autosar-pdf-examples/A13-5-1.cpp at main · cppchecksolutions/autosar-pdf-examples · GitHub

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// Rule: A13-5-1
// Source line: 20073
// Original file: A13-5-1.cpp

// $Id: A13-5-1.cpp 289436 2017-10-04 10:45:23Z michal.szczepankiewicz $
#include <cstdint>
class Container1
{
public:
    std::int32_t& operator[](
        std::int32_t index) // Compliant - non-const version
    {
        return container[index];
    }
    std::int32_t operator[](
        std::int32_t index) const // Compliant - const version
    {
        return container[index];
    }


private:
    static constexpr std::int32_t maxSize = 10;
    std::int32_t container[maxSize];


};
void Fn() noexcept
{
    Container1 c1;
    std::int32_t e = c1[0]; // Non-const version called
    c1[0] = 20;
// Non-const version called
    Container1 const c2{};
    e = c2[0]; // Const version called
// c2[0] = 20; // Compilation error
}
class Container2 // Non-compliant - only non-const version of operator[]
// implemented
{
public:
    std::int32_t& operator[](std::int32_t index) {
        return container[index];
    }


private:
    static constexpr std::int32_t maxSize = 10;
    std::int32_t container[maxSize];


};