#include "tokenize.h" #include "CommonCheck.h" #include "CheckOther.h" #include "testsuite.h" #include extern std::ostringstream errout; extern bool ShowAll; class TestCharVar : public TestFixture { public: TestCharVar() : TestFixture("TestCharVar") { } private: void run() { TEST_CASE( array_index ); TEST_CASE( bitop ); } void check( const char code[] ) { // Tokenize.. tokens = tokens_back = NULL; std::istringstream istr(code); TokenizeCode( istr ); // Fill function list FillFunctionList(0); // Clear the error buffer.. errout.str(""); // Check for memory leaks.. ShowAll = true; CheckCharVariable(); } void array_index() { check( "void foo()\n" "{\n" " unsigned char ch = 0x80;\n" " buf[ch] = 0;\n" "}\n" ); ASSERT_EQUALS( std::string(""), errout.str() ); check( "void foo()\n" "{\n" " char ch = 0x80;\n" " buf[ch] = 0;\n" "}\n" ); ASSERT_EQUALS( std::string("[test.cpp:4]: Warning - using char variable as array index\n"), errout.str() ); check( "void foo(char ch)\n" "{\n" " buf[ch] = 0;\n" "}\n" ); ASSERT_EQUALS( std::string("[test.cpp:3]: Warning - using char variable as array index\n"), errout.str() ); } void bitop() { check( "void foo()\n" "{\n" " char ch;\n" " result = a | ch;\n" "}\n" ); ASSERT_EQUALS( std::string("[test.cpp:4]: Warning - using char variable in bit operation\n"), errout.str() ); } }; REGISTER_TEST( TestCharVar )