cppcheck/test/testincompletestatement.cpp

177 lines
4.1 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2009 Daniel Marjamäki and 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 <http://www.gnu.org/licenses/>.
*/
// Check for unused variables..
#include "testsuite.h"
#include "tokenize.h"
#include "checkother.h"
#include <sstream>
extern std::ostringstream errout;
class TestIncompleteStatement : public TestFixture
{
public:
TestIncompleteStatement() : TestFixture("TestIncompleteStatement")
{ }
private:
void check(const char code[])
{
// Tokenize..
Tokenizer tokenizer;
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
// Clear the error buffer..
errout.str("");
Settings settings(Settings::testSettings());
// Check for unused variables..
CheckOther checkOther(&tokenizer, &settings, this);
checkOther.checkIncompleteStatement();
}
void run()
{
TEST_CASE(test1);
TEST_CASE(test2);
TEST_CASE(test3);
TEST_CASE(test4);
TEST_CASE(test5);
TEST_CASE(test_numeric);
TEST_CASE(intarray);
TEST_CASE(structarraynull);
TEST_CASE(structarray);
}
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("", errout.str());
}
void test2()
{
check("void foo()\n"
"{\n"
" \"abc\";\n"
"}\n");
ASSERT_EQUALS("[test.cpp:3]: (style) Redundant code: Found a statement that begins with string constant\n", errout.str());
}
void test3()
{
check("void foo()\n"
"{\n"
" const char *str[] = { \"abc\" };\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void test4()
{
check("void foo()\n"
"{\n"
"const char *a =\n"
"{\n"
"\"hello \"\n"
"\"more \"\n"
"\"world\"\n"
"};\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void test5()
{
check("void foo()\n"
"{\n"
" 50;\n"
"}\n");
ASSERT_EQUALS("[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");
ASSERT_EQUALS("", errout.str());
}
void intarray()
{
check("int arr[] = { 100/2, 1*100 };\n");
ASSERT_EQUALS("", errout.str());
}
void structarraynull()
{
check("struct st arr[] = {\n"
" { 100/2, 1*100 }\n"
" { 90, 70 }\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void structarray()
{
check("struct st arr[] = {\n"
" { 100/2, 1*100 }\n"
" { 90, 70 }\n"
"};\n");
ASSERT_EQUALS("", errout.str());
}
};
REGISTER_TEST(TestIncompleteStatement)