cached_value_tests.cpp

Go to the documentation of this file.

#include <cstdlib>
#include <iostream>
#include <string>

#include "cached_value.h"

using namespace std;

namespace {


bool check_throw(cached_value<bool> const & boolval)
{
    bool foo;
    try {
        foo = boolval.get();
        foo = false;
    } catch (op_fatal_error const & e) {
        foo = true;
    }
    return foo;
}


int check_cached(void)
{
    cached_value<bool> boolval;
    cached_value<string> strval;

    if (!check_throw(boolval)) {
        cerr << "get() on no value didn't throw\n";
        return EXIT_FAILURE;
    }

    if (boolval.reset(false) != false || boolval.get() != false) {
        cerr << "reset() of cached value \"false\" didn't work\n";
        return EXIT_FAILURE;
    }

    if (boolval.reset(true) != true || boolval.get() != true) {
        cerr << "reset() of cached value \"true\" didn't work\n";
        return EXIT_FAILURE;
    }

    if (strval.reset("foo") != "foo" || strval.get() != "foo") {
        cerr << "reset() of cached value \"foo\" didn't work\n";
        return EXIT_FAILURE;
    }

    if (strval.reset("") != "" || strval.get() != "") {
        cerr << "reset() of cached value \"\" didn't work\n";
        return EXIT_FAILURE;
    }

    return EXIT_SUCCESS;
}

};

int main()
{
    try {
        check_cached();
    }
    catch (...) {
        cerr << "unknown exception\n";
        return EXIT_FAILURE;
    }

    return EXIT_SUCCESS;
}