Basic unit tests for casting to **. Storing of (double) pointer types is probably not something we will make an effort to support 100%.

Also, tests of all types that are supported.
This commit is contained in:
Jason Turner
2010-10-11 03:45:45 +00:00
parent caa67e811c
commit 0caa782437

View File

@@ -105,6 +105,185 @@ bool do_test(const Boxed_Value &bv, bool T, bool ConstT, bool TRef, bool ConstTR
return passed;
}
/** Tests intended for built int types **/
template<typename T>
bool built_in_type_test(const T &initial, bool ispod)
{
bool passed = true;
/** value tests **/
T i = T(initial);
passed &= do_test<T>(var(i), true, true, true, true, true,
true, true, true, true, true,
true, true, true, true, true,
true, true, true, true, true,
ispod && true, ispod && true, ispod && true, true, true);
passed &= do_test<T>(const_var(i), true, true, false, true, false,
true, false, true, false, true,
false, true, false, true, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
passed &= do_test<T>(var(&i), true, true, true, true, true,
true, true, true, false, false,
false, false, false, false, true,
true, true, true, true, true,
ispod && true, ispod && true, ispod && true, true, true);
passed &= do_test<T>(const_var(&i), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, ispod && false, true);
passed &= do_test<T>(var(boost::ref(i)), true, true, true, true, true,
true, true, true, false, false,
false, false, false, false, true,
true, true, true, true, true,
ispod && true, ispod && true, ispod && true, true, true);
passed &= do_test<T>(var(boost::cref(i)), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
/** Const Reference Variable tests */
// This reference will be copied on input, which is expected
const T &ir = i;
passed &= do_test<T>(var(i), true, true, true, true, true,
true, true, true, true, true,
true, true, true, true, true,
true, true, true, true, true,
ispod && true, ispod && true, ispod && true, true, true);
// But a pointer or reference to it should be necessarily const
passed &= do_test<T>(var(&ir), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
passed &= do_test<T>(var(boost::ref(ir)), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
// Make sure const of const works too
passed &= do_test<T>(const_var(&ir), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
passed &= do_test<T>(const_var(boost::ref(ir)), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
/** Const Reference Variable tests */
// This will always be seen as a const
const T*cip = &i;
passed &= do_test<T>(var(cip), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
// make sure const of const works
passed &= do_test<T>(const_var(cip), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
/** shared_ptr tests **/
boost::shared_ptr<T> ip(new T(initial));
passed &= do_test<T>(var(ip), true, true, true, true, true,
true, true, true, true, true,
true, true, true, true, true,
true, true, true, true, true,
ispod && true, ispod && true, ispod && true, true, true);
passed &= do_test<T>(const_var(ip), true, true, false, true, false,
true, false, true, false, true,
false, true, false, true, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
/** const shared_ptr tests **/
boost::shared_ptr<const T> ipc(new T(initial));
passed &= do_test<T>(var(ipc), true, true, false, true, false,
true, false, true, false, true,
false, true, false, true, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
// const of this should be the same, making sure it compiles
passed &= do_test<T>(const_var(ipc), true, true, false, true, false,
true, false, true, false, true,
false, true, false, true, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
/** Double ptr tests **/
/*
T **doublep;
passed &= do_test<T*>(var(doublep), true, true, false, true, false,
true, false, true, false, true,
false, true, false, true, false,
true, false, true, false, true,
ispod && true, ispod && true, ispod && true, false, true);
*/
return passed;
}
template<typename T>
bool pointer_test(const T& default_value, const T& new_value)
{
T *p = new T(default_value);
// we store a pointer to a pointer, so we can get a pointer to a pointer
try {
T **result = boxed_cast<T **>(var(&p));
*(*result) = new_value;
if (p != (*result) ) {
std::cerr << "Pointer passed in different than one returned" << std::endl;
return false;
}
if (*p != *(*result) ) {
std::cerr << "Somehow dereferenced pointer values are not the same?" << std::endl;
return false;
}
return true;
} catch (const bad_boxed_cast &) {
std::cerr << "Bad boxed cast performing ** to ** test" << std::endl;
return false;
} catch (...) {
std::cerr << "Unknown exception performing ** to ** test" << std::endl;
return false;
}
}
int main()
@@ -119,42 +298,14 @@ int main()
bool PODValue, bool ConstPODValue, bool ConstPODValueRef
*/
int i = 5;
passed &= do_test<int>(var(i), true, true, true, true, true,
true, true, true, true, true,
true, true, true, true, true,
true, true, true, true, true,
true, true, true, true, true);
passed &= do_test<int>(const_var(i), true, true, false, true, false,
true, false, true, false, true,
false, true, false, true, false,
true, false, true, false, true,
true, true, true, false, true);
passed &= do_test<int>(var(&i), true, true, true, true, true,
true, true, true, false, false,
false, false, false, false, true,
true, true, true, true, true,
true, true, true, true, true);
passed &= do_test<int>(const_var(&i), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
true, true, true, false, true);
passed &= do_test<int>(var(boost::ref(i)), true, true, true, true, true,
true, true, true, false, false,
false, false, false, false, true,
true, true, true, true, true,
true, true, true, true, true);
passed &= do_test<int>(var(boost::cref(i)), true, true, false, true, false,
true, false, true, false, false,
false, false, false, false, false,
true, false, true, false, true,
true, true, true, false, true);
passed &= built_in_type_test<int>(5, true);
passed &= built_in_type_test<double>(1.1, true);
passed &= built_in_type_test<char>('a', true);
passed &= built_in_type_test<bool>(false, true);
passed &= built_in_type_test<std::string>("Hello World", false);
// storing a pointer
passed &= pointer_test<int>(1, 0);
if (passed)
{