cppcheck/test/testincompletestatement.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam,
* Leandro Penz, Kimmo Varis
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*
* 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/
*/
// Check for unused variables..
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#include "testsuite.h"
#include "../src/tokenize.h"
#include "../src/checkother.h"
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#include <sstream>
extern std::ostringstream errout;
class TestIncompleteStatement : public TestFixture
{
public:
TestIncompleteStatement() : TestFixture("TestIncompleteStatement")
{ }
private:
void check(const char code[])
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{
// Tokenize..
Tokenizer tokenizer;
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
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tokenizer.simplifyTokenList();
// Clear the error buffer..
errout.str("");
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Settings settings;
settings._showAll = true;
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// Check for unused variables..
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CheckOther checkOther(&tokenizer, settings, this);
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checkOther.CheckIncompleteStatement();
}
void run()
{
TEST_CASE(test1);
TEST_CASE(test2);
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TEST_CASE(test3);
TEST_CASE(test4);
TEST_CASE(test5);
TEST_CASE(test_numeric);
TEST_CASE(intarray);
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}
void test1()
{
check("void foo()\n"
"{\n"
" const char def[] =\n"
"#ifdef ABC\n"
" \"abc\";\n"
"#else\n"
" \"not abc\";\n"
"#endif\n"
"}\n");
ASSERT_EQUALS(std::string(""), errout.str());
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}
void test2()
{
check("void foo()\n"
"{\n"
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" \"abc\";\n"
"}\n");
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ASSERT_EQUALS(std::string("[test.cpp:3]: (style) Redundant code: Found a statement that begins with string constant\n"), errout.str());
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}
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void test3()
{
check("void foo()\n"
"{\n"
" const char *str[] = { \"abc\" };\n"
"}\n");
ASSERT_EQUALS(std::string(""), errout.str());
}
void test4()
{
check("void foo()\n"
"{\n"
"const char *a =\n"
"{\n"
"\"hello \"\n"
"\"more \"\n"
"\"world\"\n"
"};\n"
"}\n");
ASSERT_EQUALS(std::string(""), errout.str());
}
void test5()
{
check("void foo()\n"
"{\n"
" 50;\n"
"}\n");
ASSERT_EQUALS(std::string("[test.cpp:3]: (style) Redundant code: Found a statement that begins with numeric constant\n"), errout.str());
}
void test_numeric()
{
check("struct P\n"
"{\n"
"double a;\n"
"double b;\n"
"};\n"
"void f()\n"
"{\n"
"const P values[2] =\n"
"{\n"
"{ 346.1,114.1 }, { 347.1,111.1 }\n"
"};\n"
"}\n"
"};\n");
ASSERT_EQUALS(std::string(""), errout.str());
}
void intarray()
{
check("int arr[] = { 100/2, 1*100 };\n");
ASSERT_EQUALS(std::string(""), errout.str());
}
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};
REGISTER_TEST(TestIncompleteStatement)
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