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A program to generate test cases for ticket (http://trac.cppcheck.net/ticket/6074)
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#include <iostream> | |
#include <string> | |
int main() | |
{ | |
const std::string operand[6] = { "a", "!(a)", "!(!a)", "~(a)", "~(!a)", "!(~a)" }; | |
const std::string op[2] = { "==" , "!=" }; | |
std::cout << "void f(bool a)\n" | |
"{\n"; | |
for(unsigned int l = 0; l < 6; ++l) | |
for(unsigned int m = 0; m < 2; ++m) | |
for(unsigned int k = 0; k < 6; ++k) | |
{ | |
std::cout << " if( "; | |
std::cout << operand[l] << " "; | |
std::cout << op[m] << " "; | |
std::cout << operand[k] << " "; | |
std::cout << ") {}\n"; | |
} | |
std::cout << "}\n"; | |
return 1; | |
} | |
/* Reveal false negatives of cppcheck (see ticket http://trac.cppcheck.net/ticket/6074) | |
$ g++ generateExpression.cpp && ./a.out > t.cpp && cppcheck --enable=all t.cpp | |
martin@ubuntu:~/projects_new/schnipsl$ cppcheck --enable=all t.cpp | |
Checking t.cpp... | |
[t.cpp:3] -> [t.cpp:3]: (style) Same expression on both sides of '=='. | |
[t.cpp:9] -> [t.cpp:9]: (style) Same expression on both sides of '!='. | |
[t.cpp:16] -> [t.cpp:16]: (style) Same expression on both sides of '=='. | |
[t.cpp:22] -> [t.cpp:22]: (style) Same expression on both sides of '!='. | |
[t.cpp:29] -> [t.cpp:29]: (style) Same expression on both sides of '=='. | |
[t.cpp:35] -> [t.cpp:35]: (style) Same expression on both sides of '!='. | |
[t.cpp:42] -> [t.cpp:42]: (style) Same expression on both sides of '=='. | |
[t.cpp:48] -> [t.cpp:48]: (style) Same expression on both sides of '!='. | |
[t.cpp:55] -> [t.cpp:55]: (style) Same expression on both sides of '=='. | |
[t.cpp:61] -> [t.cpp:61]: (style) Same expression on both sides of '!='. | |
[t.cpp:68] -> [t.cpp:68]: (style) Same expression on both sides of '=='. | |
[t.cpp:74] -> [t.cpp:74]: (style) Same expression on both sides of '!='. | |
Checking usage of global functions.. | |
[t.cpp:1]: (style) The function 'f' is never used. | |
*/ |
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