n");
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ASSERT_EQUALS("[test.cpp:3]: (portability) Assigning an address value to the integer (int/long/etc) type is not portable\n", errout.str());
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check("int foo(int p[])\n"
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"{\n"
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" int a = p;\n"
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" return a + 4;\n"
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"}\n");
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ASSERT_EQUALS("[test.cpp:3]: (portability) Assigning an address value to the integer (int/long/etc) type is not portable\n", errout.str());
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check("int foo(int p[])\n"
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"{\n"
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" int *a = p;\n"
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" return a;\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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check("void foo(int x)\n"
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"{\n"
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" int *p = x;\n"
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" *p = 0;\n"
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"}\n");
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ASSERT_EQUALS("[test.cpp:3]: (portability) Assigning an integer (int/long/etc) to a pointer is not portable\n", errout.str());
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}
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void structmember()
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{
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check("struct Foo { int *p };\n"
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"void f(struct Foo *foo) {\n"
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" int i = foo->p;\n"
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"}\n");
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TODO_ASSERT_EQUALS("[test.cpp:3]: (portability) Assigning an address value to the integer (int/long/etc) type is not portable\n", "", errout.str());
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}
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void ptrcompare()
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{
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// Ticket #2892
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check("void foo(int *p) {\n"
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" int a = (p != NULL);\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(Test64BitPortability)
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